A traffic condition which is not normal. A characterisation of the nature of abnormal traffic flow, i.e. specifically relating to the nature of the traffic movement. The number of vehicles waiting in a queue. The length of a queue or the average length of queues in separate lanes due to a situation. Assessement of the traffic flow conditions relative to normally expected conditions at this date/time. A characterisation of the trend in the traffic conditions at the specified location and direction. Collection of descriptive terms for abnormal traffic conditions specifically relating to the nature of the traffic movement. Traffic is queueing at the specified location, although there is still some traffic movement. Current traffic conditions are of a stop and go nature with queues forming and ending continuously on the specified section of road. Traffic is slow moving at the specified location. Traffic is stationary, or very near stationary, at the specified location. Accidents are events in which one or more vehicles lose control and do not recover. They include collisions between vehicle(s) or other road user(s), between vehicle(s) and any obstacle(s), or they result from a vehicle running off the road. A descriptor indicating the most significant factor causing an accident. A characterization of the nature of the accident. May be used as part of the core information during a broadcast of a situation containing an accident. Collection of the type of accident causes. Avoidance of obstacles on the roadway. Driver distraction. Driver under the influence of drugs. Driver illness. Loss of vehicle control due to excessive vehicle speed. Driver abilities reduced due to driving under the influence of alcohol. Alcohol levels above nationally accepted limit. Excessive tiredness of the driver. A driving manoeuvre which was not permitted. Limited or impared visibility. Not keeping a safe distance from the vehicle infront. Driving on the wrong side of the road. Pedestrian in the roadway. Not keeping to lane. Poor judgement when merging at an entry or exit point of a carriageway or junction. Poor road surface condition. Poor road surface adherence. Undisclosed cause. Unknown cause. Malfunction or failure of vehicle function. Other than as defined in this enumeration. Collection of descriptive terms for types of accidents. Accidents are situations in which one or more vehicles lose control and do not recover. They include collisions between vehicle(s) or other road user(s), between vehicle(s) and fixed obstacle(s), or they result from a vehicle running off the road. Authorised investigation work connected to an earlier reported accident that may disrupt traffic. Includes all accidents involving at least one bicycle. Includes all accidents involving at least one passenger vehicle. Includes all accidents involving at least one vehicle believed to be carrying materials, which could present an additional hazard to road users. Includes all accidents involving at least one heavy goods vehicle. Includes all accidents involving at least one moped. Includes all accidents involving at least one motorcycle. Includes all accidents involving collision with a train. Includes all situations resulting in a spillage of chemicals on the carriageway. Collision of vehicle with another object of unspecified type. Collision of vehicle with one or more animals. Collision of vehicle with an object of a stationary nature. Collision of vehicle with one or more pedestrians. An earlier reported accident that is causing disruption to traffic or is resulting in further accidents. Includes all situations resulting in a spillage of fuel on the carriageway. Collision of vehicle with another vehicle head on. Collision of vehicle with another vehicle either head on or sideways. Includes all situations resulting in a heavy goods vehicle folding together in an accidental skidding movement on the carriageway. Includes all situations resulting in a vehicle and caravan folding together in an accidental skidding movement on the carriageway. Includes all situations resulting in a vehicle and trailer folding together in an accidental skidding movement on the carriageway. Multiple vehicles involved in a collision. Includes all accidents involving three or more vehicles. Includes all situations resulting in a spillage of oil on the carriageway. Includes all situations resulting in the overturning of a heavy goods vehicle on the carriageway. Includes all situations resulting in the overturning of a trailer. Includes all situations resulting in the overturning of a vehicle (of unspecified type) on the carriageway. Includes all accidents where one or more vehicles have collided with the rear of one or more other vehicles. Includes all situations resulting from vehicles avoiding or being distracted by earlier accidents. Includes all accidents believed to involve fatality or injury expected to require overnight hospitalisation. Includes all accidents where one or more vehicles have collided with the side of one or more other vehicles. Includes all accidents where one or more vehicles have left the roadway. Includes all accidents where a vehicle has skidded and has come to rest not facing its intended line of travel. Other than as defined in this enumeration. Deliberate human actions external to the traffic stream or roadway which could disrupt traffic. Indicates the nature of the authority-initiated activity that will, is or has been taking place. Includes all situations of public disorder, with potential to disrupt traffic. Type of major display or trade show which could disrupt traffic. Information/advice that supplements the traffic/travel information contained in a situation publication. An area defined by reference to a predefined Alert C location table. EBU country code. Number allocated to an Alert C table in a country. Ref. prENV12313-3 for the allocation of a location table number. Version number associated to an ALERT C table reference. The direction of traffic flow along the road to which the information relates. The direction of traffic flow to which the situation, traffic data or information is related. Positive is in the direction of coding of the road. ALERT C name of a direction e.g. Brussels -> Lille. Indicates for circular routes the sense in which navigation should be made from the primary location to the secondary location, to avoid ambiguity. The value TRUE indicates the positive RDS direction which is the direction of coding of the road. The direction of traffic flow concerned by a situation or traffic data. In Alert C the positive (resp. negative) direction corresponds to the positive offset direction within the RDS location table. Indicates that both directions of traffic flow are affected by the situation or relate to the traffic data. The direction of traffic flow concerned by a situation or traffic data. In Alert C the negative direction corresponds to the negative offset direction within the RDS location table. The direction of traffic flow concerned by a situation or traffic data. In Alert C the positive direction corresponds to the positive offset direction within the RDS location table. Unknown direction. A linear section along a road defined between two points on the road by reference to a pre-defined Alert C location table. EBU country code. Number allocated to an ALERT C table in a country. Ref. prENV12313-3 for the allocation of a location table number. Version number associated to an ALERT C table reference. A linear section along a road defined by reference to a linear section in a pre-defined Alert C location table. Identification of a specific point, linear or area location in an Alert C location table. Name of Alert C location. Unique code within the an Alert C location table which identifes the specific point, linear or area location. A linear section along a road between two points, Primary and Secondary, which are pre-defined in an Alert C location table. Direction is FROM the Secondary point TO the Primary point, i.e. the Primary point is downstream of the Secondary point. A single point on the road network defined by reference to a point in a pre-defined Alert C location table and which has an associated direction of traffic flow. The point (called Primary point) which is either a single point or at the downstream end of a linear road section. The point is specified by a reference to a point in a pre-defined Alert C location table. The point (called Secondary point) which is at the upstream end of a linear road section. The point is specified by a reference to a point in a pre-defined Alert C location table. A linear section along a road between two points, Primary and Secondary, which are pre-defined Alert C locations plus offset distance. Direction is FROM the Secondary point TO the Primary point, i.e. the Primary point is downstream of the Secondary point. A single point on the road network defined by reference to a point in a pre-defined Alert C location table plus an offset distance and which has an associated direction of traffic flow. The point (called Primary point) which is either a single point or at the downstream end of a linear road section. The point is specified by a reference to a point in a pre-defined Alert C location table plus a non-negative offset distance. The point (called Secondary point) which is at the upstream end of a linear road section. The point is specified by a reference to a point in a pre-defined Alert C location table plus a non-negative offset distance. A single point on the road network defined by reference to a pre-defined Alert C location table and which has an associated direction of traffic flow. EBU country code. Number allocated to an ALERT C table in a country. Ref. prENV12313-3 for the allocation of a location table number. Version number associated to an ALERT C table reference. An obstruction on the road resulting from the presence of animals. Indicates whether the identified animals are dead (immobile) or alive (potentially mobile). Indicates the nature of animals present on or near the roadway. Types of animal presence. Traffic may be disrupted due to animals on the roadway. Traffic may be disrupted due to a herd of animals on the roadway. Traffic may be disrupted due to large animals on the roadway. A geographic or geometric defined area which may be qualified by height information to provide additional geospatial descrimination (e.g. for snow in an area but only above a certain altitude). The specification of the destination of a defined route or itinerary which is an area. Types of areas of interest. Area of the whole European continent. Whole area of the specific country. Area of countries which are neighbouring the one specified. Non specified area. Area of the local region. Details of the maintenance vehicles involved in the roadworks activity.#NOTES# The number of maintenance vehicles associated with the roadworks activities at the specified location. The actions of the maintenance vehicles associated with the roadworks activities. Enumerations alphabetically ordered between A and D. Types of authority operations. A permanent or temporary operation established on or adjacent to the carriageway for use by police or other authorities. A temporary operation established on or adjacent to the carriageway by the police associated with an ongoing investigation. A permanent or temporary operation established on or adjacent to the carriageway for the purpose of gathering statistics or other traffic related information. A permanent or temporary operation established on or adjacent to the carriageway for inspection of vehicles by authorities (e.g. vehicle saftey checks and tachograph checks). Other than as defined in this enumeration. The spacing details between the axle sets of an individual vehicle numbered from the front to the back of the vehicle. The spacing interval, indicated by the axleSpacingSequenceIdentifier, between the axles of an individual vehicle from front to back of the vehicle. Indicates the sequence of intervals between the axles of the individual vehicle from front to back (e.g. 1, 2, 3...). The weight details of a specific axle set of an individual vehicle. Indicates the sequence of the axle set of the individual vehicle numbered from front to back (e.g. 1, 2, 3...). The weight of the axle, indicated by the axleSequenceIdentifier, of an individual vehicle numbered from front to back of this vehicle. The maximum permitted weight of any individual axle on the vehicle. Generic data values of either measured or elaborated data. The extent to which the data value may be subject to error, measured as a percentage of the data value. Method of computation which has been used to compute this data value. Indication of whether the value is deemed to be faulty by the supplier, (true = faulty). If not present the data value is assumed to be ok. This may be used when automatic fault detection information relating to sensors is available. The reason why the value is deemed to be faulty by the supplier. The number of inputs detected but not completed during the sampling or measurement period; e.g. vehicles detected entering but not exiting the detection zone. The number of input values used in the sampling or measurment period to determine the data value. The time elapsed between the beginning and the end of the sampling or measurement period. This item may differ from the unit attribute; e.g. an hourly flow can be estimated from a 5-minute measurement period. Coefficient required, when a moving average is computed, to give specific weights to the former average and the new data value. A typical formula is, F being the smoothing factor: New average = (old average) F + (new data) (1 - F). The standard deviation of the sample of input values from which this value was derived, measured in the units of the data value. A measure of data quality assigned to the value by the supplier. 100% equates to ideal/perfect quality. The method of calculation is supplier specific and needs to be agreed between supplier and client. Point in time at which this specific value has been computed or measured. Types of configuration/layout of a car park. Parking is on multiple levels within a car park building. Car parking facility is associated with a park and ride service. Parking is on a single ground floor level. Parking is on one or more floors below ground level. Provides information on the status of one or more car parks. The configuration/layout of a car park. The identity of one or a group of car parks. The percentage value of car parking spaces occupied. Indicates the status of one or more specified car parks. The rate at which vehicles are exiting the car park. The rate at which vehicles are entering the car park. Indicates the number of vacant parking spaces available in a specified parking area. Number of currently occupied spaces. The current queuing time for entering the car park. Total number of car parking spaces. Collection of statuses which may be associated with car parks. The specified car park is closed. All car parks are full within a specified area. The specified car parking facility is not operating normally. A specified car park is completely occupied. The status of the specified car park(s) is unknown. Specified car parks have car-parking spaces available. Multi level car parks are fully occupied. Specified car parks are fully occupied. No park and ride information will be available until the specified time. No parking allowed until the specified time. Car-parking information is not available until a specified time. The parking restrictions that normally apply in the specified location have been temporarily lifted. Specified car parks have 95% or greater occupancy. Park and ride services are not operating until the specified time. Park and ride services are operating until the specified time. Parking restrictions, other than those that normally apply, are in force in a specified area. List of descriptors identifying specific carriageway details. On the connecting carriageway. On the entry slip road. On the exit slip road. On the flyover. On the left hand feeder road. On the left hand parrallel carriageway. On the main carriageway. On the opposite carriageway. On the adjacent parallel carriageway. On the right hand feeder road. On the right hand parallel carriageway. On the adjacent service road. On the slip roads. On the underpass. Identification of the supplier's data catalogue in a data exchange context. Identification of the supplier's data catalogue in a data exchange context. Contains details of the cause of a record within a situation Types of causes of situations which are not managed or off network. Accident. Traffic congestion. Failure of roadside equipment. Failure of road infrastructure. Obstruction (of unspecified type) on the roadway. Poor weather conditions. Problems at the border crossing. Problems at the customs post on the border. Problems (of an unspecified nature) on the local roads. A roadside event (of unspecified nature) whether planned or not. A security incident. A terrorist incident. A vandalism incident. Details of CCTV images which form part of a traffic view record. The URI of a resource from where a CCTV image relating to the traffic view record can be obtained. List of flags to indicate what has changed in an exchage. Catalogue has changed indicator. Filter has changed indicator. A free text comment with an optional date/time stamp that can be used by the operator to convey uncoded observations/information. A free text comment that can be used by the operator to convey uncoded observations/information. The date/time at which the comment was made. Logical comparison operations. Logical comparison operator of "equal to". Logical comparison operator of "greater than". Logical comparison operator of "less than". Types of compression that may be used in the data exchange. A compression algorithm defined by RFC 1951. The GNU zip compression utility defined by RFC 1952: GZIP 4.3 specification. Types of computational methods used in deriving data values for data sets. Arithmetic average of sample values based on a fixed number of samples. Arithmetic average of sample values in a time period. Harmonic average of sample values in a time period. Median of sample values taken over a time period. Moving average of sample values. Any conditions which have the potential to degrade normal driving conditions. Description of the driving conditions at the specified location. Values of confidentiality. For internal use only of the recipient organisation. No restriction on usage. Restricted for use only by authorities. Restricted for use only by authorities and traffic operators. Restricted for use only by authorities, traffic operators and publishers (service providers). Roadworks involving the construction of new infrastructure. The type of construction work being performed. Types of works relating to construction. Blasting or quarrying work at the specified location. Construction work of a general nature at the specified location. Demolition work associated with the construction work. List of countries. Austria Belgium Bulgaria Switzerland Serbia and Montenegro Cyprus Czech Republic Germany Denmark Estonia Spain Finland Faroe Islands France Great Britain Guernsey Gibralta Greece Croatia Hungary Ireland Isle Of Man Iceland Italy Jersey Lichtenstein Lithuania Luxembourg Latvia Morocco Monaco Macedonia Malta Netherlands Norway Poland Portugal Romania Sweden Slovenia Slovakia San Marino Turkey Vatican City State Other than as defined in this enumeration. The DATEX II logical model comprising exchange, content payload and management sub-models. Types of dangerous goods regulations. European agreement on the international carriage of dangerous goods on road. Regulations covering the international transportation of dangerous goods issued by the International Air Transport Association and the International Civil Aviation Organisation. Regulations regarding the transportation of dangerous goods on ocean-going vessels issued by the International Maritime Organisation. International regulations concerning the international carriage of dangerous goods by rail. Classes of data contained in a data exchange. Abnormal traffic information. Accident information. Activity information. Elaborated data information. Elaborated travel time information. Information. Mass data information. Obstruction information. Operator action information. Plan activation information. Poor driving conditions information. Poor road infrastructure information. Road maintenance information. Roadside Assistance information. Situation information. Traffic element information. Traffic management information. Traffic measurement information. Weather measurement information. Types of pictograms. Advisory speed limit. Blank or void. Chains or snow tyres are recommended. Cross wind. The driving of vehicles less than X metres apart is prohibited. End of advisory speed limit. End of prohibition of overtaking. End of prohibition of overtaking for goods vehicles. End of mandatory speed limit. Exit closed. Fog. Keep a safe distance. Mandatory speed limit. No entry. No entry for goods vehicles. No entry for vehicles exceeding X tonnes laden mass. No entry for vehicles having a mass exceeding X tonnes on a single axle. No entry for vehicles having an overall height exceeding X metres. No entry for vehicles having an overall length exceeding X metres. No entry for vehicles carrying dangerous goods. Danger ahead. Overtaking prohibited for goods vehicles. Overtaking prohibited. Road closed ahead. Roadworks. Slippery road. Snow. Snow types compulsory. Traffic congestion and possible queues. Days of the week. Monday. Tuesday. Wednesday. Thursday. Friday. Saturday. Sunday. A group of sequential days. All days of the week (Monday to Sunday). Monday to Friday (inclusive). Monday to Saturday (inclusive). Sunday to Friday (inclusive). Saturday and Sunday. Specification of periods defined by the intersection of days, weeks and months. Applicable day of the week. Applicable week of the month (1 to 5). Applicable month of the year. Classifications of a delay coded by length (i.e. the additional travel time). Delay between one hour and three hours. Delay between thirty minutes and one hour. Delay between three hours and six hours. Delay less than thirty minutes. Delay longer than six hours. Negligible delay. The details of the delays being caused by the situation element defined in the situation record. The coded additional travel time due to adverse travel conditions of any kind, when compared to "normal conditions". Course classification of the delay. The value of the additional travel time due to adverse travel conditions of any kind, when compared to "normal conditions", given in seconds. Course classifications of a delay. Delays on the road network as a result of any situation which causes hold-ups. Delays on the road network whose predicted duration cannot be estimated. Delays on the road network of unusual severity. Delays on the road network of abnormally unusual severity. Reasons for denial of a request. Reason unknown. Wrong catalogue specified. Wrong filter specified. Wrong order specified. Wrong partner specified. The specification of the destination of a defined route or itinerary. This may be either a location on a network or an area location. Cardinal direction points of the compass. East. East north east. East south east. North. North east. North north east. North north west. North west. South. South east. South south east. South south west. South west. West. West north west. West south west. List of general directions of travel. In the anticlockwise direction of travel on a ring road. In the clockwise direction of travel on a ring road. In the north bound direction of travel. In the north east bound direction of travel. In the east bound direction of travel. In the south east bound direction of travel. In the south bound direction of travel. In the south west bound direction of travel. In the west bound direction of travel. In the north west bound direction of travel. Types of disturbance activities. A situation relating to any threat from foreign air power. An altercation (argument, dispute or fight) between two or more vehicle occupants. A situation where an assault has taken place on one or more persons. A situation where assets of one or more persons or authorities have been destroyed. A situation where an attack on a group of people or properties has taken place. A situation where a suspected or actual explosive or incendiary devices may cause disruption to traffic. A situation, perceived or actual, relating to a civil emergency which could disrupt traffic. This includes large scale destruction, through events such as earthquakes, insurrection, and civil disobedience. A major gathering of people that could disrupt traffic. A public protest with the potential to disrupt traffic. A situation where a definite area is being cleared due to dangerous conditions or for security reasons. A situation where an explosive or incendiary device has gone off. A situation where there is danger of an explosion which may cause disruption to traffic. A manned blockade of a road where only certain vehicles are allowed through. As a form of protest, several vehicles are driving in a convoy at a low speed which is affecting the normal traffic flow. A situation involving gunfire, perceived or actual, on or near the roadway through an act of terrorism or crime, which could disrupt traffic. One or more occupants of a vehicle are seriously ill, possibly requiring specialist services or assistance.This may disrupt normal traffic flow. A situation where people are walking together in large groups for a common purpose, with potential to disrupt traffic. An organised procession which could disrupt traffic. A situation of public disorder, with potential to disrupt traffic. A situation resulting from any act of sabotage. An official response to a perceived or actual threat of crime or terrorism, which could disrupt traffic. A situation related to a perceived or actual threat of crime or terrorism, which could disrupt traffic. Attendees or sightseers to reported event(s) causing obstruction to access. A situation resulting from industrial action that could disrupt traffic. A situation related to a perceived or actual threat of terrorism, which could disrupt traffic. A situation where assets of one or more persons or authorities have been stollen. Other than as defined in this enumeration. Supplementary diversion advice. Advice indicating whether travellers are recommended to find and follow an alternative route around a traffic/travel situation. Types of diversion advice. Compulsory diversion in operation. Diversion in operation. Diversion is no longer recommended. Do not follow diversion signs. Follow diversion signs. Follow local diversion. Follow signs. Follow special diversion markers. Heavy lorries are recommended to avoid the area. Local drivers are recommended to avoid the area. No suitable diversion available. Other than as defined in this enumeration. Types of the perceived driving conditions. Current conditions are making driving impossible. Driving conditions are hazardous due to environmental conditions. Driving conditions are normal. The roadway is passable to vehicles with driver care. Driving conditions are unknown. Driving conditions are very hazardous due to environmental conditions. Driving conditions are consistent with those expected in winter. Other than as defined in this enumeration. Types of effects that roadworks may have on the road layout. Roadworks are resulting in carriageway closures at the specified location. Roadworks are resulting in contraflow of traffic at the specified location. Roadworks are resulting in lane closures at the specified location. Roadworks are resulting in lane deviations at the specified location. Roadworks are resulting in narrow lanes at the specified location. A new layout of lanes/carriageway has been implemeted associated with the roadworks. Signs are being put out before or around an obstacle to protect drivers. The existing road layout is unchanged during the period of roadworks. Traffic is being controlled by temporary traffic lights (red-yellow-green or red-green). An identifiable instance of data which is derived/computed from one or more measurements over a period of time. It may be a current value or a forecast value predicted from historical measurements. Indication of whether this elaborated data is a forecast (true = forecast). A publication containing one or more elaborated data sets. The default value for the publication of whether the elaborated data is a forecast (true = forecast). The default value for the publication of the time elapsed between the beginning and the end of the sampling or measurement period. This item may differ from the unit attribute; e.g. an hourly flow can be estimated from a 5-minute measurement period. The default for the publication of the time at which the values have been computed/derived. An obstruction on the road resulting from an environmental cause. The depth of flooding or of snow on the road. Characterization of an obstruction on the road resulting from an environmental cause. Types of environmental obstructions. The road may be obstructed or partially obstructed due to snowslides. The road may be obstructed or partially obstructed because of damage caused by an earthquake. The road is obstructed or partially obstructed by one or more fallen trees. The road may become quickly inundated by powerful floodwaters due to heavy rain nearby. The road is obstructed or partially obstructed by flood water. Traffic may be disrupted due to a grass fire adjacent to the roadway. The road may be obstructed or partially obstructed due to landslides. The road may be obstructed or partially obstructed due to mudslides. The road may be obstructed or partially obstructed due to fallen rocks. Traffic may be disrupted due to a fire (other than a vehicle fire) adjacent to the roadway. The road is obstructed or partially obstructed by overflows from one or more sewers. The road may be obstructed or partially obstructed by debris caused by strong winds. The road surface has sunken or collapsed in places. Other than as defined in this enumeration. An obstruction on the road resulting from the failure of equipment on, under, above or close to the road. Characterization of an obstruction on the road resulting from the failure of equipment on, under, above or close to the road. Types of equipment damage which may have an effect on the road network. The road surface has sunken or collapsed in places due to burst pipes. Traffic may be disrupted due to local flooding and/or subsidence because of a broken water main. The road is obstructed or partially obstructed by one or more fallen power cables. Traffic may be disrupted due to an explosion hazard from gas escaping in or near the roadway. The road infrastructure has been damaged. The road surface has sunken or collapsed in places due to sewer failure. Other than as defined in this enumeration. Enumerations alphabetically ordered between E and H. Details associated with the management of the exchange between the supplier and the client. Indicates that either a filter or a catalogue has been changed. In a data exchange process, an identifier of the organisation or group of organisations which receives information from the DATEX II supplier system. Indicates that a data delivery is stopped for unplanned reasons, i.e. excluding the end of the order validity (attribute FIL) or the case when the filter expression is not met (attribute OOR). Indicates the reason for the refusal of the requested exchange. Self-explanatory Self-explanatory Indicator that this exchange is due to "keep alive" functionality. The types of request that has been made by the client on the supplier. The type of the response that the supplier is returning to the requesting client. Unique identifier of the client's subscription with the supplier. Collection of enumerations which are used within the Exchange sub-model. Filter indicators management information. This attribute, set to true, indicates that the filter, for which a previous record version has been published, becomes inactive. This attribute is set to true when a previous version of this record has been published and now, for this new record version, the record goes out of the filter range. Details of a supplier's filter in a data exchange context. Indicates that a client defined filter has to be deleted. Indicates that a client defined filter was either stored or deleted successfully. The unique key identifier of a supplier applied filter. Type of fuel used by a vehicle. Diesel. Liquid gas of any type including LPG. Liquid petroleum gas. Methane gas. Petroleum. Any stationary or moving obstacle of a physical nature, other than of an animal, vehicle, environmental, or damaged equipment nature. Chartacterization of the type of general obstruction. Gross weight characteristic of a vehicle. The operator to be used in the vehicle characteristic comparison operation. The gross weight of the vehicle and its load, including any trailers. A group of one or more physically separate locations. Locations maybe related, as in an itinerary or route, or maybe unrelated. It is not for identifying the same physical location using different referencing systems. A group of locations defined by reference to a predefined set of locations. A reference to a predefined location set. Details of hazardous materials. The chemical name of the hazardous substance carried by the vehicle. The temperature at which the vapour from a hazardous substance will ignite in air. The code defining the regulations, international or national, applicable for a means of transport. The dangerous goods description code. The version/revision number of date of issuance of the hazardous material code used. A number giving additional hazard code classification of a goods item within the applicable dangerous goods regulation. The identification of a transport emergency card giving advice for emergency actions. A unique serial number assigned within the United Nations to substances and articles contained in a list of the dangerous goods most commonly carried. The volume of dangerous goods on the vehicle(s) reported in a traffic/travel situation. The weight of dangerous goods on the vehicle(s) reported in a traffic/travel situation. Management information relating to the data contained within a publication. The extent to which the related information should be distributed. The extent to which the related information may be circulated, according to the recipient type. Recipients must comply with this confidentiality statement. The use to which the related information contained can be put. The status of the related information (real, test, exercise ....). This indicates the urgency with which a message recipient or Client should distribute the enclosed information. Urgency particularly relates to functions within RDS-TMC applications. Weight characteristic of the heaviest axle on the vehicle. The operator to be used in the vehicle characteristic comparison operation. The weight of the heaviest axle on the vehicle. Height characteristic of a vehicle. The operator to be used in the vehicle characteristic comparison operation. The height of the highest part, excluding antennae, of an individual vehicle above the road surface, in metres. High level assessment of the impact that an unplanned event or operator action defined by the situation record has on the driving conditions. Assessment of the impact on traffic conditions resulting from the event. Detailed assessment of the impact that an unplanned event or operator action defined by the situation record has on the driving conditions. The ratio of current capacity to the normal (freeflow) road capacity in the defined direction, expressed as a percentage. Capacity is the maximum number of vehicles that can pass a specified point on the road, in unit time given the specified conditions. The number of normally operational lanes on the carriageway which are now restricted either fully or partially. The number of lanes in the specified direction which remain fully operational. The normal number of lanes in the specified direction that the carriageway has before reduction due to roadworks or traffic events. The type of restriction to which traffic is subjected as a result of an unplanned event. Measurements relating to individual vehicles. Status of the related information (i.e. real, test or exercise). The information is real. It is not a test or exercise. The information is part of an exercise which is for testing security. The information is part of an exercise which includes tests of associated technical subsystems. The information is part of a test for checking the exchange of this type of information. Types of usage to which information can be put. For broadcast usage to any interested party. For internal usage within the recipient organisation. For support of Internet services. For variable message sign usage. Types of injury status of people. Dead. Seriously injured requiring urgent hospital treatment. Slightly injured requiring medical treatment. Uninjured. Injury status unknown. Supplementary instructions advice. Additional information of an instructional nature that can be provided to travellers. Collection of instruction for drivers. Allow emergency vehicles to pass. Approach with care. Clear a lane for emergency vehicles. Clear a lane for snow ploughs and gritting vehicles. Close all windows and turn off heater and vents. Cross junction with care. Do not allow unnecessary gaps. Do not drive on the hard shoulder. Do not leave your vehicle. Do not slow down unnecessarily. Do not throw out any burning objects. Drive carefully. Drive with extreme caution. Follow the vehicle in front, smoothly. Increase normal following distance. In emergency, wait for police patrol. Keep your distance. Leave your vehicle and proceed to next save place. No naked flames. No overtaking. No smoking. Observe signals. Observe signs. Only travel if absolutely necessary. Overtake with care. Please use bus service. Please use rail service. Please use tram service. Please use underground service. Pull over to the edge of the roadway. Stop at next safe place. Stop at next rest service area or car park. Switch off engine. Switch off mobile phones and two-way radios. Test your brakes. Use fog lights. Use hard shoulder as lane. Use hazard warning lights. Use headlights. Wait for escort vehicle. Other than as defined in this enumeration. An identifier/name whose range is specific to the particular country. ISO 3166-1 two character country code. Identifier or name unique within the specified country. Involvement role of a person in event. Cyclist. Pedestrian. Involvement role is unknown. Vehicle driver. Vehicle occupant (driver or passenger not specified). Vehicle passenger. Witness. Enumerations alphabetically ordered between I and M. List of descriptors identifying specific lanes. In all lanes of the carriageway. In the bus lane. In the bus stop lane. In the carpool lane. On the central median separating the two directional carriagways of the highway. In the crawler lane. In the emergency lane. In the escape lane. In the express lane. On the hard shoulder. In the heavy vehicle lane. In the first lane numbered from nearest the hard shoulder to central median. In the second lane numbered from nearest the hard shoulder to central median. In the third lane numbered from nearest the hard shoulder to central median. In the fourth lane numbered from nearest the hard shoulder to central median. In the fifth lane numbered from nearest the hard shoulder to central median. In the sixth lane numbered from nearest the hard shoulder to central median. In the seventh lane numbered from nearest the hard shoulder to central median. In the eighth lane numbered from nearest the hard shoulder to central median. In the ninth lane numbered from nearest the hard shoulder to central median. In a lay-by. In the left hand turning lane. In the left lane. In the local traffic lane. In the middle lane. In the opposing lanes. In the overtaking lane. In the right hand turning lane. In the right lane. In the lane dedicated for use during the rush (peak) hour. In the area/lane reserved for passenger pick-up or set-down. In the slow vehicle lane. In the through traffic lane. In the lane dedicated for use as a tidal flow lane. In the turning lane. On the verge. Supplementary lane usage advice. Additional information advising of potential lane usage that can be provided to travellers. Types of lane usage. Heavy vehicles use left lane. Heavy vehicles use right lane. Keep to the left. Keep to the right. Use the bus lane. Use the hard shoulder as a lane. Use heavy vehicle lane. Use left-hand parallel carriageway. Use left lane. Use local traffic lanes. Use right-hand parallel carriageway. Use right lane. Use through traffic lanes. Other than as defined in this enumeration. Length characteristic of a vehicle. The operator to be used in the vehicle characteristic comparison operation. The overall distance between the front and back of an individual vehicle, including the length of any trailers, couplings, etc. Information relating to the life cycle management of the situation record. Indication that all the element information previously sent is not considered valid, due to an incorrect content. A binary attribute specifying whether the situation element is finished (yes) or not (no). A linear section along a road with optional directionality defined between two points on the road. An identifiable instance of a linear traffic view at a single point in time relating to a linear section of road, comprising one or more traffic view records. A reference to a predefined location which is of type linear. Types of load carried by a vehicle. A load that exceeds normal vehicle dimensions in terms of height, length, width, gross vehicle weight or axle weight or any combination of these. Generally termed an "abnormal load". Ammunition. Chemicals of unspecified type. Combustible materials of unspecified type. Corrosive materials of unspecified type. Debris of unspecified type. Explosive materials of unspecified type. A load of exceptional height. A load of exceptional length. A load of exceptional width. Fuel of unspecified type. Glass. Materials classed as being of a hazardous nature. Livestock. General materials of unspecified type. Materials classed as being of a danger to people or animals. Materials classed as being potentially dangerous to the environment. Oil. Materials that present limited environmental or health risk. Non-combustible, non-toxic, non-corrosive. Products or produce that will significantly degrade in quality or freshness over a short period of time. Petrol. Pharmaceutical materials. Materials that emit significant quantities of electro-magnetic radiation that may present a risk to people, animals or the environment. Refuse. Materials of a toxic nature which may damage the environment or endanger public health. Vehicles of any type which are being transported. Other than as defined in this enumeration. The specification of a location either on a network (as a point or a linear location) or as an area. This may be provided in one or more referencing systems. A location defined by reference to a predefined location. A reference to a predefined location. Location characteristics which override values set in the referenced measurement point. Overrides for this single measured value instance the lane(s) defined for the set of measurements. Indicates that the direction of flow for the measured lane(s) is the reverse of the normal direction of traffic flow. Default is "no", which indicates traffic flow is in the normal sense as defined by the referenced measurement point. List of descriptors to help to identify a specific location. Around a bend in the road. At a motorway interchange. At rest area off the carriageway. At service area. At toll plaza. At entry or exit of tunnel. In galley. In the centre of the roadway. In the opposite direction. In tunnel. On border crossing. On bridge. On connecting carriageway between two different roads or road sections. On ice road. On level-crossing. On road section linking two different roads. On mountain pass. On roundabout. On the left of the roadway. On the right of the roadway. On the roadway. Over the crest of a hill. On the main carriageway within a junction between exit slip road and entry slip road. Enumerations used within the location referencing sub-model except those for specific location referencing sub-models (e.g. TPEG-Loc) which are listed separately. Logical operators. Logical operator "AND". Logical operator "OR". Types of maintenance vehicle actions associated with roadworks. Maintenance vehicles are merging into the traffic flow creating a potential hazard for road users. Maintenance vehicle(s) are spreading salt and/or grit. Maintenance vehicles are slow moving. Maintenance vehicle(s) are involved in the clearance of snow. Maintenance vehicles are stopping to service equipments on or next to the roadway. Roadworks involving the maintenance or installation of infrastructure.#NOTES# The type of road maintenance or installation work at the specified location. Malfunctioning or failed traffic control equipments. The type of traffic control equipment which is malfunctioning or has failed. The number of traffic control equipments which are malfunctioning or have failed. Contains a reference to another situation record which defines a cause of the event defined here. A reference to another situation record which defines a cause of the event defined here. Information relating to the management of the situation record. General management information. This indicates the identification of previous message sender(s) of the same message when a situation element is forwarded by a recipient to a further recipient. Types of matrix sign faults. Comunications failure affecting matrix sign. Incorrect aspect (face) is being displayed. Power to matrix sign has failed. Unable to clear down aspect displayed on matrix sign. Unknown matrix sign fault. Other than as defined in this enumeration. Details of a matrix sign and its displayed aspect. Indicates which sign aspect (face) is being displayed. Indicates the type of fault which is being recorded for the specified matrix sign. A reference to aid identification of the subject matrix sign. A publication containing one or more measurement data sets, each set being measured at a single measurement site. A reference to a measurement site table. Types of measured or derived data. Measured or derived humidity information. Measured or derived pollution information. Measured or derived precipitation information. Measured or derived pressure information. Measured or derived radiation information. Measured or derived road surface conditions information. Measured or derived temperature information. Measured or derived visibility information. Measured or derived wind information. Measured or derived individual vehicle measurements. Measured or derived traffic concentration information. Measured or derived traffic flow information. Measured or derived traffic headway information. Measured or derived traffic speed information. Measured or derived traffic status information. Measured or derived travel time information. Contains optional characteristics for the specific measured value (ordered/indexed to correspond with that of the referenced measurement point) which override the static characteristics defined for the measurement point. The type of equipment used to gather the raw information from which the data values are determined, e.g. 'loop', 'ANPR' (automatic number plate recognition) or 'urban traffic management system' (such as SCOOT). An identifiable single measurement site entry/record in the Measurement Site table. Method of computation which is used to compute the measured value(s) at the measurement site. The reference given to the measurement equipment at the site. The type of equipment used to gather the raw information from which the data values are determined, e.g. 'loop', 'ANPR' (automatic number plate recognition) or 'urban traffic management system' (such as SCOOT). Name of a measurement site. The number of lanes over which the measured value is determined. Identification of a measurement site used by the supplier or consumer systems. Side of the road on which measurements are acquired, corresponding to the direction of the road. A Measurement Site Table comprising a number of sets of data, each describing the location from where a stream of measured data may be derived. Each location is known as a "measurement site" which can be a point, a linear road section or an area. An alphanumeric reference for the measurement site table, possibly human readable. The version of the measurement site table. A publication containing one or more Measurment Site Tables. Characteristics which are specific to an individual measurement type (specified in a known order) at the given measurement site. The extent to which the specific measured values may be subject to error, measured as a percentage of the data value. The time elapsed between the beginning and the end of the sampling or measurements period. This item may differ from the unit attribute; e.g. an hourly flow can be estimated from a 5-minute measurement period. Coefficient required when a moving average is computed to give specific weights to the former average and the new data. A typical formula is, F being the smoothing factor: New average = (old average) F + (new data) (1 - F). The lane to which the specific measurement at the measurement site relates. This overrides any lane specified for the measurement site as a whole. The type of this specific measurement at the measurement site. Indicating whether an activity or a roadwork is mobile (e.g.. a march or parade) or static (e.g. a crowd, or sign-post maintenance). Indicating whether an activity or a roadwork is mobile (e.g.. a march or parade) or static (e.g. a crowd, or sign-post maintenance). Types of mobility relating to a situation. The described event is moving. The described event is stationary. The mobility of the described event is unknown. A list of the months of the year. The month of January. The month of February. The month of March. The month of April. The month of May. The month of June. The month of July. The month of August. The month of September. The month of October. The month of November. The month of December. The specification of a location on a network (as a point or a linear location). Changes to the configuration or usability of the road network whether by legal order or by operational decisions. It includes road and lane closures, weight and dimensional limits, vehicle restrictions, contraflows and rerouting operations. The type of network control imposed by an operator. Types of lane control that can be imposed by an operator. The bridge at the specified location has swung or lifted and is therfore temporarily closed to traffic. Dedicated car pool lane(s) are in operation for vehicles carrying at least the specified number of occupants. The road is closed to vehicles with the specified characteristics or all, if none defined, for the duration of the winter. Two-way traffic is temporarily sharing a single carriageway. Traffic is only possible in convoys due to bad weather conditions. Road closures occur intermittently on the specified road in the specified direction. Road closures occur intermittently on the specified road in the specified direction for short durations. One or more lanes or carriageways (as specified in the location elements) are closed to vehicles with the specified characteristics or all, if none defined, in the specified direction. Normal lane widths are temporarily reduced. Overtaking is prohibited for vehicles with the specified characteristics or all, if none defined, on the specified section of road. The road is closed to vehicles with the specified characteristics or all, if none defined, in the specified direction, except for local access. Every night the road is closed to vehicles with the specified characteristics or all, if none defined, in the specified direction by decision of the appropriate authorities. Restrictions different from the normal highway restrictions have been imposed on specific sections of the road. The road is closed to vehicles with the specified characteristics or all, if none defined, in the specified direction. Dedicated rush (peak) hour lane(s) are in operation. Traffic is being controlled to move in alternate single lines. This control may be undertaken by traffic lights or flagman. Congestion is expected. Dedicated tidal flow lane(s) are in operation in the specified direction. Traffic control measures are in operation. Traffic in the specified direction is temporarily held up due to an unplanned event (e.g. for clearance of wreckage following an accident). All vehicles may currently use the specified lane (as defined by the location elements). The normal lane restrictions are not currently in force. Use the specified lane (as defined by the location elements). Vehicles satisfying the defined restrictions may use the specified lane (as defined by the location elements). Other than as defined in this enumeration. Contains details of the cause of a record within a situation, when this cause is not managed as a situation record in its own right. Description of a cause which is not managed by the operator (e.g. an off network cause). Indicates an external influence that may be the causation of components of a situation. Information about an event which is not on the road, but which may influence the behaviour of drivers and hence the characteristics of the traffic flow. Road surface conditions that are not related to the weather but which may affect driving conditions. The type of road conditions which are not related to the weather. Types of road surface conditions which are not related to the weather. Increased skid risk due to leaves on road. Increased skid risk and injury risk due to loose chippings on road. Increased skid risk due to loose sand on road. Increased skid risk due to mud on road. Increased skid risk due to oil on road. Increased skid risk due to fuel on road. The road surface is damaged, severely rutted or potholed (i.e. it is in a poor state of repair). Other than as defined in this enumeration. Enumerations alphabetically ordered between N and R. Number of axles characteristic of a vehicle. The operator to be used in the vehicle characteristic comparison operation. The total number of axles of an individual vehicle. Any stationary or moving obstacle of a physical nature (e.g. obstacles or vehicles from an earlier accident, shed loads on carriageway, rock fall, abnormal or dangerous loads, or animals etc.) which could disrupt or endanger traffic. The number of obstructions that are partly or wholly blocking the road. Types of obstructions on the roadway. An air crash adjacent to the roadway which may cause traffic disruption. Children on the roadway which may cause traffic disruption. Clearance work associated with an earlier traffic problem which may cause traffic disruption. A crane is operating either on or adjacent to the road which may cause an obstruction to traffic. Cyclists on the roadway which may cause traffic disruption. Damaged crash barrier which may cause traffic disruption. Falling ice off trees, powerlines or structures which may cause traffic disruption. Falling light ice or snow off trees, powerlines or structures which may cause traffic disruption. Authorised and unauthorised vehicles are travelling at high speeds along the roadway. This may present a hazard to other vehicles. House fire(s) near the road way resulting in smoke and driver distraction which may cause traffic disruption. Incidents are chance occurrences involving vehicles from the traffic stream, which could present potential hazards to road users. This item excludes accidents. The road is obstructed or partially obstructed due to the output or outcome of an industrial accident. Unspecified moving hazard(s) on the road which may cause traffic disruption. The road may be obstructed or traffic hindered due to objects laying on the roadway. Objects falling from moving vehicles which are presenting a hazard to other vehicles. Unspecified obstruction on the roadway which may cause traffic disruption. People on the roadway which may cause traffic disruption. A rail crash adjacent to the roadway which may cause traffic disruption. A vehicle being driven without due care and attention is causing a harzard to other vehicles. Work is being undertaken by emergency services which may present a hazard to road users. Severe frost damage to the roadway causing an obstruction to traffic. Spillage of transported goods on the roadway which may cause traffic disruption. Snow and ice debris on the roadway which may present a hazard to road users. Substances are spilling out from a moving vehicle which is presenting a hazard to other road users. Includes all situations where a spillage has occurred on the roadway due to an earlier incident. An accident area which has not been protected and may present a hazard to road users. Other than as defined in this enumeration. The non negative offset distance from the Alert C referenced point to the actual point. The non negative offset distance from the Alert C referenced point to the actual point. The Alert C locations in the Primary and Secondary locations must always encompass the linear section being specified, thus Offset Distance is towards the other point. Modes of operation of the exchange. Self-explanatory Self-explanatory Self-explanatory Self-explanatory Actions that a traffic operator can decide to implement to prevent or help correct dangerous or poor driving conditions, including maintenance of the road infrastructure. Indicates whether the actions to be undertaken by the operator are the result of an internal operation or external influence. The status of the defined operator action. Indication of whether the action is provisional, i.e. the action is subject to change. True indicates it is provisional. Origins of operator actions. Operator action originated externally to the authority which is taking the action. Operator action originated within the authority which is taking the action. List of statuses associated with operator actions. Action is approved by the relevant authority. Action has been implemented. Action is in the process of being implemented. Action has been completed and is now finished. Permission is being requested of the relevant authority for the action. Levels of assessed impact that the situation as a whole may have on traffic flow as perceived by the supplier. Perceived by supplier as being of the highest level. Perceived by supplier as being of a high level. Perceived by supplier as being of a normal level. Perceived by supplier as being of a low level. Perceived by supplier as being of the lowest level. A continuous or discontinous period of validity defined by overall bounding start and end times and the possible intersection of valid periods (potentially recurring) with the complement of exception periods (also potentially recurring). Start of bounding period of validity defined by date and time. End of bounding period of validity defined by date and time. A collection of lists of enumeration values used throughout the DATEX II model. A payload publication of traffic related information or associated management information created at a specific point in time that can be exchanged via a DATEX II interface. A classification of the information which is to be found in the publications originating from the particular feed (URL). Different URLs from one source may be used to filter the information which is made available to clients (e.g. by type or location). Date/time at which the payload publication was created. Overview of people involved in the event and their injury status. The number of people involved. The injury status of the people involved. The invlovement role of the people. The type of people involved. A continuous time period or a set of discontinuous time periods defined by the intersection of a set of criteria all within an overall delimiting interval. Start of period. End of a period. The name of the period Period of time enumerations defined by the phase of the day. Period during hours of darkness from sunset to sunrise. Period during hours of daylight from sunrise to sunset. Period from 5 pm until sunset. Period of the normally recognised evening local rush hour. Period from 5 am until sunrise. Period of the normally recognised morning local rush hour. Period from midnight until sunrise. Period from sunset until midnight. Categories of person. Adult. Child (age 4 to 17). A member of the emergency services, other than the police. Infant (age 0 to 3). A member of the medical staff. A member of the police force. A politician. A passenger on or from a public transport vehicle. A sick person. A traffic patrol officer of the road authority. A very important person. Supplementary places advice. Additional information about places that can be provided to travellers. List of advice relating to location. Around bends in the road. At customs posts. At high altitudes. At toll plazas. In gallaries. In low lying areas. In shaded areas. In the city centre. In the inner city areas. In roadworks areas. In tunnels. On bridges. On entering or leaving tunnels. On slip roads. Over the crest of hills. On motorways. On roundabouts. On underground sections of the road. Other than as defined in this enumeration. A single geospatial point. A single point defined only by a coordinate set with an optional bearing direction. A bearing at the point measured in degrees (0 - 359). A pair of coordinates defining the geodetic position of a single point using the European Terrestrial Reference System 1989 (ETRS89). Latitude in decimal degrees using the European Terrestrial Reference System 1989 (ETRS89). Longitude in decimal degrees using the European Terrestrial Reference System 1989 (ETRS89). The specification of the destination of a defined route or itinerary which is a point. Types of pollutant that can be measured in the atmosphere. Benzene, toluene or xylene. Carbon monoxide. Lead. Methane. Nitric oxide. Nitrogen dioxide. Nitrogen monoxide. Nitrogen oxides. Non-methane hydrocarbons. Ozone. Particulate matter which passes through a size-selective inlet with a 50% cut-off efficiency at an aerodynamic diameter of 10 µm (micrometres). PolycyclicAromaticHydrocarbons. Primary particulate particles. Sulphur dioxide. Total hydrocarbons, i.e. including methane and non-methane. Measurements of atmospheric pollution. Details of atmospheric pollution. The average concentration of the pollutant in the air. The type of pollutant in the air. Any environmental conditions which may be affecting the driving conditions on the road. The type of environment condition which is affecting driving conditions. Types of poor environmental conditions. The temperature is outside the normally expected range. Adverse weather conditions are affecting driving conditions. Heavy snowfall in combination with strong winds, limiting visibility to 50m or less. Dust blowing across the roadway causing significantly reduced visibility. Fallen snow moving due to the forces of wind. Strong cross winds across the direction of the roadway (e.g. on a ridge or bridge). Large falling ice pellets or frozen rain capable of causing injury or damage to property. Dense fog, limiting visibility to 50m or less. Eclipse, either partial or full, of the sun causing low light levels during normal daylight period. Abnormally low temperatures. Abnormally high expected maximum temperature. Fog, visibility more than 50m. Fog, in conjunction with sub-zero air temperatures causing possible freezing of road surface. Frost can be expected. Winds between 60 km/h and 90 km/h. Constantly varying winds, significant at times. Falling ice pellets or frozen rain. A thick coating of frost can be expected. Heavy rainfall, limiting visibility to 50m or less. Dense falling snow, limiting visibility to 50m or less. Winds over 120 km/h. Difficult visibility conditions created by low elevation sunlight. Misty conditions impairing vision over 100m. High concentrations of ozone are present. Fog, in which intermittent areas of dense fog may be encountered. Unspecified precipitation is falling on the area. Rain, visibility more than 50m. Falling rain is changing to snow. Sand blowing across the roadway causing significantly reduced visibility. Pollution from exhaust fumes has reached a level sufficient to cause concern. Environmental warning of very poor air quality resulting from smog. Light rain or intermittent rain. Rain mingled with snow or hail. Environmental warning of poor air quality resulting from smog. Smoke drifting across the roadway causing significantly reduced visibility. Falling snow is changing to rain. Falling snow, visibility more than 50m. Reduced visibility resulting from spray created by moving vehicles on a wet roadway. Winds between 90 km/h and 120 km/h. Constantly varying winds, strong at times. Winds between 40 km/h and 60 km/h. Large numbers of insects which create a hazard for road users through reduced visibility. The temperature is falling significantly. Electrical storms, generally with heavy rain. Very violent, whirling windstorms affecting narrow strips of country. Constantly varying winds, very strong at times. Environmental conditions causing reduced visibility. Falling snow in blizzard conditions resulting in very reduced visibility. Heavy rain, sleet, hail and/or snow in combination with strong winds, limiting visibility to 50m or less. Failures or malfunctions of road infrastructure or related equipment that may be of interest or concern to travellers. Failures or malfunctions of road infrastructure or related equipment. Failures or malfunctions of road infrastructure or related equipment. Automatic payment lane not working at toll plaza. Automatic payment system not working at toll plaza. Pay manually instead. Damage to bridge or viaduct. Unspecified damage to road infrastructure. The designated telephone number for reporting problems or requesting assistance is not working. Emergency telephones within a specified length of road are not working. Lights within the gallery are not working. Electronic traffic lane control signals are not working. Electronic traffic lane control signals are not working correctly (such that misleading or incorrect information may be provided). The traffic control equipment where a railway crosses the road is not working. The traffic control equipment where a railway crosses the road is not working correctly, presenting a potential hazard to motorists. Damage to fibre optic comunications which may cause failures or malfunctuions of other systems. Power failure. The ramp control signals that control the entry and exit of vehicles to and from carriageways at the specified location are not working (i.e. they appear to be switched off). The traffic lights that control the entry and exit of vehicles to and from a carriageway at the specified location are working incorrectly, presenting a potential hazard to motorists. Damage to the safety barrier. The temporary traffic lights at the specified location are not working (i.e. they appear to be switched off). The temporary traffic lights at the specified location are working incorrectly, presenting a potential hazard to motorists. The traffic lights at the specified location are not working (i.e. they appear to be switched off). The traffic lights at the specified location are working incorrectly, presenting a potential hazard to motorists. The traffic signal timing computer is not working possibly causing greater disruption to traffic than under normal conditions. The traffic signals at the specified location are working incorrectly, presenting a potential hazard to motorists. Traffic signal phase timings or sequence have been altered which may cause a hazard to road users. Lights within the tunnel are not working. Ventilation equipment in the tunnel is not working, possibly causing pollution problems and poor air quality. Variable message signs at the specified location are not working. Variable message signs at the specified location are not working correctly (such that misleading or incorrect information may be provided). Other than as defined in this enumeration. Details of precipitation (rain, snow etc.). The equivalent depth of the water layer resulting from precipitation or deposition on a non-porous horizontal surface. Non liquid precipitation are considered as melted in water. The height of the precipitation received per unit time. The type of precipitation which is affecting the driving conditions. Measurements of precipitation. Types of precipitation. Light, fine rain. Small balls of ice and compacted snow. Rain. Wet snow mixed with rain. Snow. An identifiable instance of a single predefined location. A name of assigned to a predefined location (e.g. extracted out of the network operator's gazetteer). An identifiable instance of a single set of predefined locations. A name assigned to a set of predefined locations. A publication containing one or more sets of predfined locations. Levels of confidence that the sender has in the information, ordered {certain, probable, risk of, improbable}. The source is compeltely certain of the occurrence of the situation record version content. The source has a reasonably high level of confidence of the occurrence of the situation record version content. The source has a moderate level of confidence of the occurrence of the situation record version content. The source has a low level of confidence of the occurrence of the situation record version content. Types of public events. Athletics event that could disrupt traffic. Ball game event that could disrupt traffic. Baseball game event that could disrupt traffic. Basketball game event that could disrupt traffic. Bicycle race that could disrupt traffic. Regatta (boat race event of sailing, powerboat or rowing) that could disrupt traffic. Boxing event that could disrupt traffic. Bull fighting event that could disrupt traffic. Formal or religious act, rite or ceremony that could disrupt traffic. Concert event that could disrupt traffic. Cricket match that could disrupt traffic. Major display or trade show which could disrupt traffic. Periodic (e.g. annual), often traditional, gathering for entertainment or trade promotion, which could disrupt traffic. Celebratory event or series of events which could disrupt traffic. Film or TV making event which could disrupt traffic. Football match that could disrupt traffic. Periodic (e.g. annual), often traditional, gathering for entertainment, which could disrupt traffic. Golf tournament event that could disrupt traffic. Hockey game event that could disrupt traffic. Horse race meeting that could disrupt traffic. Large sporting event of an international nature that could disrupt traffic. Significant organised event either on or near the roadway which could disrupt traffic. Marathon, cross-country or road running event that could disrupt traffic. Periodic (e.g. weekly) gathering for buying and selling, which could disrupt traffic. Sports match of unspecified type that could disrupt traffic. Motor sport race meeting that could disrupt traffic. Formal display or organised procession which could disrupt traffic. Race meeting (other than horse or motor sport) that could disrupt traffic. Rugby match that could disrupt traffic. A series of significant organised events either on or near the roadway which could disrupt traffic. Entertainment event that could disrupt traffic. Horse showing jumping and tournament event that could disrupt traffic. Sports event of unspecified type that could disrupt traffic. Public ceremony or visit of national or international significance which could disrupt traffic. Tennis tournament that could disrupt traffic. Sporting event or series of events of unspecified type lasting more than one day which could disrupt traffic. A periodic (e.g. annual), often traditional, gathering for trade promotion, which could disrupt traffic. Water sports meeting that could disrupt traffic. Winter sports meeting or event (e.g. skiing, ski jumping, skating) that could disrupt traffic. Other than as defined in this enumeration. One of a sequence of reference points along a road, normally spaced at regular intervals along each carriageway with a sequence of identification from a known starting point. Road reference point identifier, unique on the specified road. Identification of the road administration area which contains the reference point. Name of the road on which the reference point is located. Identifier/number of the road on which the reference point is located. The direction at the reference point in terms of general destination direction. The direction at the reference point relative to the sequence direction of the reference points along the road. The distance in metres from the previous road reference point in the sequence indicated by the direction. The distance in metres to the next road reference point in the sequence indicated by the direction. Identification of whether the reference point is on an elevated section of carriageway or not (true = elevated section). This may distinguish it from a point having coincident latitude / longitude on a carriageway passing beneath the elevated section. Description of the road reference point. The distance of the road reference point from the starting point of the sequence on the road. The direction of traffic flow affected by a situation or related to the traffic data. For reference points along a road the direction in which they are identified (by a sequential numbering scheme) is the positive direction. Indicates that both directions of traffic flow are affected by the situation or relate to the traffic data. Indicates that the direction of traffic flow affected by the situation or related to the traffic data is in the opposite sense to the ordering (by their sequential numbering scheme) of the marker posts. Indicates that the direction of traffic flow affected by the situation or related to the traffic data is in the same sense as the ordering (by their sequential numbering scheme) of the marker posts. Indicates that the direction of traffic flow affected by the situation or related to the traffic data is unknown. A linear section along a road defined between two points on the road identified by reference points. The point (called Primary point) which is at the downstream end of a linear road section. The point is identified by a reference point. The point (called Secondary point) which is at the upstream end of a linear road section. The point is identified by a reference point. Specification of the default value for traffic status on a set of predefined locations on the road network. Only when traffic status differs from this value at a location in the set need a value be sent. A reference to a predefined location set. The default value of traffic status that can be assumed to apply to the locations defined by the associated predefined location set. Levels of assessement of the traffic flow conditions relative to normally expected conditions at this date/time. Traffic is very much heavier than normally expected at the specified location at this date/time. Traffic is heavier than normally expected at the specified location at this date/time. Traffic is lighter than normally expected at the specified location at this date/time. Types of requests that may be made by a client on a supplier. Self-explanatory Self-explanatory Self-explanatory Self-explanatory Self-explanatory An action which involves diverting traffic, whether mandatory or advisory. Indicates whether a signed alternative route is available. A description of the rerouting itinerary. The type of rerouting that is in force defining whether the alternative route commences at the specified entry or exit of the defined road or at the specified intersecting road or junction. Types of rerouting. Rerouted traffic is to use the specified entry onto the identified road to commence the alternative route. Rerouted traffic is to use the specified exit from the identified road to commence the alternative route. Rerouted traffic is to use the specified intersection or junction to commence the alternative route. Types of response that a supplier can return to a requesting client. Self-explanatory Self-explanatory Self-explanatory Self-explanatory Self-explanatory Defines a restriction which qualifies the operator's management action. Defines a restriction based on equipment either on or carried by a vehicle. The minimum number of persons in a vehicle required to satisfy a traffic restriction or a special fare condition. The sequential number of an exit/entrance ramp from a given location in a given direction. Conditions of the road surface which may affect driving conditions. These may be related to the weather (e.g. ice, snow etc.) or to other conditions (e.g. oil, mud, leaves etc. on the road) Types of road maintenance. Clearance work of unspecified nature on the traffic carriageway. Unspecified clearing action undertaken by the traffic operator. Installation of new equipments or systems on or along-side the roadway. Grass cutting work in progress. Maintenance of road, associated infrastructure or equipments. Road maintenance work which is overrunning its planned duration. Repair work to road, associated infrastructure or equipments. Work associated with relaying or renewal of worn-out road surface (pavement). Striping and repainting of road markings, plus placement or replacement of reflecting studs (cats' eyes). Road side work of an unspecified nature. Roadworks are completed and are being cleared. Road maintenance or improvement activity of an unspecified nature which may potentially cause traffic disruption. Rock fall preventative maintenance is in progress. Spreading of salt and / or grit on the road surface is in progress to prevent or melt snow or ice. Snowploughs or other similar mechanical devices are being used to clear snow from the road. Tree and vegetation cutting work is in progress adjacent to the roadway. Other than as defined in this enumeration. Details of road side assistance required. Indicates the nature of the road side assistance that will be, is or has been provided. Types of road side assistance. Air ambulance assistance. Bus passenger assistance. Emergency services assistance. First aid assistance. Food delivery. Helicopter rescue. Vehicle repair assistance. Vehicle recovery. Other than as defined in this enumeration. Measurements of road surface conditions which are related to the weather. Measurements of the road surface condition which relate specifically to the weather. Indicates the rate at which de-icing agents have been applied to the specified road. Indicates the concentration of de-icing agent present in surface water on the specified road. The measured depth of snow recorded on the road surface. The road surface temperature down to which the surface is protected from freezing. The temperature measured on the road surface. Indicates the depth of standing water to be found on the road surface. Highway maintenance, installation and construction activities that may potentially affect traffic operations. The effects which the roadworks have or are expected to have on the road layout. Indicates in general terms the expected duration of the roadworks. Indicates in general terms the scale of the roadworks. Indicates that the road section where the roadworks are located is trafficked or non-trafficked. Indication of whether the roadworks are considered to be urgent. 'True' indicates they are urgent. Expected durations of roadworks in general terms. The roadworks are expected to last for a long term ( duration > 6 months) The roadworks are expected to last for a medium term (1 month < duration < = 6 months). The roadworks are expected to last for a short term ( duration < = 1 month) Scales of roadworks in general terms. The roadworks are of a major scale. The roadworks are of a medium scale. The roadworks are of a minor scale. Details of disruption to normal services (e.g. specific services at a service areas). The type of service which is disrupted. Types of disruption to services relevant to road users. Bar closed. There is a shortage of diesel at the specified location. There is a shortage of fuel (of one or more types) at the specified location. There is a shortage of liquid petroleum gas at the specified location. There is a shortage of methane at the specified location. There is no diesel available for heavy goods vehicles at the specified location. There is no diesel available for light vehicles at the specified location. There are no available public telephones at the specified location. There are no available public toilet facilities at the specified location. There are no available vehicle repair facilities at the specified location. There is a shortage of petrol at the specified location. The rest area at the specified location is busy. The rest area at the specified location is closed. The rest area at the specified location is close to capacity and motorists are advised to seek an alternative. The service area at the specified location is close to capacity. The service area at the specified location is closed. The fuel station at the specified service area is closed. The service area at the specified location is close to capacity and motorists are advised to seek an alternative. The restaurant at the specified service area is closed. Some commercial services are closed at the specified location. There is a shortage of water at the specified location. Provides information on variable message and matrix signs and the information currently displayed. Indicates the appropriate pictogram taken from the standardised DATEX pictogram list. Indicates which pictogram list is referenced. Indicates the chosen pictogram within the pictogram list indicated by the pictogram list entry. The reason why the sign has been set. The organisation or authority which set the sign. A reference to indicate the electronic addess to aid identification of the subject sign. The date/time at which the sign was last set. A measurement data set derived from a specific measurement site. A reference to a measurement site defined in a Measurement Site table. The time associated with the set of measurements. It may be the time of the beginning, the end or the middle of the measurement period. An identifiable instance of a traffic/travel situation comprising one or more traffic/travel circumstances which are linked by one or more causal relationships. Each traffic/travel circumstance is represented by a Situation Record. The overall assessment of the impact (in terms of severity) that the situation as a whole is having, or will have, on the traffic flow as perceived by the supplier. A reference to a related situation via its unique identifier. A publication containing zero or more traffic/travel situations. An identifiable instance of a single record/element within a situation. A unique alphanumeric reference (either an external reference or GUID) of the SituationRecord object (the first version of the record) that was created by the original supplier. The date/time that the SituationRecord object (the first version of the record) was created by the original supplier. The date/time that the information represented by the current version of the SituationRecord was observed by the original (potentially external) source of the information. Each record within a situation may iterate through a series of versions during its life time. The situation record version uniquely identifies the version of a particular record within a situation. It is generated and used by systems external to DATEX 2. The date/time that this current version of the SituationRecord was written into the database of the supplier which is involved in the data exchange. The date/time that the current version of the Situation Record was written into the database of the original supplier in the supply chain. Defines the use to which the information contained in the situation record can be put. This overrides any usage defined for the situation as a whole in the header information. An assessment of the degree of likelihood that the reported event will occur. Details of the source from which the information was obtained. ISO 3166-1 two character country code of the source of the information. Coded information of the organisation or the traffic equipment which has produced the information relating to this version of the information. The name of the organisation which has produced the information relating to this version of the information. Information about the technology used for measuring the data or the method used for obtaining qualitative descriptions relating to this version of the information. An indication as to whether the source deems the associated information to be reliable/correct. "True" indicates it is deemed reliable. Type of sources from which situation information may be derived. A patrol of an automobile club. A camera observation (either still or video camera). An operator of freight vehicles. A station dedicated to the monitoring of the road network by processing inductive loop information. A station dedicated to the monitoring of the road network by processing infrared image information. A station dedicated to the monitoring of the road network by processing microwave information. A caller using a mobile telephone (who may or may not be on the road network). Emergency service patrols other than police. Other sources of information. Personnel from a vehicle belonging to the road operator or authority or any emergency service, including authorised breakdown service organisations. A police patrol. A private breakdown service. A utility organisation, either public or private. A motorist who is an officially registered observer. A road authority. A patrol of the road operator or authority. A caller who is using an emergency roadside telephone. A spotter aircraft of an organisation specifically assigned to the monitoring of the traffic network. A station, usually automatic, dedicated to the monitoring of the road network. An operator of a transit service, e.g. bus link operator. A specially equipped vehicle used to provide measurements. A station dedicated to the monitoring of the road network by processing video image information. Types of advice relating to speed. Mandatory speed limit in force. Observe recommended speed. Observe speed limits. Police speed checks in operation. Reduce your speed. Speed limit in force for heavy vehicles. Other than as defined in this enumeration. Details of percentage of vehicles whose speeds fall below a stated threshold, expressed as a percentile of the observation set. The percentage of vehicles from the observation set whose speed falls below the stated value (i.e. the percentile expressed as a percentage). The value of the speed corresponding to the associated percentile (defined in "threshold"). Supplementary speed advice. Additional information relating to speed limits or control that can be provided to travellers. Enumerations alphabetically ordered between S and Z. The type of subject to which the roadworks are associated. The subject of the roadworks (i.e on what the construction or maintenance work is being performed). The number of subjects on which the roadworks (construction or maintenance) are being performed. Subject types of construction or maintenance work. Bridge on, over or under the highway. Buried cables under or along the highway. Unspecified buried services on, under or along the highway. Road carriageway comprising one or more lanes. Central reservation (median). Crash barrier. Gallery. Gas mains. Motorway or major road interchange. Motorway or major road junction. Lane either along or adjacent to an existing carriageway. Level-crossing or associated equipment. Road lighting system. Equipment used for determining traffic measurements. Road. Road side equipment. Road signs. Roundabout. Road tunnel. Water main under or along the highway. Other than as defined in this enumeration. This item contains all information relating to a customer subscription. Indicates that this subscription has to be deleted. Value of the interval of data delivery in the "periodic" delivery mode. The mode of operation of the exchange. Gives the date/time at which the subscription becomes active. The current state of the the client's subscription. Gives the date/time at which the subscription expires. The type of updates of situations requested by the client. The state of a client's current subscription. Self-explanatory Self-explanatory A collection of supplementary positional information which improves the precision of the location. Indicates the section of carriageway to which the location relates. Indicates whether the pedestrian footpath is the subject or part of the subject of the location. (True = footpath is subject) Indicates the specific lane to which the location relates. This indicates the length of road measured in metres affected by the associated traffic element. Specifies a descriptor which helps to identify the specific location. The details of a DATEX II target client. The IP address of a DATEX II target client. The exchange protocol used between the supplier and the client. Details of atmospheric temperature. The air temperature measured in the shade between 1.5 and 2 metres above ground level. The temperature to which the air would have to cool (at constant pressure and water vapour content) in order to reach saturation. The expected maximum temperature during the forecast period. The expected minimum temperature during the forecast period. Measurements of atmospheric temperature. Temporary limits imposed by the network/road operator at a location on the road network which may be advisory or mandatory. Temporary limit defining the maximum advisory or mandatory speed of vehicles. Specification of a continuous period within a 24 hour period by times. Start of time period. End of time period. Specification of a continuous period of time within a 24 hour period.#NOTES# A descriptor for describing an area location. Indicates the nature of the descriptor used to define the area under consideration (derived from the TPEG Loc table 03). A geographic or geometric area defined by a TPEG-Loc structure which may include height information for additional geospatial descrimination. The type of TPEG loction. A collection of information providing descriptive references to locations using the TPEG-Loc location referencing approach. A text string which describes or elaborates the location. Enumerations used exclusively in the TPEG-Loc sub-model. A point on the road network which is framed between two other points on the same road. The type of TPEG location. A geometric area defined by a centre point and a radius. The radius of the geometric area identified. Height information which provides additional descrimination for the applicable area. A measurement of height using TPEG-Loc location referencing. A descriptive identification of relative height using TPEG-Loc location referencing. A descriptor for describing a junction by defining the intersecting roads. The nature of the descriptor used to define the intersecting location under consideration (derived from the TPEG Loc table 03). A point on the road network which is a road junction point. A descriptor for describing a point at a junction on a road network. The nature of the descriptor used to define the junction point under consideration (derived from the TPEG Loc table 03). A linear section along a road defined between two points on the road by a TPEG-Loc structure. The direction of traffic flow on the linear section of the road. The type of TPEG location. Types of area. A geographic or geometric large area. Other than as defined in this enumeration. Types of points on the road network framed by two other points on the same road. A point on the road network framed by two other points on the same road. Types of linear location. A segment (or link) of the road network corresponding to the way in which the road operator has segmented the network. Types of simple point. An point on the road network at which one or more roads intersect. A point on the road network which is not at a junction or intersection. List of directions of travel. All directions (where more than two are applicable) at this point on the road network. Anti-clockwise. Both directions that are applicable at this point on the road network. Clockwise. East bound general direction. Inner ring direction. North bound general direction. North east bound general direction. North west bound general direction. Opposite direction to the normal direction of flow at this point on the road network. Outer ring direction. South bound general direction. South east bound general direction. South west bound general direction. West bound general direction. Direction is unknown. Other than as defined in this enumeration. Descriptors for describing area locations. Name of an administrative area. Reference name by which administrative area is known. Name of area. Name of county (administrative sub-division). Name of lake. Name of nation (e.g. Wales) which is a sub-division of a ISO recognised country. Name of a police force control area. Name of a geographic region. Name of a sea. Name of a town. Other than as defined in this enumeration. Descriptors for describing a junction by identifying the intersecting roads at a road junction. The name of the road on which the junction point is located. The name of the first intersecting road at the junction. The name of the second intersecting road (if one exists) at the junction. Descriptors for describing a point at a road junction. Name of a road network junction where two or more roads join. Descriptors other than junction names and road descriptors which can help to identify the location of points on the road network. Name of an airport. Name of a building. Identifier of a bus stop on the road network. Name of a bus stop on the road network. Name of a canal. Name of a ferry port. Name of a road network intersection. Name of a lake. Name of a road link. Local name of a road link. Name of a metro/underground station. Name of a point on the road network which is not at a junction or intersection. Name of a parking facility. Name of a specific point. Name of general point of interest. Name of a railway station. Name of a river. Name of a sea. Name of a service area on a road network. Name of a river which is of a tidal nature. Name of a town. Other than as defined in this enumeration. Types of height. Height above specified location. Height above mean sea high water level. Height above street level. At height of specified location. At mean sea high water level. At street level. Height below specified location. Height below mean sea high water level. Height below street level. Undefined height reference. Unknown height reference. Other than as defined in this enumeration. An area defined by a well known name. A point on the road network which is not a road junction point. General descriptor for describing a point. The nature of the "otherName" descriptor used to define the point (derived from the TPEG Loc table 03). A point on the road network which is either a junction point or a non junction point. A descriptor for describing a point location. A single point on the road network defined by a TPEG-Loc structure and which has an associated direction of traffic flow. The direction of traffic flow at the point. A point on the road network which is not bounded by any other points on the road network. The type of TPEG location. Averaged measurements of traffic concentration. An averaged measurement of the concentration of vehicles at the specified measurement point. An averaged measurement of the percentage of time that a section of road at the specified measurement point is occuppied by vehicles. Specification of traffic management controls which affect the road network that have been instigated by the network/road operator. These controls may require either optional or mandatory compliance. Defines whether the traffic control carries an optional or mandatory compliance requirement. Defines the type of traffic control instigated by the network/road operator. Types of traffic control equipment. Signs used to control lane usage (e.g. in tidal flow systems or hard shoulder running). Ramp control equipment. Signs used to control traffic speed. Toll gates. Sets of traffic lights. Types of regulatory status of traffic controls. Defined traffic control is advisory. Defined traffic control is mandatory. List of trafic control type measures. Automatic speed control measures are in place at the specified location, whereby mandatory speed limits are set based on the output from traffic sensing equipment. Active traffic management is operating whereby hardshoulder running is permitted. Operator imposed temporary limit of some type. Ramp metering is now active at the specified location. Rerouting of traffic is now active at the specified location. Toll gates are open with no fee collection at the specified location. Vehicles are being stored on the roadway and/or at a rest area or service area at the specified location. The type of destination to which the traffic is heading towards. Vehicle(s) destined for the airport. Vehicle(s) destined for the ferry service. Vehicle(s) destined for the rail service. Vehicle(s) not destined for local town, city or built up area but for transit though the area. An event which is not planned by the traffic operator, which is affecting, or has the potential to affect traffic flow. Averaged measurements of traffic flow rates. An averaged measurement of flow rate defined in terms of the number of vehicle axles passing the specified measurement point. An averaged measurement of flow rate defined in terms of the number of passenger car units passing the specified measurement point. An averaged measurement of the percentage of long vehicles contained in the traffic flow at the specified measurement point. An averaged measurement of flow rate defined in terms of the number of vehicles passing the specified measurement point. Averaged measurement of traffic headway, i.e. the distance between vehicles. The average distance between the front (respectively back) of this vehicle and the front (respectively back) of the preceding vehicle, averaged for all vehicles within a defined measurement period at the specified measurement point. The average time gap between the front (respectively back) of this vehicle and the front (respectively back) of the preceding vehicle, averaged for all vehicles within a defined measurement period at the specified measurement point. Types of restriction to which traffic is subjected as a result of an unplanned event. The carriageway is totally obstructed in the specified direction due to an unplanned event. The carriageway is partially obstructed in the specified direction due to an unplanned event. Traffic in the specified direction is required to deviate from the normal lane(s) due to an unplanned event (e.g. via hard shoulder). One or more lanes is totally obstructed in the specified direction due to an unplanned event. One or more lanes is partially obstructed in the specified direction due to an unplanned event. The road is totally obstructed, for all vehicles in both directions, due to an unplanned event. The road is partially obstructed in both directions due to an unplanned event. Averaged measurements of traffic speed. An averaged measurement of the speed of vehicles at the specified measurement point. List of terms used to describe traffic conditions. Traffic in the specified direction is completely congested, effectively at a standstill, making driving impossible. Traffic in the specified direction is congested making driving very slow and difficult. Traffic in the specified direction is heavier than usual making driving conditions more difficult than normal. Traffic in the specified direction is free flowing. Traffic conditions are unknown. The status of traffic conditions on a specific section or at a specific point on the road network. Status of traffic conditions on the identified section of road in the specified direction. A characterisation of the trend in the traffic conditions at the specified location and direction. List of terms used to describe the trend in traffic conditions. Traffic conditions are changing from free-flow to heavy or slow service levels. Queues may also be expected. Traffic conditions are changing from heavy or slow service levels to free-flow. Traffic conditions are currently stable. The trend of traffic conditions is currently unknown. Measured or derived values relating to traffic or individual vehicle movements on a specific section or at a specific point on the road network. An identifiable instance of a traffic view at a single point in time relating to a predefined location set, comprising one or more linear traffic views each of which comprise one or more traffic view records. The time to which the traffic view relates, i.e. the instance in time at which the traffic view was taken (comparable to taking a photograph). A reference to a predefined location set. A publication containing one or more traffic views. An identifiable instance of a single record within a traffic view. A number identifying the sequence of the record within the set of records which comprise the traffic view. The availability of transit services and information relating to their departures. This is limited to those transit services which are of direct relevance to road users, e.g. connecting rail or ferry services. Indicates the stated termination point of the transit journey. Indicates the stated starting point of the transit journey. Indicates a transit service journey number. Information about transit services. The type of transit service to which the information relates. Indicates the timetabled departure time of a transit service for a specified location. Types of public transport information. Public transport, park-and-ride, rail or bus services will be cancelled until the specified time. The specified service is delayed due to bad weather. The specified service is delayed due to the need for repairs. The specified public transport service will be delayed until further notice. The departure of the specified ferry service is delayed due to flotsum. The departure of the specified service is on schedule. The departure of the specified ferry service is delayed. The load capacity of the ferry operating the specified service has been changed. The ferry service has been replaced by an ice road. The specified ferry service is not operating until the specified time. The specified ferry service is subject to irregular delays. A shuttle service is operating at no charge between specified locations until the specified time. The information service relating to the rail transport system is not currently available. The specified rail service is running at irregular intervals and delays are expected for passengers. The specified rail service is not operating until the specified time. The information service relating to the rapid transit system is not currently available. Long vehicles are subject to restrictions on the specified service. The specified service is subject to delays. The specified service is subject to delays whose predicted duration cannot be estimated accurately. The departure of the specified service is fully booked. The specified service is not operating but an alternative service is available. The specified service has been suspended until the specified time. The specified service has been cancelled. A shuttle service is operating between the specified locations until the specified time. The timetable for the specified service is subject to temporary changes. Other than as defined in this enumeration. Types of transport services available to the general public. Air service. Bus service. Ferry service. Hydrofoil service. Rail service. Tram service. Underground or metro service. List of terms used to describe the trend in travel times. Travel times are decreasing. Travel times are increasing. Travel times are stable. List of ways in which travel times are derived. Travel time is derived from the best out of a monitored sample. Travel time is an automated estimate. Travel time is derived from instantaneous measurements. Travel time is reconstituted from other measurements. Derived/computed travel time information relating to a specific group of locations. Travel time between the defined locations in the specified direction. The current trend in the travel time between the defined locations in the specified direction.. Indication of the way in which the travel time is derived. The free flow speed expected under ideal conditions, corresponding to the freeFlowTravelTime. The travel time which would be expected under ideal free flow conditions. The travel time which is expected for the given period (e.g. date/time, holiday status etc.) and any known quasi-static conditions (e.g. long term roadworks). This value is derived from historical analysis. The types of vehicle to which the travel time relates. The types of updates of situations that may be requested by a client. Self-explanatory Self-explanatory Self-explanatory Degrees of urgency that a receiving client should associate with the disseminate of the information contained in the publication. Dissemination of the information is extremely urgent. Dissemination of the information is urgent. Dissemination of the information is of normal urgency. Specification of validity, either explicitly or by a validity time period specification which may be discontinous. Specification of validity, either explicitly overriding the validity time specification or confirming it. Values of validity status that can be assigned to a described event, action or item. The described event, action or item is currently active regardless of the definition of the validity time specification. The described event, action or item is currently suspended, that is inactive, regardless of the definition of the validity time specification. The validity status of the described event, action or item is in accordance with the definition of the validity time specification. Types of logical comparison operators. Contained in. Contains. Does not contain. Equal to. Greater than. Greater than or equal to. Less than. Less than or equal to. Not contained in. Not equal to. Details of a variable message sign and its displayed information. The maximum number of characters in each row on the variable message sign (for fixed font signs). The maximum number of rows of characters on the variable message sign (for fixed font signs). Indicates the type of fault which is being recorded for the specified variable message sign. A reference to aid identification of the subject Variable Message Sign. A free-text field containing a single displayed legend row on the specific variable message sign. Indicates the display characteristics of the specific variable message sign. Types of warning advice. Water lying on the road surface is producing aquaplaning conditions. Danger. Danger of explosion. Danger of fire. Emergency vehicles are at the accident scene. Extra police patrols are in operation. Firemen are directing traffic. Helicopter rescue is in progress. There is an increased risk of accidents. Look out for flagman who is controlling traffic. Pilot car is in operation. Police are directing traffic. Police are in attendance. There is a radiation hazard. Repairs are in progress. Rescue and recovery work is in progress. Several accidents have taken place. Increased risk of skidding. Increased risk of pedestrians slipping on the pavements. Water is resting on the roadway which provides an increased hazard to vehicles. There is a toxic leak. Traffic is being directed around the accident area. Traffic wardens are directing traffic. Other than as defined in this enumeration. Supplementary warning advice. Additional information of a warning nature that can be provided to travellers. Weather related information. Road surface conditions that are related to the weather which may affect the driving conditions, such as ice, snow or water. The type of road surface condition which is affecting the driving conditions. Types of road surface conditions which are related to the weather. Severe skid risk due to black ice (i.e. clear ice, which is impossible or very difficult to see). The road surface is damp. Deep snow on the roadway. The road surface is dry. The wet road surface is subject to freezing. The pavements for pedestrians are subject to freezing. Severe skid risk due to rain falling on sub-zero temperature road surface and freezing. Fresh snow (lightly trafficked or untrafficked) on the roadway. Increased skid risk due to ice (of any kind). Ice is building up on the roadway causing a serious skid hazard. Ice on the road frozen in the form of wheel tracks. Severe skid risk due to icy patches (i.e. intermittent ice on roadway). Powdery snow on the road which is subject to being blown by the wind. Conditions for pedestrians are consistent with those normally expected in winter. Packed snow (heavily trafficked) on the roadway. The road surface is melting, or has melted due to abnormally high temperatures. Increased skid risk due to melting snow (slush) on road. Melting snow (slush) on the roadway is formed into wheel tracks. Snow drifting is in progress or patches of deep snow are present due to earlier drifting. Snow is on the pedestrian pavement. Snow is lying on the road surface. Road surface is wet. Increased skid risk due to partly thawed, wet road with packed snow and ice, or rain falling on packed snow and ice. Partly thawed, wet pedestrian pavement with packed snow and ice, or rain falling on packed snow and ice. Road surface is wet or damp. Other than as defined in this enumeration. Measured or derived values relating to the weather at a specific location. Weeks of the month. First week of the month. Second week of the month. Third week of the month. Fourth week of the month. Fifth week of the month (at most only 3 days and non in February when not a leap year). Details of an individual vehicle. The colour of the vehicle. Specification of the country in which the vehicle is registered. The code is the 2-alpha code as given in EN ISO 3166-1. A code, either a specific one in a particular format, or the registration number and registration authority, identifying the individual vehicle. To make this unique the 2-alpha country code should used as a pre-fix. Indicates the stated manufacturer of the vehicle i.e. Ford. Indicates the model (or range name) of the vehicle i.e. Ford MONDEO. A code, either a specific one in a particular framework, or the registration number and registration authority, identifying the individual vehicle. The status of the vehicle. Supplementary vehicle and traffic type advice. The types of destinations of the traffic for which the advice is relevant. The charateristics of a vehicle, e.g. lorry of gross weight greater than 30 tonnes. The type of fuel used by the vehicle. The type of load carried by the vehicle, especially in respect of hazardous loads. The type of equipment in use or on board the vehicle. The type of vehicle. The type of usage of the vehicle (i.e. for what purpose is the vehicle being used). Sets of measured times relating to an individual vehicle derived from a detector at the specified measurement point. The time of the arrival of an individual vehicle in a detection zone. The time when an individual vehicle leaves a detection zone. The time elapsed between an individual vehicle entering a detection zone and exiting the same detection zone as detected by entry and exit sensors. The time during which a vehicle activates a presence sensor. The time interval between the arrival of this vehicle's front at a point on the roadway, and that of the departure of the rear of the preceding one. The measured time interval between this vehicle's arrival at (or departure from) a point on the roadway, and that of the preceding one. Types of vehicle equipment in use or on board. Vehicle not using snow chains. Vehicle not using either snow tyres or snow chains. Vehicle using snow chains. Vehicle using snow tyres. Vehicle using snow tyres or snow chains. Vehicle which is not carrying on board snow tyres or chains. The measured individual vehicle headway, i.e.the distance between this vehicle and the preceding vehicle). The measured distance between the front of this vehicle and the rear of the preceding one, in metres at the specified measurement point. The measured distance between the front (respectively back) of this vehicle and the front (respectively back) of the preceding vehicle at the specified measurement point. An obstruction on the road caused by one or more vehicles. Characterization of an obstruction on the road caused by one or more vehicles. Types of obstructions involving vehicles. Abandoned vehicle(s) on the roadway which may cause traffic disruption. Vehicle(s) carrying exceptional load(s) which may cause traffic disruption. Broken down passenger vehicle(s) on the carriageway which may cause traffic disruption. Broken down heavy lorry/lorries on the carriageway which may cause traffic disruption. Broken down vehicle(s) on the carriageway which may cause traffic disruption. A group of vehicles moving together in formation which may cause traffic disruption. Damaged vehicle(s) on the carriageway which may cause traffic disruption. Dangerous slow moving vehicles which may cause traffic disruption. Emergency service vehicles on the roadway in response to an emergency situation. Emergency service vehicles progressing at high speed along the roadway in response to or en route from an emergency situation. A vehicle of length greater than that normally allowed which may cause traffic disruption. A group of military vehicles moving together in formation which may cause traffic disruption. Vehicles of height greater than normally allowed which may cause traffic disruption. Vehicles not normally permitted on the highway are present which may cause traffic disruption. Salting and gritting vehicles are in use which may cause traffic disruption. Slow moving vehicles undertaking maintenance work may pose a hazard to other vehicles on the carriageway. A vehicle travelling at well below normal highway speeds which may cause traffic disruption. Snowploughs are in use which may cause traffic disruption. Tracked vehicles are in use which may cause traffic disruption. Vehicles without lights are in use which may present a hazard to road users. A vehicle is or has been on fire and may cause traffic disruption. Vehicles carrying materials of a hazardous nature are present and these could expose road users to additional hazards. A vehicle is travelling the wrong way along a divided highway (i.e. on the wrong side). Traffic disruption is resulting from passing vehicles slowing to look at an accident. One or more vehicles are stuck (i.e. unable to move) due to environmental conditions such as a snow drift or severe icy road. A vehicle is stuck under a bridge. An overheight vehicle which may present a hazard to road users. A vehicle of width greater than that normally allowed which may cause traffic disruption. Other than as defined in this enumeration. Overview of the vehicles involved. The number of vehicles involved. The status of the vehicle(s) involved. The type of vehicle(s) involved. The type of usage of the vehicle (i.e. for what purpose is the vehicle being used). Measurement of individual vehicle speed. The measured speed of the individual vehicle at the specified measurement point. The status of a vehicle. Abandoned vehicle. Broken down vehicle (i.e. it is immobile due to mechanical breakdown). Burnt out vehicle, but fire is extinguished. Vehicle is damaged following an incident or collision. It may or may not be able to move by itself. Vehicle is damaged following an incident or collision. It is immobilized and therefore needs assistance to be moved. Vehicle is on fire. Types of vehicle. Vehicle of any type. Articulated vehicle. Bus. Car. Car or light vehicle. Car towing a caravan. Car towing a trailer. Four wheel drive vehicle. Goods vehicle. Heavy lorry. Heavy vehicle. High sided vehicle. Light vehicle. Lorry of any type. Motorcycle. Two wheeled vehicle of unspecified type. Van. Vehicle with catalytic converter. Vehicle without catalytic converter. Vehicle (of unspecified type) towing a caravan. Vehicle (of unspecified type) towing a trailer. Vehicle with even numbered registration plate. Vehicle with odd numbered registration plate. Other than as defined in this enumeration. Types of useage of a vehicle. Vehicle used for agricultural purposes. Vehicle which is limited to non-private useage or public transport useage. Vehicle used by the emergency services. Vehicle used by the military. Vehicle used for non-commercial or private purposes. Vehicle used as part of a patrol service, e.g. automobile association patrols. Vehicle used to provide a recovery service. Vehicle used for road maintenance or construction work purposes. Vehicle used by the road operator. Vehicle used to provide an authorised taxi service. Width characteristic of a vehicle. The operator to be used in the vehicle characteristic comparison operation. The maximum width of an individual vehicle, in metres. Wind conditions on the road. The maximum wind speed in a measurement period of 10 minutes. The average direction from which the wind blows, in terms of a bearing measured in degrees (0 - 359). The average direction from which the wind blows, in terms of points of the compass. The height in metres above the road surface at which the wind is measured. The wind speed averaged over at least 10 minutes, measured at a default height of10 metres (meteo standard) above the road surface, unless measurement height is specified. Measurements of wind conditions. Supplementary winter driving advice. Additional information providing winter driving advice that can be provided to travellers. Advice on use of winter equipment. Snow chains or tyres are recommended. Snow chains are recommended. Snow tyres are recommended. Stud tyres may be used. Carrying of winter equipment (snow chains and/or snow tyres) is recommended. Other than as defined in this enumeration. Requirements for types of winter equipment that are either fitted or on board a vehicle. Snow chains fitted to vehicle are mandatory. Snow chains or snow tyres fitted to the vehicle are mandatory. Snow tyres fitted to the vehicle are mandatory. Stud tyres are not authorised. Carrying of winter equipment (snow chains and/or snow tyres) is mandatory. Other than as defined in this enumeration. Details of atmospheric visibility. The distance, measured or estimated, beyond which drivers may be unable to clearly see a vehicle or an obstacle. Measurements of atmospheric visibility. Types of variable message sign faults. Comunications failure affecting VMS. Incorrect message is being displayed. Incorrect pictogram is being displayed. Power to VMS has failed. Unable to clear down information displayed on VMS. Unknown VMS fault. Other than as defined in this enumeration. Type of variable message sign. A colour graphic display. A sign implementing fixed messages which are selected by electromechanical means. A monochrome graphic display. Other than as defined in this enumeration.