The Transport Disruption ontology

Abandoned vehicle(s) which may cause traffic disruption. This concept and description are a generalised version of the DATEX II concept abandonedVehicle.

Vehicle(s) carrying exceptional load(s) which may cause traffic disruption. This concept and description are from the DATEX II concept abnormalLoad.

A traffic condition which is not normal. This concept and description are from the DATEX II concept AbnormalTraffic.

Accidents are situations in which one or more vehicles lose control and do not recover. They include collisions between vehicle(s) or other network user(s), between vehicle(s) and fixed obstacle(s), or they result from a vehicle running off the network infrastructure. This concept and description are a generalised version of the DATEX II concept accident.

An operation involving authorised investigation work connected to an earlier reported accident. This concept and description are from the DATEX II concept accidentInvestigationWork.

Includes all accidents involving at least one bicycle. This concept and description are from the DATEX II concept accidentInvolvingBicycles.

Includes all accidents involving at least one passenger vehicle. This concept and description are from the DATEX II concept accidentInvolvingBuses.

Includes all accidents involving at least one vehicle believed to be carrying materials, which could present an additional hazard to others. This concept and description are a generalised version of the DATEX II concept accidentInvolvingHazardousMaterials.

Includes all accidents involving at least one heavy goods vehicle. This concept and description are from the DATEX II concept accidentInvolvingHeavyLorries.

Includes all accidents involving at least one mass transit vehicle. This concept and description are from the DATEX II concept accidentInvolvingMassTransitVehicle.

Includes all accidents involving at least one moped. This concept and description are from the DATEX II concept accidentInvolvingMopeds.

Includes all accidents involving at least one motorcycle. This concept and description are from the DATEX II concept accidentInvolvingMotorcycles.

Includes all accidents involving a vehicle or other type of object.

Accident involving radioactive material. This concept and description are from the DATEX II concept accidentInvolvingRadioactiveMaterial.

Includes all accidents involving collision with a train. This concept and description are from the DATEX II concept accidentInvolvingTrain.

Automatic speed control measures are in place at the specified location, whereby speed limits are set by an automatic system which is triggered by traffic sensing equipment. This concept and description are from the DATEX II concept activeSpeedControlInOperation.

Deliberate human action external to the traffic stream or infrastructure which could disrupt traffic. This concept and description are an adaptation of the DATEX II concept Activity.

Agricultural show or event which could disrupt traffic. This concept and description are from the DATEX II concept agriculturalShow.

Air ambulance assistance. This concept and description are from the DATEX II concept airAmbulance.

A situation relating to any threat from foreign air power. This concept and description are from the DATEX II concept airRaid.

Air show or other aeronautical event which could disrupt traffic. This concept and description are from the DATEX II concept airShow.

Includes all accidents where one or more aircraft have left the runway, taxiway, etc.

An altercation (argument, dispute or fight) between two or more vehicle occupants. This concept and description are from the DATEX II concept altercationOfVehicleOccupants.

An obstruction resulting from the presence of animals. This concept and description are a generalised version of the DATEX II concept AnimalPresenceObstruction.

Traffic may be disrupted due to animals on transport infrastructure. This concept and description are a generalised version of the DATEX II concept animalsOnTheRoad.

Failure of automatic number plate recognition cameras. This concept and description are based on the DATEX II concept anprCameras.

Faulty or malfunctioning automatic number plate recognition cameras. This concept and description are based on the DATEX II concept anprCameras.

A situation where an assault has taken place on one or more persons. This concept and description are from the DATEX II concept assault.

A situation where assets of one or more persons or authorities have been destroyed. This concept and description are from the DATEX II concept assetDestruction.

Athletics event that could disrupt traffic. This concept and description are from the DATEX II concept athleticsMeeting.

A situation where an attack on a group of people or properties has taken place. This concept and description are from the DATEX II concept attack.

A situation where an attack on a vehicle or its occupants has taken place. This concept and description are from the DATEX II concept attackOnVehicle.

Authority initiated operation or activity that could disrupt traffic. This concept and description are from the DATEX II concept AuthorityOperation.

Failure of an automated toll system. This concept and description are based on the DATEX II concept automatedTollSystem.

Faulty or malfunctioning automated toll system. This concept and description are based on the DATEX II concept automatedTollSystem.

The transport infrastructure obstructed or partially obstructed due to snow slides. This concept and description are a generalised version of the DATEX II concept avalanches.

Adverse weather conditions are affecting the transport network. This concept and description are a generalised version of the DATEX II concept badWeather.

Ball game event that could disrupt traffic. This concept and description are from the DATEX II concept ballGame.

Baseball game event that could disrupt traffic. This concept and description are from the DATEX II concept baseballGame.

Basketball game event that could disrupt traffic. This concept and description are from the DATEX II concept basketballGame.

Bicycle race that could disrupt traffic. This concept and description are from the DATEX II concept bicycleRace.

Black ice (i.e. clear ice, which is impossible or very difficult to see). This concept and description are adaptations the DATEX II concept blackIce.

Blasting or quarrying work at the specified location. This concept and description are from the DATEX II concept blastingWork.

Heavy snowfall in combination with strong winds, limiting visibility to 50m or less. This concept and description are from the DATEX II concept blizzard.

A manned blockade or barrier across a road stopping vehicles passing. This concept and description are from the DATEX II concept blockadeOrBarrier.

Dust blowing causing significantly reduced visibility. This concept and description are a generalised version of the DATEX II concept blowingDust.

Fallen snow moving due to the forces of wind. This concept and description are from the DATEX II concept blowingSnow.

Regatta (boat race event of sailing, powerboat or rowing) that could disrupt traffic. This concept and description are from the DATEX II concept boatRace.

Boat show which could disrupt traffic. This concept and description are from the DATEX II concept boatShow.

An alert to a situation where suspected or actual explosive or incendiary devices may cause disruption to traffic. This concept and description are from the DATEX II concept bombAlert.

An operation where a bomb squad is in action to deal with suspected or actual explosive or incendiary devices which may cause disruption to traffic. This concept and description are from the DATEX II concept bombSquadInAction.

Boxing event that could disrupt traffic. This concept and description are from the DATEX II concept boxingTournament.

The bridge at the specified location has swung or lifted and is therefore temporarily closed to traffic. This concept and description are from the DATEX II concept bridgeSwingInOperation.

Broken down passenger vehicle(s) on the carriageway which may cause traffic disruption. This concept and description are from the DATEX II concept brokenDownBus.

Broken down heavy lorry/lorries on the carriageway which may cause traffic disruption. This concept and description are from the DATEX II concept brokenDownHeavyLorry.

Broken down passenger vehicle(s) on the railway which may cause traffic disruption.

Broken down vehicle(s) which may cause traffic disruption. This concept and description are a generalised version of the DATEX II concept brokenDownVehicle.

Bull fighting event that could disrupt traffic. This concept and description are from the DATEX II concept bullFight.

The infrastructure surface has sunken or collapsed in places due to burst pipes. This concept and description are a generalised version of the DATEX II concept burstPipe.

Traffic may be disrupted due to local flooding and/or subsidence because of a broken water main. This concept and description are from the DATEX II concept burstWaterMain.

Dedicated car pool lane(s) are in operation for vehicles carrying at least the specified number of occupants. This concept and description are from the DATEX II concept carPoolLaneInOperation.

Carriageway closures are in operation at the specified location. This concept and description are from the DATEX II concept carriagewayClosures.

Failure of closed-circuit television cameras. This concept and description are based on the DATEX II concept cctvCameras.

Faulty or malfunctioning closed-circuit television cameras. This concept and description are based on the DATEX II concept cctvCameras.

Formal or religious act, rite or ceremony that could disrupt traffic. This concept and description are from the DATEX II concept ceremonialEvent.

Includes all situations resulting in a spillage of chemicals. This concept and description are a generalised version of the DATEX II concept chemicalSpillageAccident.

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. This concept and description are from the DATEX II concept civilEmergency.

Clearance work of an unspecified nature. This concept and description are from the DATEX II concept clearanceWork.

The road is closed to vehicles for the duration of the winter. This concept and description are adaptations of the DATEX II concept closedPermanentlyForTheWinter.

A bridge that has collapsed.

The infrastructure surface has sunken or collapsed in places due to sewer failure. This concept and description are a generalised version of the DATEX II concept collapsedSewer.

Collapse of a entire or section of a tunnel.

Collision of vehicle with another object of unspecified type. This concept and description are from the DATEX II concept collision.

Collision of vehicle with one or more animals. This concept and description are from the DATEX II concept collisionWithAnimal.

Collision of vehicle with an object of a stationary nature. This concept and description are from the DATEX II concept collisionWithObstruction.

Collision of vehicle with one or more pedestrians. This concept and description are from the DATEX II concept collisionWithPerson.

Commercial event which could disrupt traffic. This concept and description are from the DATEX II concept commercialEvent.

Concert event that could disrupt traffic. This concept and description are from the DATEX II concept concert.

Any conditions which have the potential to degrade normal driving conditions. This concept and description are from the DATEX II concept Conditions.

Construction work of a general nature at the specified location. This concept and description are from the DATEX II concept constructionWork.

Two-way traffic is temporarily sharing a single carriageway. This concept and description are from the DATEX II concept contraflow.

Controlled avalanche work. This concept and description are from the DATEX II concept controlledAvalanche.

A group of vehicles moving together in formation which may cause traffic disruption. This concept and description are from the DATEX II concept convoy.

A convoy service is in operation. This concept and description are from the DATEX II concept convoyService.

Cricket match that could disrupt traffic. This concept and description are from the DATEX II concept cricketMatch.

Strong cross winds across the direction of a piece of transport infrastructure (e.g.. on a ridge or bridge). This concept and description are a generalised version of the DATEX II concept crosswinds.

A major gathering of people that could disrupt traffic. This concept and description are from the DATEX II concept crowd.

Cultural event which could disrupt traffic. This concept and description are from the DATEX II concept culturalEvent.

A permanent or temporary operation established by customs and excise authorities withi, on or adjacent to transport infrastructure. This concept and description are a generalised version of the DATEX II concept customsOperation.

Damage to a bridge that may cause traffic disruption. This concept and description are from the DATEX II concept damagedBridge.

Damage to a crash barrier that may cause traffic disruption. This concept and description are from the DATEX II concept damagedCrashBarrier.

Damage to an elevated section of the carriageway over another carriageway that may cause traffic disruption. This concept and description are from the DATEX II concept damagedFlyover.

Damage to a gallery that may cause traffic disruption. This concept and description are from the DATEX II concept damagedGallery.

Damage to a gantry above the infrastructure that may cause traffic disruption. This concept and description are a generalised version of the DATEX II concept damagedGantry.

Damage to the road surface that may cause traffic disruption. This concept and description are from the DATEX II concept damagedRoadSurface.

Damage to a tunnel that may cause traffic disruption. This concept and description are from the DATEX II concept damagedTunnel.

Damaged vehicle(s) which may cause traffic disruption. This concept and description are a generalised version of the DATEX II concept damagedVehicle.

Damage to a viaduct that may cause traffic disruption. This concept and description are from the DATEX II concept damagedViaduct.

Large falling ice pellets or frozen rain capable of causing injury or damage to property. This concept and description are from the DATEX II concept damagingHail.

Dangerous slow moving vehicles which may cause traffic disruption. This concept and description are from the DATEX II concept dangerousSlowMovingVehicle.

Deep snow on the transport infrastructure. This concept and description are a generalised version of the DATEX II concept deepSnow.

Demolition work associated with the construction work. This concept and description are from the DATEX II concept demolitionWork.

A public protest with the potential to disrupt traffic. This concept and description are from the DATEX II concept demonstration.

Dense fog, limiting visibility to 50m or less. This concept and description are from the DATEX II concept denseFog.

Includes all accidents where one or more vehicles have left the rails of a track.

Diesel on transport infrastructure. This concept and description are a generalised version of the DATEX II concept dieselOnRoad.

An event that has caused a disruptive impact. This class is designed to allow events of any type to be typed as disruptive; as such, it is not hte intention that this class is extended further.

A disruptive impact the action of one or more events causing or tending to prevent an agent's planned travel from continuing as expected.

Deliberate human action of either a public disorder nature or of a situation alert type which could disrupt traffic. This concept and description are from the DATEX II concept DisturbanceActivity.

The infrastructure surface is dry. This concept and description are a generalised version of the DATEX II concept dry.

The transport infrastructure obstructed or partially obstructed because of damage caused by an earthquake. This concept and description are a generalised version of the DATEX II concept earthquakeDamage.

Eclipse, either partial or full, of the sun causing low light levels during normal daylight period. This concept and description are from the DATEX II concept eclipse.

Failure of emergency roadside telephones. This concept and description are based on the DATEX II concept emergencyRoadsideTelephones.

Faulty or malfunctioning emergency roadside telephones. This concept and description are based on the DATEX II concept emergencyRoadsideTelephones.

Emergency services assistance. This concept and description are from the DATEX II concept emergencyServices.

Emergency service vehicles on some transport infrastructure in response to an emergency situation. This concept and description are a generalised version of the DATEX II concept emergencyVehicle.

Types of environmental conditions that may affect the transport network. This concept and description are based on the DATEX II concept PoorEnvironmentConditions

An obstruction on transport infrastructure resulting from an environmental cause. This concept and description are a generalised version of the DATEX II concept EnvironmentalObstruction.

A situation where a definite area is being cleared due to dangerous conditions or for security reasons. This concept and description are from the DATEX II concept evacuation.

Major display or trade show which could disrupt traffic. This concept and description are from the DATEX II concept exhibition.

Abnormally low temperatures. This concept and description are from the DATEX II concept extremeCold.

Abnormally high expected maximum temperature. This concept and description are from the DATEX II concept extremeHeat.

Periodic (e.g. annual), often traditional, gathering for entertainment or trade promotion, which could disrupt traffic. This concept and description are from the DATEX II concept fair.

Transport infrastructure is obstructed or partially obstructed by one or more fallen power cables. This concept and description are a generalised version of the DATEX II concept fallenPowerCables.

The transport infrastructure is obstructed or partially obstructed by one or more fallen trees. This concept and description are a generalised version of the DATEX II concept fallenTrees.

Falling ice off trees, power lines or structures which may cause traffic disruption. This concept and description are from the DATEX II concept fallingIce.

Falling light ice or snow off trees, power lines or structures which may cause traffic disruption. This concept and description are from the DATEX II concept fallingLightIceOrSnow.

Celebratory event or series of events which could disrupt traffic. This concept and description are from the DATEX II concept festival.

Film or TV making event which could disrupt traffic. This concept and description are from the DATEX II concept filmTVMaking.

A manned blockade of some transport infrasturcture where only certain vehicles are allowed through. This concept and description are a generalised version of the DATEX II concept filterBlockade.

First aid assistance. This concept and description are from the DATEX II concept firstAid.

The transport infrastructure being quickly inundated by powerful floodwaters due to heavy rain nearby. This concept and description are a generalised version of the DATEX II concept flashFloods.

The transport infrastructure is obstructed or partially obstructed by flood water. This concept and description are a generalised version of the DATEX II concept flooding.

Fog, visibility more than 50m. This concept and description are from the DATEX II concept fog.

Food delivery. This concept and description are from the DATEX II concept foodDelivery.

Football match that could disrupt traffic. This concept and description are from the DATEX II concept footballMatch.

Traffic may be disrupted due to a forest fire adjacent to some transport infrastructure. This concept and description are a generalised version of the DATEX II concept forestFire.

Fog, in conjunction with sub-zero air temperatures causing possible freezing of infrastructure such as road surface. This concept and description are a generalised version of the DATEX II concept freezingFog.

The wet infrastructure surface is subject to freezing. This concept and description are a generalised version of the DATEX II concept freezingOfWetRoads.

The pavements for pedestrians are subject to freezing. This concept and description are from the DATEX II concept freezingPavements.

Falling rain on sub-zero temperature infrastructure surfaces freezing. This concept and description are a generalised version of the DATEX II concept freezingRain.

Fresh snow on the infrastructure. This concept and description are a generalised version of the DATEX II concept freshSnow.

Frost. This concept and description are adaptations of the DATEX II concept frost.

Includes all situations resulting in a spillage of fuel. This concept and description are a generalised version of the DATEX II concept fuelSpillageAccident.

Periodic (e.g. annual), often traditional, gathering for entertainment, which could disrupt traffic. This concept and description are from the DATEX II concept funfair.

Winds between 60 km/h and 90 km/h. This concept and description are from the DATEX II concept gales.

Failure of gallery lights. This concept and description are based on the DATEX II concept galleryLights.

Faulty or malfunctioning gallery lights. This concept and description are based on the DATEX II concept galleryLights.

Gardening and/or flower show or event which could disrupt traffic. This concept and description are from the DATEX II concept gardeningOrFlowerShow.

Traffic may be disrupted due to an explosion hazard from gas escaping in or near transport infrastructure. This concept and description are a generalised version of the DATEX II concept gasLeak.

Network management action that is instigated either manually or automatically by the network operator. Compliance with any resulting control may be advisory or mandatory. This concept and description are a generalised version the DATEX II concept GeneralNetworkManagement.

Any stationary or moving obstacle of a physical nature, other than of an animal, vehicle, environmental, or damaged equipment nature. This concept and description are from the DATEX II concept GeneralObstruction.

As a form of protest, several vehicles are driving in a convoy at a low speed which is affecting the normal traffic flow. This concept and description are from the DATEX II concept goSlowOperation.

Golf tournament event that could disrupt traffic. This concept and description are from the DATEX II concept golfTournament.

Grass cutting work. This concept and description are from the DATEX II concept grassCuttingWork.

Traffic may be disrupted due to a grass fire adjacent to some transport infrastructure. This concept and description are a generalised version of the DATEX II concept grassFire.

A situation involving gunfire, perceived or actual, on or near some transport infrastructure through an act of terrorism or crime, which could disrupt traffic. This concept and description are a generalised version of the DATEX II concept gunfireOnRoadway.

Constantly varying winds, significant at times. This concept and description are from the DATEX II concept gustyWinds.

Falling ice pellets or frozen rain. This concept and description are from the DATEX II concept hail.

The hard shoulder is open as an operational lane. This concept and description are from the DATEX II concept hardShoulderRunningInOperation.

Driving conditions are hazardous due to environmental conditions. This concept and description are from the DATEX II concept hazardous.

Collision of vehicle with another vehicle head on. This concept and description are from the DATEX II concept headOnCollision.

Collision of vehicle with another vehicle either head on or sideways. This concept and description are from the DATEX II concept headOnOrSideCollision.

A thick coating of frost. This concept and description are adaptations of the DATEX II concept heavyFrost.

Heavy rainfall, limiting visibility to 50m or less. This concept and description are from the DATEX II concept heavyRain.

Dense falling snow, limiting visibility to 50m or less. This concept and description are from the DATEX II concept heavySnowfall.

Traffic is heavy at the specified location. For road traffic, DATEX II defines this as the average speed is between 75% and 90% of its free-flow level. This concept and description are adaptations of the DATEX II concept heavyTraffic.

A height restriction is in operation. This concept and description are from the DATEX II concept heightRestrictionInOperation.

Helicopter rescue. This concept and description are from the DATEX II concept helicopterRescue.

Traffic may be disrupted due to a herd of animals on transport infrastructure. This concept and description a generalised version of the DATEX II concept herdOfAnimalsOnTheRoad.

Emergency service vehicles progressing at high speed along the roadway in response to or en route from an emergency situation. This concept and description are from the DATEX II concept highSpeedEmergencyVehicle.

Hockey game event that could disrupt traffic. This concept and description are from the DATEX II concept hockeyGame.

Horse race meeting that could disrupt traffic. This concept and description are from the DATEX II concept horseRaceMeeting.

Winds over 120 km/h. This concept and description are from the DATEX II concept hurricaneForceWinds.

Presence of ice (of any kind) on transport infrastructure. This concept and description are a generalised version of the DATEX II concept ice.

Ice is building up on the infrastructure surface. This concept and description are a generalised version of the DATEX II concept iceBuildUp.

Ice on the road frozen in the form of wheel tracks. This concept and description are from the DATEX II concept iceWithWheelBarTracks.

Icy patches (i.e. intermittent ice on the surface of transport infrastructure). This concept and description are a generalised version of the DATEX II concept icyPatches.

One or more occupants of a vehicle are seriously ill, possibly requiring specialist services or assistance. This may disrupt normal traffic flow. This concept and description are from the DATEX II concept illVehicleOccupants.

Current conditions are making driving impossible. This concept and description are from the DATEX II concept impossible.

Infrastructure works are completed and are being cleared. This concept and description are a generalised version the DATEX II concept roadworksClearance.

Work involving the construction of new infrastructure. This concept and description are from the DATEX II concept ConstructionWorks.

An obstruction on some transport infrastructure resulting from the failure or damage of infrastructure on, under, above or nearby. This concept and description are a generalised version of the DATEX II concept InfrastructureDamageObstruction.

Infrastructure, equipment or system which is not in an operational state. This concept and description are based on the DATEX II concept EquipmentOrSystemFault.

Infrastructure, equipment or system which is faulty, malfunctioning or not in a fully operational state. This concept and description are based on the DATEX II concept EquipmentOrSystemFault.

Construction work associated with improvements to the infrastructure or its layout or with it upgrading. This concept and description are a generalised version of the DATEX II concept roadImprovementOrUpgrading.

Infrastructure work involving the maintenance or installation of infrastructure. concept and description are a generalised version of the DATEX II concept MaintenanceWorks.

Details of assistance required or being given at the side of transport infrastructure. This concept and description are a generalised version of the DATEX II concept RoadsideAssistance.

Work of an unspecified nature carried out at the side of transport infrastructure. This concept and description are a generalised version of the DATEX II concept roadsideWork.

The infrastructure surface is damaged, severely rutted or potholed (i.e. it is in a poor state of repair). This concept and description are a generalised version of the DATEX II concept roadSurfaceInPoorCondition.

Infrastructure maintenance or improvement activity of an unspecified nature which may potentially cause disruption to travel. This concept and description are a generalised version of the DATEX II concept roadworks.

Installation of new equipments or systems on or along-side some infrastructure. This concept and description are a generalised version of the DATEX II concept installationWork.

Road closures occur intermittently on a specified road in a given direction for short durations. This concept and description are adaptations of the DATEX II concept intermittentShortTermClosures.

Large sporting event of an international nature that could disrupt traffic. This concept and description are from the DATEX II concept internationalSportsMeeting.

Includes all situations resulting in a heavy goods vehicle folding together in an accidental skidding movement on the carriageway. This concept and description are from the DATEX II concept jackknifedArticulatedLorry.

Includes all situations resulting in a vehicle and caravan folding together in an accidental skidding movement on the carriageway. This concept and description are from the DATEX II concept jackknifedCaravan.

Includes all situations resulting in a rail vehicle (carrage, engine, etc.) folding together in an accidental movement.

Includes all situations resulting in a vehicle and trailer folding together in an accidental skidding movement on the carriageway. This concept and description are from the DATEX II concept jackknifedTrailer.

Includes all situations resulting in a vehicle folding together in an accidental movement, such as skidding.

An operation involving the juridical reconstruction of events for the purposes of judicial or legal proceedings. This concept and description are from the DATEX II concept juridicalReconstruction.

Transport infrastructure obstructed or partially obstructed due to landslides. This concept and description are a generalised version of the DATEX II concept landslips.

Lane closure in operation at a location. This concept and description are adaptations of the DATEX II concept laneClosures.

Failure of signs used to control lane usage (e.g. in tidal flow systems or hard shoulder running). This concept and description are based on the DATEX II concept laneControlSigns.

Faulty or malfunctioning signs used to control lane usage (e.g. in tidal flow systems or hard shoulder running). This concept and description are based on the DATEX II concept laneControlSigns.

Lane deviations are in operation at the specified location. This concept and description are from the DATEX II concept lanesDeviated.

Traffic may be disrupted due to large animals on transport infrastructure. This concept and description are a generalised version of the DATEX II concept largeAnimalsOnTheRoad.

Leaves lying on transport infrastructure. This concept and description are a generalised version of the DATEX II concept leavesOnRoad.

Failure of a level crossing (barriers and signals). This concept and description are based on the DATEX II concept levelCrossing.

Faulty or malfunctioning level crossing (barriers and signals). This concept and description are based on the DATEX II concept levelCrossing.

Work to collect litter from the transport infrastructure and/or adjacent verges. This concept and description are a generalised version of the DATEX II concept litterClearance.

A vehicle of length greater than that normally allowed which may cause traffic disruption. This concept and description are from the DATEX II concept longLoad.

Loose chippings transport infrastructure. This concept and description are a generalised version of the DATEX II concept looseChippings.

Loose sand on transport infrastructure. This concept and description are a generalised version of the DATEX II concept looseSandOnRoad.

Powdery snow on the infrastructure which is subject to being blown by the wind. This concept and description are a generalised version of the DATEX II concept looseSnow.

Difficult visibility conditions created by low elevation sunlight. This concept and description are from the DATEX II concept lowSunGlare.

Maintenance of transport and associated infrastructure or equipments. This concept and description are a generalised version of the the DATEX II concept maintenanceWork.

Significant organised event either on or near some transport infrastructure which could disrupt traffic. This concept and description are a generalised version of the DATEX II concept majorEvent.

Marathon, cross-country or road running event that could disrupt traffic. This concept and description are from the DATEX II concept marathon.

A situation where people are walking together in large groups for a common purpose, with potential to disrupt traffic. This concept and description are from the DATEX II concept march.

Periodic (e.g. weekly) gathering for buying and selling, which could disrupt traffic. This concept and description are from the DATEX II concept market.

Sports match of unspecified type that could disrupt traffic. This concept and description are from the DATEX II concept match.

Faulty or malfunctioning matrix signs. These normally comprise a symbol display area surrounded by four lights (usually amber) which flash when a symbol is displayed. This concept and description are based on the DATEX II concept matrixSigns.

Failure of matrix signs. These normally comprise a symbol display area surrounded by four lights (usually amber) which flash when a symbol is displayed. This concept and description are based on the DATEX II concept matrixSigns.

A group of military vehicles moving together in formation which may cause traffic disruption. This concept and description are from the DATEX II concept militaryConvoy.

Misty conditions impairing vision over 100m. This concept and description are from the DATEX II concept moderateFog.

Motor show which could disrupt traffic. This concept and description are from the DATEX II concept motorShow.

Motor sport race meeting that could disrupt traffic. This concept and description are from the DATEX II concept motorSportRaceMeeting.

Mud on transport infrastructure. This concept and description are a generalised version of the DATEX II concept mudOnRoad.

Transport infrastructure obstructed or partially obstructed due to mudslides. This concept and description are a generalised version of the DATEX II concept mudSlide.

Multiple vehicles involved in a collision. This concept and description are from the DATEX II concept multipleVehicleCollision.

Includes all accidents involving three or more vehicles. This concept and description are from the DATEX II concept multivehicleAccident.

Normal lane widths are temporarily reduced. This concept and description are from the DATEX II concept narrowLanes.

Network management action which is applicable to the transport network and its users. This concept and description are a generalised version the DATEX II concept NetworkManagement.

A new layout of lanes/carriageway has been implemented associated with roadworks. This concept and description are from the DATEX II concept newRoadworksLayout.

Types of road surface conditions which are not related to the weather. This concept and description are from the DATEX II concept NonWeatherRelatedRoadConditionTypeEnum.

Driving conditions are normal. This concept and description are from the DATEX II concept normal.

Conditions for pedestrians are consistent with those normally expected in winter. This concept and description are from the DATEX II concept normalWinterConditionsForPedestrians.

Signs are being put out before or around an obstacle to protect drivers. This concept and description are from the DATEX II concept obstacleSignalling.

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. This concept and description are from the DATEX II concept Obstruction.

Oil on infrastructure. This concept and description are a generalised version of the DATEX II concept oilOnRoad.

Includes all situations resulting in a spillage of oil. This concept and description are a generalised version the DATEX II concept oilSpillageAccident.

Actions that an operator can decide to implement to prevent or help correct dangerous or poor transport or travel conditions. This concept and description is based on the DATEX II concept OperatorAction.

Works which are overhead of the transport infrastructure. This concept and description are a generalised version of the DATEX II concept overheadWorks.

Vehicles of height greater than normally allowed which may cause traffic disruption. This concept and description are from the DATEX II concept overheightVehicle.

Every night the road is closed to vehicles, either all or those with specified characteristics by decision of the appropriate authorities. This concept and description are adaptations of the DATEX II concept overnightClosures.

Includes all situations resulting in the overturning of a heavy goods vehicle on the carriageway. This concept and description are from the DATEX II concept overturnedHeavyLorry.

Includes all situations resulting in the overturning of a trailer. This concept and description are from the DATEX II concept overturnedTrailer.

Includes all situations resulting in the overturning of a vehicle (of unspecified type) on the carriageway. This concept and description are from the DATEX II concept overturnedVehicle.

High concentrations of ozone are present. This concept and description are from the DATEX II concept ozonePollution.

Packed snow (heavily trafficked) on the transport infrastructure. This concept and description are a generalised version of the DATEX II concept packedSnow.

Formal display or organised procession which could disrupt traffic. This concept and description are from the DATEX II concept parade.

The roadway is passable to vehicles with driver care. This concept and description are from the DATEX II concept passableWithCare.

Bus, rail, ferry, etc. passenger assistance. This concept and description are a generalised version of the DATEX II concept busPassengerAssistance.

Fog, in which intermittent areas of dense fog may be encountered. This concept and description are from the DATEX II concept patchyFog.

Petrol on infrascture. This concept and description are a generalised version of the DATEX II concept petrolOnRoad.

Plan provides an extension point for users of the ontology to describe an agent's plan that may be impacted by an event.

A permanent or temporary operation established on or adjacent to the transport infrastructure for use by police or other authorities. This concept and description are a generalised version of the DATEX II concept policeCheckPoint.

A temporary operation established on or adjacent to the transport infrastructure by the police associated with an ongoing investigation. This concept and description are a generalised version of the DATEX II concept policeInvestigation.

Police speed checks are in operation. This concept and description are from the DATEX II concept policeSpeedChecksInOperation.

Pollution of an unspecified nature. This concept and description are from the DATEX II concept pollution.

Unspecified precipitation is falling on the area. This concept and description are from the DATEX II concept precipitationInTheArea.

An organised procession which could disrupt traffic. This concept and description are from the DATEX II concept procession.

Vehicles not normally permitted on the highway are present which may cause traffic disruption. This concept and description are from the DATEX II concept prohibitedVehicleOnTheRoadway.

A situation of public disorder, with potential to disrupt traffic. This concept and description are from the DATEX II concept publicDisturbance.

Organised public event which could disrupt traffic. This concept and description are from the DATEX II concept PublicEvent.

A cancellation of a public transport service, route, trip, etc.

A delay to a public transport service, trip, route, etc.

A diversion to the typical route of a public transport service, trip, etc.

A public transport event is an event that features some form of public transport: bus, rail, air, ferry, etc.

Traffic is queuing at the specified location, although there is still some traffic movement. For road traffic, DATEX II defines this as i.e. average speed is between 10% and 25% of its free-flow level). This concept and description are adaptations of the DATEX II concept queuingTraffic.

Race meeting (other than horse or motor sport) that could disrupt traffic. This concept and description are from the DATEX II concept raceMeeting.

An alert to a radioactive leak which may endanger the public and hence may cause traffic disruption. This concept and description are from the DATEX II concept radioactiveLeakAlert.

Rain, visibility more than 50m. This concept and description are from the DATEX II concept rain.

Falling rain is changing to snow. This concept and description are from the DATEX II concept rainChangingToSnow.

Failure of ramp control equipment. This concept and description are based on the DATEX II concept rampControls.

Faulty or malfunctioning ramp control equipment. This concept and description are based on the DATEX II concept rampControls.

Ramp metering is now active at the specified location. This concept and description are from the DATEX II concept rampMeteringInOperation.

Includes all accidents where one or more vehicles have collided with the rear of one or more other vehicles. This concept and description are from the DATEX II concept rearCollision.

Repair work to infrastructure or equipments. This concept and description are a generalised version of the DATEX II concept repairWork.

Work associated with relaying or renewal of road, runway, or similar infrastructure. This concept and description are a generalised version of the DATEX II concept resurfacingWork.

A situation of public disorder involving violent behaviour and/or destruction of property with the potential to disrupt traffic. This concept and description are from the DATEX II concept riot.

The road has been cleared of earlier reported problems. This concept and description are from the DATEX II concept roadCleared.

A road is closed to vehicles with the specified characteristics or all, if none defined, in the specified direction. This concept and description are adaptions of the DATEX II concept roadClosed.

Striping and repainting of road markings, plus placement or replacement of reflecting studs (cats' eyes). This concept and description are from the DATEX II concept roadMarkingWork.

A permanent or temporary operation established on or adjacent to the carriageway for use by the road operator, such as for survey or inspection purposes, but not for traffic management purposes. This concept and description are from the DATEX II concept roadOperatorCheckPoint.

Road, carriageway or lane management action that is instigated by the network/road operator. This concept and description are from the DATEX II concept RoadOrCarriagewayOrLaneManagement.

The infrastructure surface is melting, or has melted due to abnormally high temperatures. This concept and description are a generalised version of the DATEX II concept roadSurfaceMelting.

Road widening work at the specified location. This concept and description are from the DATEX II concept roadWideningWork.

Road maintenance or improvement activity of an unspecified nature which may potentially cause disruption to travel. This concept and description are from the DATEX II concept roadworks.

Rock fall preventative maintenance. This concept and description are from the DATEX II concept rockFallPreventativeMaintenance.

Transport infrastructure obstructed or partially obstructed due to fallen rocks. This concept and description are a generalised version of the DATEX II concept rockfalls.

Traffic officers or police are driving slowly in front of a queue of traffic to create a gap in the traffic to allow for clearance activities to take place in safety on the road ahead. This concept and description are from the DATEX II concept rollingRoadBlock.

Rugby match that could disrupt traffic. This concept and description are from the DATEX II concept rugbyMatch.

Dedicated rush (peak) hour lane(s) are in operation. This concept and description are from the DATEX II concept rushHourLaneInOperation.

A situation resulting from any act of sabotage. This concept and description are from the DATEX II concept sabotage.

Spreading of salt and / or grit on the road surface to prevent or melt snow or ice. This concept and description are from the DATEX II concept saltingInProgress.

Salting and gritting vehicles are in use which may cause traffic disruption. This concept and description are from the DATEX II concept saltingOrGrittingVehicleInUse.

Sand blowing across some transport infrasturcture causing significantly reduced visibility. This concept and description are a generalised version of the DATEX II concept sandStorms.

An official alert to a perceived or actual threat of crime or terrorism, which could disrupt traffic. This concept and description are from the DATEX II concept securityAlert.

A situation related to a perceived or actual threat of crime or terrorism, which could disrupt traffic. This concept and description are from the DATEX II concept securityIncident.

Includes all accidents believed to involve fatality or injury expected to require overnight hospitalisation. This concept and description are from the DATEX II concept seriousAccident.

Traffic may be disrupted due to a fire (other than a vehicle fire) adjacent to some transport infrastructure. This concept and description are a generalised version of the DATEX II concept seriousFire.

A series of significant organised events either on or near some transport infrastructure which could disrupt traffic. This concept and description are a generalised version of the DATEX II concept severalMajorEvents.

Pollution from exhaust fumes has reached a level sufficient to cause concern. This concept and description are from the DATEX II concept severeExhaustPollution.

Very poor air quality resulting from smog. This concept and description are adaptations of the DATEX II concept severeSmog.

Transport infrastructure is obstructed or partially obstructed by overflows from one or more sewers. This concept and description are a generalised version of the DATEX II concept sewerOverflow.

Entertainment event that could disrupt traffic. This concept and description are from the DATEX II concept show.

Horse showing jumping and tournament event that could disrupt traffic. This concept and description are from the DATEX II concept showJumping.

Light rain or intermittent rain. This concept and description are from the DATEX II concept showers.

Includes all accidents where one or more vehicles have collided with the side of one or more other vehicles. This concept and description are from the DATEX II concept sideCollision.

Failure of communications system at the side of infrastucture which is used by one or more equipments or systems. This concept and description are based on the DATEX II concept roadsideCommunicationsSystem.

Faulty or malfunctioning communications system at side of infrastructure which is used by one or more roadside equipments or systems. This concept and description are based on the DATEX II concept roadsideCommunicationsSystem.

Failure of power system at the side of infrastructure which is used by one or more equipments or system. This concept and description are based on the DATEX II concept roadsidePowerSystem.

Faulty or malfunctioning power system at side of infrastructure which is used by one or more roadside equipments or systems. This concept and description are based on the DATEX II concept roadsidePowerSystem.

Attendees or sightseers to reported event(s) causing obstruction to access. This concept and description are from the DATEX II concept sightseersObstructingAccess.

Traffic is being controlled to move in alternate single lines. This control may be undertaken by traffic lights or flagman. This concept and description are from the DATEX II concept singleAlternateLineTraffic.

Rain mingled with snow or hail. This concept and description are from the DATEX II concept sleet.

The road surface is slippery due to an unspecified non-weather related cause. This concept and description are from the DATEX II concept slipperyRoad.

Slow moving vehicles undertaking maintenance work may pose a hazard to other vehicles. This concept and description are a generalised version of the DATEX II concept slowMovingMaintenanceVehicle.

Traffic is slow moving at the specified location, but not yet forming queues. For road traffic, DATEX II defines this as average speed is between 25% and 75% of its free-flow level. This concept and description are adaptations of the DATEX II concept slowTraffic.

A vehicle travelling at well below normal speeds which may cause traffic disruption. This concept and description are a generalised version of the DATEX II concept slowVehicle.

Melting snow (slush) on road. This concept and description are adaptations of the DATEX II concept slushOnRoad.

Melting snow (slush) on the roadway is formed into wheel tracks. This concept and description are from the DATEX II concept slushStrings.

Environmental warning of poor air quality resulting from smog. This concept and description are from the DATEX II concept smogAlert.

Smoke drifting across transport infrastructure causing significantly reduced visibility. This concept and description are adaptations of the DATEX II concept smokeHazard.

Smoke or fumes which may hinder driving conditions or distract drivers. This concept and description are from the DATEX II concept smokeOrFumes.

Falling snow is changing to rain. This concept and description are from the DATEX II concept snowChangingToRain.

Snow drifting is in progress or patches of deep snow are present due to earlier drifting. This concept and description are from the DATEX II concept snowDrifts.

Snow is on the pedestrian pavement. This concept and description are from the DATEX II concept snowOnPavement.

Snow is lying on the inftrastructure surface. This concept and description are a generalised version of the DATEX II concept snowOnTheRoad.

Falling snow, visibility more than 50m. This concept and description are from the DATEX II concept snowfall.

Snowploughs are in use which may cause traffic disruption. This concept and description are from the DATEX II concept snowplough.

Snowploughs or other similar mechanical devices in use to clear snow from the road. This concept and description are from the DATEX II concept snowploughsInUse.

Faulty or malfunctioning signs used to control traffic speed. This concept and description are based on the DATEX II concept speedControlSigns.

Failure of signs used to control traffic speed. This concept and description are based on the DATEX II concept speedControlSigns.

Speed management action that is instigated by the network/road operator. This concept and description are from the DATEX II concept SpeedManagement.

A speed restriction is in operation. This concept and description are from the DATEX II concept speedRestrictionInOperation.

Includes all situations resulting in a spillage of some substance on transport infrastructure.

Sports event of unspecified type that could disrupt traffic. This concept and description are from the DATEX II concept sportsMeeting.

Reduced visibility resulting from spray created by moving vehicles on a wet roadway. This concept and description are from the DATEX II concept sprayHazard.

Public ceremony or visit of national or international significance which could disrupt traffic. This concept and description are from the DATEX II concept stateOccasion.

Traffic is stationary, or very near stationary, at the specified locatio. For road traffic, DATEX II defines this as average speed is less than 10% of its free-flow level. This concept and description are adaptations of the DATEX II concept stationaryTraffic.

Transport infrastructure obstructed or partially obstructed by debris caused by strong winds. This concept and description are a generalised version of the DATEX II concept stormDamage.

Winds between 90 km/h and 120 km/h. This concept and description are from the DATEX II concept stormForceWinds.

Failure of street or road lighting. This concept and description are based on the DATEX II concept streetLighting.

Faulty or malfunctioning street or road lighting. This concept and description are based on the DATEX II concept streetLighting.

A situation resulting from industrial action that could disrupt traffic. This concept and description are from the DATEX II concept strike.

Constantly varying winds, strong at times. This concept and description are from the DATEX II concept strongGustsOfWind.

Winds between 40 km/h and 60 km/h. This concept and description are from the DATEX II concept strongWinds.

The surface of some ransport infrastructure has sunken or collapsed in places. This concept and description are a generalised version of the DATEX II concept subsidence.

Water is resting on the roadway which provides an increased hazard to vehicles. This concept and description are from the DATEX II concept surfaceWater.

A permanent or temporary operation established by authorities on or adjacent to the transport infrastructure for the purpose of gathering statistics or other traffic related information. This concept and description are a generalised version of the DATEX II concept survey.

Large numbers of insects which create a hazard through reduced visibility. This concept and description are adaptations of the DATEX II concept swarmsOfInsects.

Sweeping of the roadway. This concept and description are from the DATEX II concept sweepingOfRoad.

The temperature is falling significantly. This concept and description are from the DATEX II concept temperatureFalling.

Traffic is being controlled by temporary traffic lights (red-yellow-green or red-green). This concept and description are from the DATEX II concept temporaryTrafficLights.

Failure of a set of temporary traffic lights (red-yellow-green or red-green). This concept and description are based on the DATEX II concept temporaryTrafficLights.

Faulty or malfunctioning temporary traffic lights (red-yellow-green or red-green). This concept and description are based on the DATEX II concept temporaryTrafficLights.

Tennis tournament that could disrupt traffic. This concept and description are from the DATEX II concept tennisTournament.

A situation related to a perceived or actual threat of terrorism, which could disrupt traffic. This concept and description are from the DATEX II concept terroristIncident.

A situation where assets of one or more persons or authorities have been stolen. This concept and description are from the DATEX II concept theft.

Electrical storms, generally with heavy rain. This concept and description are from the DATEX II concept thunderstorms.

Dedicated tidal flow lane(s) are in operation in the specified direction. This concept and description are from the DATEX II concept tidalFlowLaneInOperation.

Failure of toll gates. This concept and description are based on the DATEX II concept tollGates.

Faulty or malfunctioning toll gates. This concept and description are based on the DATEX II concept tollGates.

Toll gates are open with no fee collection at the specified location. This concept and description are from the DATEX II concept tollGatesOpen.

Very violent, whirling windstorms affecting narrow strips of country. This concept and description are from the DATEX II concept tornadoes.

Sporting event or series of events of unspecified type lasting more than one day which could disrupt traffic. This concept and description are from the DATEX II concept tournament.

An alert to a toxic release of gases and/or particulates into the environment which may endanger the public and hence may cause traffic disruption. This concept and description are from the DATEX II concept toxicCloudAlert.

Track laying vehicles are in use which may cause traffic disruption. This concept and description are from the DATEX II concept trackLayingVehicle.