A traffic condition which is not normal. A characterization of the nature of abnormal traffic flow, i.e. specifically relating to the nature of the traffic movement, implying a level of service. Descriptive terms for abnormal traffic conditions specifically relating to the nature of the traffic movement, implying levels of service. Traffic is stationary, or very near stationary, at the specified location (i.e. average speed is less than 10% of its free-flow level). Traffic is slow moving at the specified location, but not yet forming queues (i.e. average speed is between 25% and 75% of its free-flow level). Traffic is heavy at the specified location (i.e. average speed is between 75% and 90% of its free-flow level). There are abnormal traffic conditions of an unspecified nature at the specified location. 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. 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. Contains details of the cause of a record within a situation Indicates an external influence that may be the causation of components of a situation. The type of cause, expressed in more detail than the NonManagedCause causeType. If both are present then they must be consistent. A reference to another situation record which defines a cause of the event defined here. Types of causes of situations which are not managed or are off network. A traffic condition that is not normal. Accident. Deliberate human action of either a public disorder nature or of a situation alert type which could disrupt traffic. An obstruction on the road resulting from an environmental cause Equipment or system which is faulty, malfunctioning or not in a fully operational state An obstruction on the road resulting from the failure or damage of infrastructure on, under, above or close to the road Obstruction on the roadway. Poor environmental conditions Organised public event Roadworks involving the maintenance or installation of infrastructure Road, carriageway or lane management action instigated by the network/road operator Speed management action instigated by the network/road operator An obstruction on the road caused by one or more vehicles. A free text comment with an optional date/time stamp that can be used by the operator to convey un-coded observations/information. A free text comment that can be used by the operator to convey un-coded observations/information. The date/time at which the comment was made. A classification of the the type of comment. Classification of comment types. A free text human oriented note describing details of abnormal load movements associated with the SituationRecord. A free text human oriented note describing the way the information in the SituationRecord has been or should be processed. A free text human oriented description of the situation element defined by the SituationRecord. A free text human oriented note that supports internal traffic control operations relating to the situation element defined by the SituationRecord. Human-readable name by which the associated roadworks is known A free text human oriented warning relating to the SituationRecord, such as advising the recipient that an advanced warning on VMS should be activated. Other than as defined in this enumeration. Types of compliance. Advisory compliance. Mandatory compliance. Any conditions which have the potential to degrade normal driving conditions. The details of the delays being caused by the situation element defined in the situation record. It is recommended to only use one of the optional attributes to avoid confusion. The value of the additional travel time due to adverse travel conditions of any kind, when compared to "normal conditions", given in seconds. The type of influence that may be the cause of components of a situation. At least one attribute must be populated. A characterization of the nature of abnormal traffic flow, i.e. specifically relating to the nature of the traffic movement. A characterization of the nature of the accident. Includes all situations of a public disorder type or of an alert type, with potential to disrupt traffic. Characterization of an obstruction on the road resulting from an environmental cause. Failure, malfunction or non operational condition of equipment or system. Characterization of an obstruction on the road resulting from the failure or damage of infrastructure on, under, above or close to the road. Characterization of the type of general obstruction. The type of environment condition which is affecting driving conditions. Type of public event which could disrupt traffic. The type of road maintenance or installation work at the specified location. Type of road, carriageway or lane management action instigated by operator. Type of speed management action instigated by operator. Characterization of an obstruction on the road caused by one or more vehicles. Types of disturbance activities. A public protest with the potential to disrupt traffic. Types of environmental obstructions. The road may be obstructed or partially obstructed due to snow slides. The road is obstructed or partially obstructed by flood water. Traffic may be disrupted due to a forest fire adjacent to the roadway. The road may be obstructed or partially obstructed due to fallen rocks. Types of fault, malfunctioning or non operational conditions of equipment or systems. Not working or functioning. General instruction and/or message that is issued by the network/road operator which is applicable to drivers and sometimes passengers. General instruction that is issued by the network/road operator which is applicable to drivers and sometimes passengers. General message that is issued by the network/road operator which is applicable to drivers and sometimes passengers, e.g. details about an amber alert (missing or abducted child alert). General instructions that may be issued to road users (specifically drivers and sometimes passengers) by an operator or operational system in support of network management activities or emergency situations. Allow emergency vehicles to pass. Drive carefully. No overtaking on the specified section of road. Any stationary or moving obstacle of a physical nature, other than of an animal, vehicle, environmental, or damaged equipment nature. Characterization of the type of general obstruction. A generic SituationRecord for use when adding level B extensions at the SituationRecord level. The name of the GenericSituationRecord. An assessment of the impact that an event or operator action defined by the situation record has on the driving conditions. Types of infrastructure damage which may have an effect on the road network. Damage to the road surface that may cause traffic disruption. Roadworks involving the maintenance or installation of infrastructure. The type of road maintenance or installation work at the specified location. An indication of whether the associated instance of a SituationRecord is mobile (e.g. a march or parade moving along a road) or stationary. An indication of whether the associated instance of a SituationRecord is mobile (e.g. a march or parade moving along a road) or stationary. Types of mobility relating to a situation element defined by a SituationReord. The described element of a situation is moving. The described element of a situation is stationary. The mobility of the described element of a situation is unknown. Network management action which is applicable to the road network and its users. Defines whether the network management instruction or the control resulting from a network management action is advisory or mandatory. The characteristics of those vehicles for which the network management is applicable. Types of obstructions on the roadway. Cyclists on the roadway which may cause traffic disruption. The road may be obstructed or traffic hindered due to objects laying on the roadway. Unspecified obstruction on the roadway which may cause traffic disruption. People on the roadway which may cause traffic disruption. Spillage of transported goods on the roadway which may cause traffic disruption. Includes all situations where a spillage has occurred on the roadway due to an earlier incident. Actions that an authorised operator can decide to implement to prevent or help correct dangerous or poor driving conditions, or any actions affecting normal operation of a road. Types of poor environmental conditions. Adverse weather conditions are affecting driving conditions. Fog, visibility more than 50m. Frost can be expected. Constantly varying winds, significant at times. Falling ice pellets or frozen rain. Rain, visibility more than 50m. Smoke drifting across the roadway causing significantly reduced visibility. Falling snow, visibility more than 50m. Winds between 40 km/h and 60 km/h. Environmental conditions causing reduced visibility. Levels of confidence that the sender has in the information, ordered {certain, probable, risk of}. The source is completely 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. Types of road maintenance. Road maintenance or improvement activity of an unspecified nature which may potentially cause traffic disruption. Snowploughs or other similar mechanical devices in use to clear snow from the road. Road, carriageway or lane management action that is instigated by the network/road operator. Type of road, carriageway or lane management action instigated by operator. The minimum number of persons required in a vehicle in order for it to be allowed to transit the specified road section. Management actions relating to road, carriageway or lane usage. Carriageway closures are in operation at the specified location. Clear a lane for emergency vehicles. Do not use the specified lane(s) or carriageway(s). A height restriction is in operation. Road closures occur intermittently on the specified road in the specified direction for short durations. Keep to the left. Keep to the right. Lane closures are in operation at the specified location for vehicles with the specified characteristics or all, if none defined, in the specified direction. Lane deviations are in operation at the specified location. Normal lane widths are temporarily reduced. A new layout of lanes/carriageway has been implemented associated with roadworks. The road is closed to vehicles with the specified characteristics or all, if none defined, in the specified direction. Traffic is being controlled to move in alternate single lines. This control may be undertaken by traffic lights or flagman. The specified lane(s) or carriageway(s) may be used. The normal lane(s) or carriageway(s) restrictions are not currently in force. Vehicles are being stored on the roadway and/or at a rest area or service area at the specified location. A weight restriction is in operation. Other than as defined in this enumeration. Road maintenance, installation and construction activities, works in the road, or other construction or maintenance actions that may affect normal operation of a road. Information about a service which may influence the behaviour of drivers and hence the characteristics of the traffic flow. Levels of severity of a situation as whole assessed by the impact that the situation 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 medium level. Perceived by supplier as being of a low level. Perceived by supplier as being of an unknown level. 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. Details of the Situation Reference to related situations via unique identifiers. A publication containing zero or more traffic/travel situations. An identifiable versioned instance of a single record/element within a situation. A unique alphanumeric reference (e.g. an external reference or a UUID) 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 this current version of the SituationRecord within the situation was written into the database of the supplier which is involved in the data exchange. Identity and version of record are defined by the class stereotype implementation. An assessment of the degree of likelihood that the reported event will occur. The assessment of the impact (in terms of severity) that this element of the situation is having, or will have, on the traffic flow as perceived by the supplier. Indicates whether this SituationRecord specifies a safety-related traffic situation. At least all traffic situations governed by Commission Delegated Regulation (EU) No 886/2013 shall be indicated. Impact of the situation element A comment which may be freely distributed to the general public A comment which should not be distributed to the general public. Reference to a SituationRecord A reference to a specific versioned identifiable object, which may be in this publication or an external publication Reference to a Situation A reference to a specific versioned identifiable object, which may be in this publication or an external publication Speed management action that is instigated by the network/road operator. Type of speed management action instigated by operator. Temporary limit defining the maximum advisory or mandatory speed of vehicles. Management actions relating to speed. Reduce your speed. A speed restriction is in operation. An event which is not planned by the traffic operator, which is affecting, or has the potential to affect traffic flow. 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. Information about transit services. The type of transit service to which the information relates. Types of public transport information. The specified service is subject to delays. Types of transport services available to the general public. Ferry service. Types of obstructions involving vehicles. A vehicle travelling at well below normal highway speeds which may cause traffic disruption. 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). 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 of width greater than that normally allowed which may cause traffic disruption. Winter driving management action that is instigated by the network/road operator. Type of winter equipment management action instigated by operator.