Newer
Older
horizontalPositionConfidence PosConfidenceEllipse OPTIONAL,
deltaAltitude DeltaAltitude DEFAULT unavailable,
altitudeConfidence AltitudeConfidence DEFAULT unavailable,
...
}
```
### <a name="PerceivedObject"></a>PerceivedObject
This DF contains information about a perceived object including its kinematic state and attitude vector in a pre-defined coordinate system and with respect to a reference time.
* objectId of type [**Identifier2B**](#Identifier2B) OPTIONAL<br>
optional identifier assigned to a detected object.
* measurementDeltaTime of type [**DeltaTimeMilliSecondSigned**](#DeltaTimeMilliSecondSigned) <br>
the time difference from a reference time to the time of the measurement of the object.
Negative values indicate that the provided object state refers to a point in time before the reference time.
* position of type [**CartesianPosition3dWithConfidence**](#CartesianPosition3dWithConfidence) <br>
the position of the geometric centre of the object´s bounding box within the pre-defined coordinate system.
* velocity of type [**Velocity3dWithConfidence**](#Velocity3dWithConfidence) OPTIONAL<br>
the velocity vector of the object within the pre-defined coordinate system.
* acceleration of type [**Acceleration3dWithConfidence**](#Acceleration3dWithConfidence) OPTIONAL<br>
the acceleration vector of the object within the pre-defined coordinate system.
* angles of type [**EulerAnglesWithConfidence**](#EulerAnglesWithConfidence) OPTIONAL<br>
optional Euler angles of the object bounding box at the time of measurement.
* zAngularVelocity of type [**CartesianAngularVelocityComponent**](#CartesianAngularVelocityComponent) OPTIONAL<br>
optional angular velocity of the object around the z-axis at the time of measurement.
The angular velocity is measured with positive values considering the object orientation turning around the z-axis using the right-hand rule.
* lowerTriangularCorrelationMatrices of type [**LowerTriangularPositiveSemidefiniteMatrices**](#LowerTriangularPositiveSemidefiniteMatrices) OPTIONAL<br>
optional set of lower triangular correlation matrices for selected components of the provided kinematic state and attitude vector.
* objectDimensionZ of type [**ObjectDimension**](#ObjectDimension) OPTIONAL<br>
optional z-dimension of object bounding box.
This dimension shall be measured along the direction of the z-axis after all the rotations have been applied.
* objectDimensionY of type [**ObjectDimension**](#ObjectDimension) OPTIONAL<br>
optional y-dimension of the object bounding box.
This dimension shall be measured along the direction of the y-axis after all the rotations have been applied.
* objectDimensionX of type [**ObjectDimension**](#ObjectDimension) OPTIONAL<br>
optional x-dimension of object bounding box.
This dimension shall be measured along the direction of the x-axis after all the rotations have been applied.
* objectAge of type [**DeltaTimeMilliSecondSigned**](#DeltaTimeMilliSecondSigned) (0..2047) OPTIONAL<br>
optional age of the detected and described object, i.e. the difference in time between the moment
it has been first detected and the reference time of the message. Value `1500` indicates that the object has been observed for more than 1.5s.
* objectPerceptionQuality of type [**ObjectPerceptionQuality**](#ObjectPerceptionQuality) OPTIONAL<br>
* sensorIdList of type [**SequenceOfIdentifier1B**](#SequenceOfIdentifier1B) OPTIONAL<br>
optional list of sensor-IDs which provided the measurement data.
* classification of type [**ObjectClassDescription**](#ObjectClassDescription) OPTIONAL<br>
* mapPosition of type [**MapPosition**](#MapPosition) OPTIONAL<br>
**Categories**: Sensing information
**Revision**: _created in V2.1.1_
```asn1
PerceivedObject ::= SEQUENCE {
position CartesianPosition3dWithConfidence,
velocity Velocity3dWithConfidence OPTIONAL,
acceleration Acceleration3dWithConfidence OPTIONAL,
angles EulerAnglesWithConfidence OPTIONAL,
zAngularVelocity CartesianAngularVelocityComponent OPTIONAL,
lowerTriangularCorrelationMatrices LowerTriangularPositiveSemidefiniteMatrices OPTIONAL,
objectDimensionZ ObjectDimension OPTIONAL,
objectDimensionY ObjectDimension OPTIONAL,
objectDimensionX ObjectDimension OPTIONAL,
objectAge DeltaTimeMilliSecondSigned (0..2047) OPTIONAL,
objectPerceptionQuality ObjectPerceptionQuality OPTIONAL,
sensorIdList SequenceOfIdentifier1B OPTIONAL,
classification ObjectClassDescription OPTIONAL,
mapPosition MapPosition OPTIONAL,
...
}
```
### <a name="PolygonalShape"></a>PolygonalShape
This DF represents the shape of a polygonal area or of a right prism.
* shapeReferencePoint of type [**CartesianPosition3d**](#CartesianPosition3d) OPTIONAL<br>
the optional reference point used for the definition of the shape, relative to an externally specified reference position.
If this component is absent, the externally specified reference position represents the shape´s reference point.
* polygon of type [**SequenceOfCartesianPosition3d**](#SequenceOfCartesianPosition3d) (SIZE(3..16,...))<br>
the polygonal area represented by a list of minimum `3` to maximum `16` [**CartesianPosition3d**](#CartesianPosition3d).
All nodes of the polygon shall be considered relative to the shape´s reference point.
* height of type [**StandardLength12b**](#StandardLength12b) OPTIONAL<br>
the optional height, present if the shape is a right prism extending in the positive z-axis.
**Categories**: GeoReference information
**Revision**: _created in V2.1.1_
```asn1
PolygonalShape ::= SEQUENCE {
shapeReferencePoint CartesianPosition3d OPTIONAL,
polygon SequenceOfCartesianPosition3d (SIZE(3..16,...)),
height StandardLength12b OPTIONAL
}
```
### <a name="PosConfidenceEllipse"></a>PosConfidenceEllipse
This DF indicates the horizontal position confidence ellipse which represents the estimated accuracy with a
confidence level of 95 %. The centre of the ellipse shape corresponds to the reference
position point for which the position accuracy is evaluated.
* semiMajorConfidence of type [**SemiAxisLength**](#SemiAxisLength) <br>
half of length of the major axis, i.e. distance between the centre point
and major axis point of the position accuracy ellipse.
* semiMinorConfidence of type [**SemiAxisLength**](#SemiAxisLength) <br>
half of length of the minor axis, i.e. distance between the centre point
and minor axis point of the position accuracy ellipse.
* semiMajorOrientation of type [**HeadingValue**](#HeadingValue) <br>
orientation direction of the ellipse major axis of the position accuracy
ellipse with regards to the WGS84 north.
The specific WGS84 coordinate system is specified by the corresponding standards applying this DE.
**Categories**: GeoReference information
**Revision**: _V1.3.1_
```asn1
PosConfidenceEllipse ::= SEQUENCE {
semiMajorConfidence SemiAxisLength,
semiMinorConfidence SemiAxisLength,
semiMajorOrientation HeadingValue
}
```
### <a name="PositionConfidenceEllipse"></a>PositionConfidenceEllipse
This DF indicates the horizontal position confidence ellipse which represents the estimated accuracy with a
confidence level of 95 %. The centre of the ellipse shape corresponds to the reference
position point for which the position accuracy is evaluated.
It shall include the following components:
* semiMajorAxisLength of type [**SemiAxisLength**](#SemiAxisLength) <br>
half of length of the major axis, i.e. distance between the centre point
and major axis point of the position accuracy ellipse.
* semiMinorAxisLength of type [**SemiAxisLength**](#SemiAxisLength) <br>
half of length of the minor axis, i.e. distance between the centre point
and minor axis point of the position accuracy ellipse.
* semiMajorAxisOrientation of type [**Wgs84AngleValue**](#Wgs84AngleValue) <br>
orientation direction of the ellipse major axis of the position accuracy
ellipse with regards to the WGS84 north.
The specific WGS84 coordinate system is specified by the corresponding standards applying this DE.
**Categories**: GeoReference information
**Revision**: _created in V2.1.1 based on [**PosConfidenceEllipse**](#PosConfidenceEllipse)_
```asn1
PositionConfidenceEllipse ::= SEQUENCE {
semiMajorAxisLength SemiAxisLength,
semiMinorAxisLength SemiAxisLength,
semiMajorAxisOrientation Wgs84AngleValue
}
```
### <a name="PositionOfPillars"></a>PositionOfPillars
This DF shall contain a list of distances [**PosPillar**](#PosPillar) that refer to the perpendicular distance between centre of vehicle front bumper
and vehicle pillar A, between neighbour pillars until the last pillar of the vehicle.
Vehicle pillars refer to the vertical or near vertical support of vehicle,
designated respectively as the A, B, C or D and other pillars moving in side profile view from the front to rear.
The first value of the DF refers to the perpendicular distance from the centre of vehicle front bumper to
vehicle A pillar. The second value refers to the perpendicular distance from the centre position of A pillar
to the B pillar of vehicle and so on until the last pillar.
**Categories**: Vehicle information
**Revision**: _V1.3.1_
```asn1
PositionOfPillars ::= SEQUENCE (SIZE(1..3, ...)) OF PosPillar
```
### <a name="ProtectedCommunicationZone"></a>ProtectedCommunicationZone
This DF describes a zone of protection inside which the ITS communication should be restricted.
* protectedZoneType of type [**ProtectedZoneType**](#ProtectedZoneType) <br>
* expiryTime of type [**TimestampIts**](#TimestampIts) OPTIONAL<br>
optional time at which the validity of the protected communication zone will expire.
* protectedZoneLatitude of type [**Latitude**](#Latitude) <br>
latitude of the centre point of the protected communication zone.
* protectedZoneLongitude of type [**Longitude**](#Longitude) <br>
longitude of the centre point of the protected communication zone.
* protectedZoneRadius of type [**ProtectedZoneRadius**](#ProtectedZoneRadius) OPTIONAL<br>
optional radius of the protected communication zone in metres.
* protectedZoneId of type [**ProtectedZoneId**](#ProtectedZoneId) OPTIONAL<br>
the optional ID of the protected communication zone.
**Categories**: Infrastructure information Communication information
**Revision**: _revised in V2.1.1 (changed protectedZoneID to protectedZoneId)_
>>>
NOTE: A protected communication zone may be defined around a CEN DSRC road side equipment.
>>>
```asn1
ProtectedCommunicationZone ::= SEQUENCE {
protectedZoneType ProtectedZoneType,
expiryTime TimestampIts OPTIONAL,
protectedZoneLatitude Latitude,
protectedZoneLongitude Longitude,
protectedZoneRadius ProtectedZoneRadius OPTIONAL,
...
}
```
### <a name="ProtectedCommunicationZonesRSU"></a>ProtectedCommunicationZonesRSU
This DF shall contain a list of [**ProtectedCommunicationZone**](#ProtectedCommunicationZone) provided by a road side ITS-S (Road Side Unit RSU).
It may provide up to 16 protected communication zones information.
**Categories**: Infrastructure information Communication information
**Revision**: _V1.3.1_
```asn1
ProtectedCommunicationZonesRSU ::= SEQUENCE (SIZE(1..16)) OF ProtectedCommunicationZone
```
### <a name="PtActivation"></a>PtActivation
This DF represents activation data for real-time systems designed for operations control, traffic light priorities, track switches, barriers, etc.
using a range of activation devices equipped in public transport vehicles.
The activation of the corresponding equipment is triggered by the approach or passage of a public transport
vehicle at a certain point (e.g. a beacon).
* ptActivationType of type [**PtActivationType**](#PtActivationType) <br>
type of activation.
* ptActivationData of type [**PtActivationData**](#PtActivationData) <br>
Today there are different payload variants defined for public transport activation-data. The R09.x is one of
the industry standard used by public transport vehicles (e.g. buses, trams) in Europe (e.g. Germany Austria)
for controlling traffic lights, barriers, bollards, etc. This DF shall include information like route, course,
The R09.x content is defined in VDV recommendation 420 [i.7]. It includes following information:
7334
7335
7336
7337
7338
7339
7340
7341
7342
7343
7344
7345
7346
7347
7348
7349
7350
7351
7352
7353
7354
7355
- Priority Request Information (pre-request, request, ready to start)
- End of Prioritization procedure
- Priority request direction
- Public Transport line number
- Priority of public transport
- Route line identifier of the public transport
- Route number identification
- Destination of public transport vehicle
Other countries may use different message sets defined by the local administration.
**Categories**: Vehicle information
**Revision**: _V1.3.1_
```asn1
PtActivation ::= SEQUENCE {
ptActivationType PtActivationType,
ptActivationData PtActivationData
}
```
### <a name="RadialShape"></a>RadialShape
This DF describes a radial shape. The triangular or cone-shaped volume is
constructed by sweeping the provided range about the reference point between a horizontal start
and a horizontal end angle in positive angular direction of the WGS84
coordinate system. A vertical opening angle may be provided in a Cartesian coordinate system with
the x-axis located in the North-East plane of the WGS84 coordinate system. The sensor height may
be provided to reflect characteristics of sensors mounted at an altitude (e.g. sensors mounted
above intersections).
* shapeReferencePoint of type [**CartesianPosition3d**](#CartesianPosition3d) OPTIONAL<br>
the optional reference point used for the definition of the shape, relative to an externally specified reference position.
If this component is absent, the externally specified reference position represents the shape´s reference point.
* range of type [**StandardLength12b**](#StandardLength12b) <br>
the radial range of the shape from the shape´s reference point.
* stationaryHorizontalOpeningAngleStart of type [**Wgs84AngleValue**](#Wgs84AngleValue) <br>
shape's horizontal opening angle in positive angular direction with respect to the
* stationaryHorizontalOpeningAngleEnd of type [**Wgs84AngleValue**](#Wgs84AngleValue) <br>
The orientation indicating the end of the shape's
horizontal opening angle in positive angular direction with respect to the WGS84 coordinate system.
* verticalOpeningAngleStart of type [**CartesianAngleValue**](#CartesianAngleValue) OPTIONAL<br>
optional orientation indicating the beginning of the shape`s
opening angle in positive angular direction of a Cartesian coordinate system with its x-axis
located in the north-east plane of the WGS84 coordinate system.
* verticalOpeningAngleEnd of type [**CartesianAngleValue**](#CartesianAngleValue) OPTIONAL<br>
optional orientation indicating the end of the shape's
vertical opening angle in positive angular direction of a Cartesian coordinate system with its x-axis
located in the north-east plane of the WGS84 coordinate system.
**Categories**: GeoReference information
**Revision**: _created in V2.1.1_
```asn1
RadialShape ::= SEQUENCE {
range StandardLength12b,
stationaryHorizontalOpeningAngleStart Wgs84AngleValue,
stationaryHorizontalOpeningAngleEnd Wgs84AngleValue,
verticalOpeningAngleStart CartesianAngleValue OPTIONAL,
verticalOpeningAngleEnd CartesianAngleValue OPTIONAL
}
```
### <a name="RadialShapes"></a>RadialShapes
* refPointId of type [**Identifier1B**](#Identifier1B) <br>
the identification of the reference point in case of a sensor mounted to trailer. Defaults to ITS ReferencePoint (0).
* xCoordinate of type [**CartesianCoordinateSmall**](#CartesianCoordinateSmall) <br>
the x-coordinate of the offset point.
* yCoordinate of type [**CartesianCoordinateSmall**](#CartesianCoordinateSmall) <br>
* zCoordinate of type [**CartesianCoordinateSmall**](#CartesianCoordinateSmall) OPTIONAL<br>
the optional z-coordinate of the offset point.
* radialShapesList of type [**RadialShapesList**](#RadialShapesList) <br>
the list of radial shape details.
**Categories**: Georeference information
**Revision**: _created in V2.1.1_
```asn1
RadialShapes ::= SEQUENCE {
refPointId Identifier1B,
xCoordinate CartesianCoordinateSmall,
yCoordinate CartesianCoordinateSmall,
zCoordinate CartesianCoordinateSmall OPTIONAL,
}
```
### <a name="RadialShapesList"></a>RadialShapesList
The DF contains a list of [**RadialShapeDetails**](#RadialShapeDetails).
**Categories**: Georeference information
**Revision**: _created in V2.1.1_
```asn1
RadialShapesList ::= SEQUENCE SIZE(1..16,...) OF RadialShapeDetails
```
### <a name="RadialShapeDetails"></a>RadialShapeDetails
This DF describes a radial shape details. The triangular or cone-shaped volume is
constructed by sweeping the provided range about the reference point or about the offset
point (if provided) between a horizontal start and a horizontal end angle in positive angular direction of the WGS84
coordinate system. A vertical opening angle may be provided in a Cartesian coordinate system with
the x-axis located in the North-East plane of the WGS84 coordinate system. The sensor height may
be provided to reflect characteristics of sensors mounted at an altitude (e.g. sensors mounted
above intersections).
* range of type [**StandardLength12b**](#StandardLength12b) <br>
the radial range of the sensor from the reference point or sensor point offset.
* horizontalOpeningAngleStart of type [**CartesianAngleValue**](#CartesianAngleValue) <br>
the orientation indicating the beginning of the
shape's horizontal opening angle in positive angular direction.
* horizontalOpeningAngleEnd of type [**CartesianAngleValue**](#CartesianAngleValue) <br>
The orientation indicating the end of the shape's horizontal
opening angle in positive angular direction.
* verticalOpeningAngleStart of type [**CartesianAngleValue**](#CartesianAngleValue) OPTIONAL<br>
optional orientation indicating the beginning of the shape's
vertical opening angle in positive angular direction of a Cartesian coordinate system with its x-axis
located in the north-east plane of the WGS84 coordinate system.
* verticalOpeningAngleEnd of type [**CartesianAngleValue**](#CartesianAngleValue) OPTIONAL<br>
optional orientation indicating the end of the shape's
vertical opening angle in positive angular direction of a Cartesian coordinate system with its x-axis
located in the north-east plane of the WGS84 coordinate system.
**Categories**: Georeference information
**Revision**: _created in V2.1.1_
```asn1
RadialShapeDetails ::= SEQUENCE {
range StandardLength12b,
horizontalOpeningAngleStart CartesianAngleValue,
horizontalOpeningAngleEnd CartesianAngleValue,
verticalOpeningAngleStart CartesianAngleValue OPTIONAL,
verticalOpeningAngleEnd CartesianAngleValue OPTIONAL
}
```
### <a name="RectangularShape"></a>RectangularShape
This DF represents the shape of a rectangular area or a right rectangular prism that is centred on a reference position defined outside of the context of this DF.
* centerPoint of type [**CartesianPosition3d**](#CartesianPosition3d) OPTIONAL<br>
represents an optional offset point which the rectangle is centred on with respect to the reference position.
* semiLength of type [**StandardLength12b**](#StandardLength12b) <br>
represents half the length of the rectangle.
* semiBreadth of type [**StandardLength12b**](#StandardLength12b) <br>
represents half the breadth of the rectangle.
* orientation of type [**Wgs84AngleValue**](#Wgs84AngleValue) OPTIONAL<br>
represents the optional orientation of the lenght of the rectangle in the WGS84 coordinate system.
The specific WGS84 coordinate system is specified by the corresponding standards applying this DE.
* height of type [**StandardLength12b**](#StandardLength12b) OPTIONAL<br>
represents the optional height, present if the shape is a right rectangular prism with height extending in the positive z-axis.
**Categories**: GeoReference information
**Revision**: _created in V2.1.1_
```asn1
RectangularShape ::= SEQUENCE {
centerPoint CartesianPosition3d OPTIONAL,
semiLength StandardLength12b,
semiBreadth StandardLength12b,
orientation Wgs84AngleValue OPTIONAL,
}
```
### <a name="ReferencePosition"></a>ReferencePosition
A position within a geographic coordinate system together with a confidence ellipse.
* longitude of type [**Longitude**](#Longitude) <br>
the longitude of the geographical point.
* positionConfidenceEllipse of type [**PosConfidenceEllipse**](#PosConfidenceEllipse) <br>
the confidence ellipse associated to the geographical position.
the altitude and an altitude accuracy of the geographical point.
**Categories**: GeoReference information
**Revision**: _description updated in V2.1.1_
>>>
NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**ReferencePositionWithConfidence**](#ReferencePositionWithConfidence) instead.
>>>
```asn1
ReferencePosition ::= SEQUENCE {
latitude Latitude,
longitude Longitude,
positionConfidenceEllipse PosConfidenceEllipse,
altitude Altitude
}
```
### <a name="ReferencePositionWithConfidence"></a>ReferencePositionWithConfidence
A position within a geographic coordinate system together with a confidence ellipse.
It shall include the following components:
* longitude of type [**Longitude**](#Longitude) <br>
the longitude of the geographical point.
* positionConfidenceEllipse of type [**PositionConfidenceEllipse**](#PositionConfidenceEllipse) <br>
the confidence ellipse associated to the geographical position.
the altitude and an altitude accuracy of the geographical point.
**Categories**: GeoReference information
**Revision**: _created in V2.1.1 based on [**ReferencePosition**](#ReferencePosition) but using [**PositionConfidenceEllipse**](#PositionConfidenceEllipse)._
```asn1
ReferencePositionWithConfidence ::= SEQUENCE {
latitude Latitude,
longitude Longitude,
positionConfidenceEllipse PositionConfidenceEllipse,
altitude Altitude
}
```
### <a name="RestrictedTypes"></a>RestrictedTypes
This DF shall contain a list of [**StationType**](#StationType). to which a certain traffic restriction, e.g. the speed limit, applies.
**Categories**: Infrastructure information Traffic information
**Revision**: _V1.3.1_
```asn1
RestrictedTypes ::= SEQUENCE (SIZE(1..3, ...)) OF StationType
```
### <a name="RoadSegmentReferenceId"></a>RoadSegmentReferenceId
* region of type [**Identifier2B**](#Identifier2B) OPTIONAL<br>
the optional identifier of the entity that is responsible for the region in which the road segment is placed.
It is the duty of that entity to guarantee that the [**Id**](#Id) is unique within the region.
* id of type [**Identifier2B**](#Identifier2B) <br>
**Categories**: GeoReference information
**Revision**: _created in V2.1.1_
>>>
NOTE: when the component region is present, the RoadSegmentReferenceId is guaranteed to be globally unique.
>>>
```asn1
RoadSegmentReferenceId ::= SEQUENCE {
region Identifier2B OPTIONAL,
id Identifier2B
}
```
### <a name="SafeDistanceIndication"></a>SafeDistanceIndication
This DF provides the safe distance indication of a traffic participant with other traffic participant(s).
* subjectStation of type [**StationId**](#StationId) OPTIONAL<br>
optionally indicates one "other" traffic participant identified by its ITS-S.
* safeDistanceIndicator of type [**SafeDistanceIndicator**](#SafeDistanceIndicator) <br>
indicates whether the distance between the ego ITS-S and the traffic participant(s) is safe.
If subjectStation is present then it indicates whether the distance between the ego ITS-S and the traffic participant indicated in the component subjectStation is safe.
* timeToCollision of type [**DeltaTimeTenthOfSecond**](#DeltaTimeTenthOfSecond) OPTIONAL<br>
optionally indicated the time-to-collision calculated as sqrt(LaDi<sup>2</sup> + LoDi<sup>2</sup> + VDi<sup>2</sup>)/relative speed
and represented in the nearest 100 ms. This component may be present only if subjectStation is present.
**Categories**: Traffic information Kinematic information
**Revision**: _created in V2.1.1_
>>>
NOTE: the abbreviations used are Lateral Distance (LaD), Longitudinal Distance (LoD) and Vertical Distance (VD)
and their respective thresholds, Minimum Safe Lateral Distance (MSLaD), Minimum Safe Longitudinal Distance (MSLoD), and Minimum Safe Vertical Distance (MSVD).
```asn1
SafeDistanceIndication ::= SEQUENCE {
safeDistanceIndicator SafeDistanceIndicator,
timeToCollision DeltaTimeTenthOfSecond OPTIONAL,
...
}
```
### <a name="SequenceOfCartesianPosition3d"></a>SequenceOfCartesianPosition3d
This DF shall contain a list of DF [**CartesianPosition3d**](#CartesianPosition3d).
**Categories**: GeoReference information
**Revision**: _created in V2.1.1_
```asn1
SequenceOfCartesianPosition3d ::= SEQUENCE (SIZE(1..16, ...)) OF CartesianPosition3d
```
### <a name="SequenceOfIdentifier1B"></a>SequenceOfIdentifier1B
The DF contains a list of DE [**Identifier1B**](#Identifier1B).
**Categories**: Basic information
**Revision**: _created in V2.1.1_
```asn1
SequenceOfIdentifier1B ::= SEQUENCE SIZE(1..128, ...) OF Identifier1B
```
### <a name="SequenceOfSafeDistanceIndication"></a>SequenceOfSafeDistanceIndication
The DF contains a list of DF [**SafeDistanceIndication**](#SafeDistanceIndication).
**Categories**: Traffic information Kinematic information
**Revision**: _created in V2.1.1_
```asn1
SequenceOfSafeDistanceIndication ::= SEQUENCE(SIZE(1..8,...)) OF SafeDistanceIndication
```
### <a name="SequenceOfTrajectoryInterceptionIndication"></a>SequenceOfTrajectoryInterceptionIndication
The DF shall contain a list of DF [**TrajectoryInterceptionIndication**](#TrajectoryInterceptionIndication).
**Categories**: Traffic information Kinematic information
**Revision**: _created in V2.1.1_
```asn1
SequenceOfTrajectoryInterceptionIndication ::= SEQUENCE (SIZE(1..8,...)) OF TrajectoryInterceptionIndication
This DF provides the definition of a geographical area or volume, based on different options.
* rectangular of type [**RectangularShape**](#RectangularShape) <br>
definition of an rectangular area or a right rectangular prism (with a rectangular base) also called a cuboid, or informally a rectangular box.
* circular of type [**CircularShape**](#CircularShape) <br>
definition of an area of circular shape or a right circular cylinder.
* polygonal of type [**PolygonalShape**](#PolygonalShape) <br>
definition of an area of polygonal shape or a right prism.
* elliptical of type [**EllipticalShape**](#EllipticalShape) <br>
definition of an area of elliptical shape or a right elliptical cylinder.
* radial of type [**RadialShape**](#RadialShape) <br>
* radialShapes of type [**RadialShapes**](#RadialShapes) <br>
**Categories**: GeoReference information
**Revision**: _Created in V2.1.1_
```asn1
Shape::= CHOICE {
rectangular RectangularShape,
circular CircularShape,
polygonal PolygonalShape,
elliptical EllipticalShape,
radial RadialShape,
radialShapes RadialShapes,
...
}
```
### <a name="Speed"></a>Speed
This DF represents the speed and associated confidence value.
* speedValue of type [**SpeedValue**](#SpeedValue) <br>
* speedConfidence of type [**SpeedConfidence**](#SpeedConfidence) <br>
**Categories**: Kinematic information
**Revision**: _V1.3.1_
```asn1
Speed ::= SEQUENCE {
speedValue SpeedValue,
speedConfidence SpeedConfidence
}
```
### <a name="StabilityChangeIndication"></a>StabilityChangeIndication
This DF provides the indication of change in stability.
* lossProbability of type [**StabilityLossProbability**](#StabilityLossProbability) <br>
* actionDeltaTime of type [**DeltaTimeTenthOfSecond**](#DeltaTimeTenthOfSecond) <br>
the period over which the the probability of stability loss is estimated.
**Categories**: Kinematic information
**Revision**: _V2.1.1_
```asn1
StabilityChangeIndication ::= SEQUENCE {
lossProbability StabilityLossProbability,
actionDeltaTime DeltaTimeTenthOfSecond,
...
}
```
### <a name="SteeringWheelAngle"></a>SteeringWheelAngle
This DF represents the steering wheel angle of the vehicle at certain point in time.
* steeringWheelAngleValue of type [**SteeringWheelAngleValue**](#SteeringWheelAngleValue) <br>
* steeringWheelAngleConfidence of type [**SteeringWheelAngleConfidence**](#SteeringWheelAngleConfidence) <br>
confidence value of the steering wheel angle value.
**Categories**: Vehicle information
**Revision**: _Created in V2.1.1_
```asn1
SteeringWheelAngle ::= SEQUENCE {
steeringWheelAngleValue SteeringWheelAngleValue,
steeringWheelAngleConfidence SteeringWheelAngleConfidence
}
```
### <a name="Traces"></a>Traces
This DF represents one or more paths using [**PathHistory**](#PathHistory).
**Categories**: GeoReference information
**Revision**: _Description revised in V2.1.1. Is is now based on Path and not on PathHistory_
```asn1
Traces ::= SEQUENCE SIZE(1..7) OF Path
```
### <a name="TrafficIslandPosition"></a>TrafficIslandPosition
Ths DF represents the a position on a traffic island between two lanes.
* oneSide of type [**LanePositionAndType**](#LanePositionAndType) <br>
* otherSide of type [**LanePositionAndType**](#LanePositionAndType) <br>
represents the other lane.
**Categories**: Road Topology information
**Revision**: _Created in V2.1.1_
```asn1
TrafficIslandPosition ::= SEQUENCE {
oneSide LanePositionAndType,
otherSide LanePositionAndType,
...
}
```
### <a name="TrailerData"></a>TrailerData
This DF provides detailed information about an attached trailer.
* refPointId of type [**Identifier1B**](#Identifier1B) <br>
identifier of the reference point of the trailer.
* hitchPointOffset of type [**StandardLength1B**](#StandardLength1B) <br>
optional position of the hitch point in negative x-direction (according to ISO 8855) from the
vehicle Reference Point.
* frontOverhang of type [**StandardLength1B**](#StandardLength1B) OPTIONAL<br>
optional length of the trailer overhang in the positive x direction (according to ISO 8855) from the
trailer Reference Point indicated by the refPointID. The value defaults to 0 in case the trailer
is not overhanging to the front with respect to the trailer reference point.
* rearOverhang of type [**StandardLength1B**](#StandardLength1B) OPTIONAL<br>
optional length of the trailer overhang in the negative x direction (according to ISO 8855) from the
trailer Reference Point indicated by the refPointID.
* trailerWidth of type [**VehicleWidth**](#VehicleWidth) OPTIONAL<br>
* hitchAngle of type [**CartesianAngle**](#CartesianAngle) <br>
optional Value and confidence value of the angle between the trailer orientation (corresponding to the x
direction of the ISO 8855 [2] coordinate system centered on the trailer) and the direction of
the segment having as end points the reference point of the trailer and the reference point of
the pulling vehicle, which can be another trailer or a vehicle looking on the horizontal plane
xy, described in the local Cartesian coordinate system of the trailer. The
angle is measured with negative values considering the trailer orientation turning clockwise
starting from the segment direction. The angle value accuracy is provided with the
confidence level of 95 %.
**Categories**: Vehicle information
**Revision**: _Created in V2.1.1_
```asn1
TrailerData ::= SEQUENCE {
refPointId Identifier1B,
hitchPointOffset StandardLength1B,
frontOverhang StandardLength1B OPTIONAL,
rearOverhang StandardLength1B OPTIONAL,
trailerWidth VehicleWidth OPTIONAL,
hitchAngle CartesianAngle,
...
}
```
### <a name="TrajectoryInterceptionIndication"></a>TrajectoryInterceptionIndication
This DF provides the trajectory interception indication of ego-VRU ITS-S with another ITS-Ss.
* subjectStation of type [**StationId**](#StationId) OPTIONAL<br>