ETSI-ITS-CDD.md

    **Unit**: _1 over 10 000 metres_

    **Categories**: Vehicle information 

    **Revision**: _description revised in V2.1.1 (the definition of value 1022 has changed slightly)_

>>>
NOTE: The present DE is limited to vehicle types as defined in ISO 8855 [2].
>>>
```asn1
CurvatureValue ::= INTEGER {
    outOfRangeNegative (-1023),
    straight           (0),
    outOfRangePositive (1022), 
    unavailable        (1023)
} (-1023..1023)
```


### <a name="DangerousEndOfQueueSubCauseCode"></a>DangerousEndOfQueueSubCauseCode
 This DE represents the value of the sub cause codes of the [**CauseCode**](#CauseCode) `dangerousEndOfQueue`. 
 
 The following value are specified:
 - 0 - `unavailable`     - in case information on the type of dangerous queue is unavailable,
 - 1 - `suddenEndOfQueue`- in case a sudden end of queue is detected, e.g. due to accident or obstacle,
 - 2 - `queueOverHill`   - in case the dangerous end of queue is detected on the road hill,
 - 3 - `queueAroundBend` - in case the dangerous end of queue is detected around the road bend,
 - 4 - `queueInTunnel`   - in case queue is detected in tunnel,
 - 5-255                 - reserved for future usage.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
DangerousEndOfQueueSubCauseCode ::= INTEGER {
    unavailable      (0), 
    suddenEndOfQueue (1), 
    queueOverHill    (2), 
    queueAroundBend  (3), 
    queueInTunnel    (4)
} (0..255)
```


### <a name="DangerousGoodsBasic"></a>DangerousGoodsBasic
 This DE indicates the type of the dangerous goods being carried by a heavy vehicle.
 The value is assigned according to `_class_` and `_division_` definitions of dangerous goods as specified in part II,
 chapter 2.1.1.1 of European Agreement concerning the International Carriage of Dangerous Goods by Road [i.3].
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
DangerousGoodsBasic::= ENUMERATED {
    explosives1                                          (0),
    explosives2                                          (1),
    explosives3                                          (2),
    explosives4                                          (3),
    explosives5                                          (4),
    explosives6                                          (5),
    flammableGases                                       (6),
    nonFlammableGases                                    (7),
    toxicGases                                           (8),
    flammableLiquids                                     (9),
    flammableSolids                                      (10),
    substancesLiableToSpontaneousCombustion              (11),
    substancesEmittingFlammableGasesUponContactWithWater (12),
    oxidizingSubstances                                  (13),
    organicPeroxides                                     (14),
    toxicSubstances                                      (15),
    infectiousSubstances                                 (16),
    radioactiveMaterial                                  (17),
    corrosiveSubstances                                  (18),
    miscellaneousDangerousSubstances                     (19)
}
```


### <a name="DangerousSituationSubCauseCode"></a>DangerousSituationSubCauseCode
 This DE represents the value of the sub cause codes of the [**CauseCode**](#CauseCode) `dangerousSituation` 
 
 The value shall be set to:
 - 0 - `unavailable`                      - in case information on the type of dangerous situation is unavailable,
 - 1 - `emergencyElectronicBrakeEngaged`  - in case emergency electronic brake is engaged,
 - 2 - `preCrashSystemEngaged`            - in case pre-crash system is engaged,
 - 3 - `espEngaged`                       - in case Electronic Stability Program (ESP) system is engaged,
 - 4 - `absEngaged`                       - in case Anti-lock braking system (ABS) is engaged,
 - 5 - `aebEngaged`                       - in case Autonomous Emergency Braking (AEB) system is engaged,
 - 6 - `brakeWarningEngaged`              - in case brake warning is engaged,
 - 7 - `collisionRiskWarningEngaged`      - in case collision risk warning is engaged,
 - 8-255                                  - reserved for future usage.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
DangerousSituationSubCauseCode ::= INTEGER {
    unavailable                     (0), 
    emergencyElectronicBrakeEngaged (1), 
    preCrashSystemEngaged           (2), 
    espEngaged                      (3), 
    absEngaged                      (4), 
    ebEngaged                       (5), 
    brakeWarningEngaged             (6), 
    collisionRiskWarningEngaged     (7)
} (0..255)
```


### <a name="DeltaAltitude"></a>DeltaAltitude
 This DE represents an offset altitude with regards to a defined altitude value.
 It may be used to describe a geographical point with regards to a specific reference geographical position.

 The value shall be set to:
 - `-12700` for values equal to or lower than -127 metres.
 - `n` (`n > -12700` and `n <= 0) for altitude offset n x 0,01 meter below the reference position.
 - `0` for no altitudinal offset.
 - `n` (`n > 0` and `n < 12799`) for altitude offset n x 0,01 meter above the reference position.
 - `12799` for values equal to or greater than 127,99 metres.
 - `12800` when the information is unavailable.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _0.01 metre_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: GeoReference information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _editorial update in V2.1.1_
```asn1
DeltaAltitude ::= INTEGER {
    negativeOutOfRange (-12700),
    positiveOutOfRange (12799),
    unavailable        (12800)
} (-12700..12800)
```


### <a name="DeltaLatitude"></a>DeltaLatitude
 This DE represents an offset latitude with regards to a defined latitude value.
 It may be used to describe a geographical point with regards to a specific reference geographical position.

 The value shall be set to:
 - `n` (`n >= -131071` and `n < 0`) for offset n x 0,1 microdegrees towards the south from the reference position.
 - `0` for no latitudinal offset.
 - `n` (`n > 0` and `n < 131072`) for offset n x 0,1 microdegrees towards the north from the reference position. 
 - `131072` when the information is unavailable.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _0.1 microdegree_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: GeoReference information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _editorial update in V2.1.1_
```asn1
DeltaLatitude ::= INTEGER {
    unavailable (131072)
} (-131071..131072)
```


### <a name="DeltaLongitude"></a>DeltaLongitude
 This DE represents an offset longitude with regards to a defined longitude value.
 It may be used to describe a geographical point with regards to a specific reference geographical position.

 The value shall be set to:
 - `n` (`n >= -131071` and `n < 0`) for offset n x 0,1 microdegrees towards the west from the reference position.
 - `0` for no longitudinal offset.
 - `n` (`n > 0` and `n < 131072`) for offset n x 0,1 microdegrees towards the east from the reference position. 
 - `131072` when the information is unavailable.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _0.1 microdegree_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: GeoReference information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _editorial update in V2.1.1_
```asn1
DeltaLongitude ::= INTEGER {
    unavailable (131072)
} (-131071..131072)
```


### <a name="DeltaTimeHundredthOfSecond"></a>DeltaTimeHundredthOfSecond
 This DE represents a difference in time with respect to a reference time.

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _0,01 s_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Basic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1_
```asn1
DeltaTimeHundredthOfSecond::= INTEGER (1..65535, ...)
```


### <a name="DeltaTimeMilliSecondPos"></a>DeltaTimeMilliSecondPos
 This DE represents a difference in time with respect to a reference time.
 Example: a time interval between two consecutive message transmissions.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _0,001 s_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Basic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1 from the DE TransmissionInterval_
```asn1
DeltaTimeMilliSecondPos ::= INTEGER (1..10000)
```


### <a name="DeltaTimeMilliSecondPosNeg"></a>DeltaTimeMilliSecondPosNeg
 This DE represents a difference in time with respect to a reference time.

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _0,001 s_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Basic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1_
```asn1
DeltaTimeMilliSecondPosNeg ::= INTEGER (-1500..1500)
```


### <a name="DeltaTimeQuarterSecond"></a>DeltaTimeQuarterSecond
 This DE represents a difference in time with respect to a reference time.
 It can be interpreted as the first 8 bytes of a GenerationDeltaTime. To convert it to a [**GenerationDeltaTime**](#GenerationDeltaTime), 
 multiply by 256 (i.e. append a `00` byte)
 

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _256 * 0,001 s_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Basic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1_
```asn1
DeltaTimeQuarterSecond::= INTEGER (1..255)
```


### <a name="DeltaTimeTenthOfSecond"></a>DeltaTimeTenthOfSecond
 This DE represents a  difference in time with respect to a reference time.

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _0,1 s_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Basic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1_
```asn1
DeltaTimeTenthOfSecond::= INTEGER {
    unavailable (127)  
} (0..127)
```


### <a name="DeltaTimeSecond"></a>DeltaTimeSecond
 This DE represents a  difference in time with respect to a reference time.

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _1 s_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Basic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1 from ValidityDuration_
```asn1
DeltaTimeSecond ::= INTEGER  (0..86400)
```


### <a name="Direction"></a>Direction
 This DE indicates a direction with respect to a defined reference direction.
 Example: a reference direction may be implicitly defined by the definition of a geographical zone.

 The value shall be set to:
 - 0 - `sameDirection`     - to indicate the same direction as the reference direction.
 - 1 - `oppositeDirection` - to indicateopposite direction as the reference direction.
 - 2 - `bothDirections`    - to indicate both directions, i.e. the same and the opposite direction.
 - 3 - `unavailable`       - to indicate that the information is unavailable.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: GeoReference information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1_
```asn1
Direction::= INTEGER{
    sameDirection     (0),
    oppositeDirection (1),
    bothDirections    (2),
    unavailable       (3)
 } (0..3)
```


### <a name="DriveDirection"></a>DriveDirection
 This DE indicates in which direction something is moving.

 The value shall be set to:
 - 0 - `forward`     - to indicate it is moving forward.
 - 1 - `backwards`   - to indicate it is moving backwards.
 - 2 - `unavailable` - to indicate that the information is unavailable.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Kinematics information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _editorial update in V2.1.1_
```asn1
DriveDirection ::= ENUMERATED {
    forward     (0), 
    backward    (1), 
    unavailable (2)
}
```


### <a name="DrivingLaneStatus"></a>DrivingLaneStatus
 This DE indicates whether a driving lane is open to traffic.
 
 A lane is counted from inside border of the road excluding the hardshoulder. The size of the bit string shall
 correspond to the total number of the driving lanes in the carriageway.
 
 The numbering is matched to [**LanePosition**](#LanePosition).
 The bit `0` is used to indicate the innermost lane, bit `1` is used to indicate the second lane from inside border.
 
 If a lane is closed to traffic, the corresponding bit shall be set to `1`. Otherwise, it shall be set to `0`.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_

>>>
NOTE: Hard shoulder status is not provided by this DE but in [**HardShoulderStatus**](#HardShoulderStatus).
>>>
```asn1
DrivingLaneStatus ::= BIT STRING (SIZE (1..13))
```


### <a name="EmbarkationStatus"></a>EmbarkationStatus
 This DE indicates whether a vehicle (e.g. public transport vehicle, truck) is under the embarkation process.
 If that is the case, the value is *TRUE*, otherwise *FALSE*.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _editorial update in V2.1.1_
```asn1
EmbarkationStatus ::= BOOLEAN
```


### <a name="EmergencyPriority"></a>EmergencyPriority
 This DE indicates the right of priority requested or assumed by an operating emergency vehicle.
 The right-of-priority bit shall be set to `1` if the corresponding right is requested.
 
 The corresponding bit shall be set to 1 under the following conditions:
 - 0 - `requestForRightOfWay`                  - when the vehicle is requesting/assuming the right of way.
 - 1 - `requestForFreeCrossingAtATrafficLight` - when the vehicle is requesting/assuming the right to pass at a (red) traffic light.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _description revised in V2.1.1_
```asn1
EmergencyPriority ::= BIT STRING {
    requestForRightOfWay                  (0), 
    requestForFreeCrossingAtATrafficLight (1)
} (SIZE(2))
```


### <a name="EmergencyVehicleApproachingSubCauseCode"></a>EmergencyVehicleApproachingSubCauseCode
 This DE represents the value of the sub cause codes of the [**CauseCode**](#CauseCode) "emergencyVehicleApproaching". 
 
 The value shall be set to:
 - 0 - `unavailable`                  - in case further detailed information on the emergency vehicle approaching event 
                                        is unavailable,
 - 1 - `emergencyVehicleApproaching`  - in case an operating emergency vehicle is approaching,
 - 2 -`prioritizedVehicleApproaching` - in case a prioritized vehicle (e.g. bus) is approaching,
 - 3-255                              - reserved for future usage.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
EmergencyVehicleApproachingSubCauseCode ::= INTEGER {
    unavailable                   (0), 
    emergencyVehicleApproaching   (1), 
    prioritizedVehicleApproaching (2)
} (0..255)
```


### <a name="EnergyStorageType"></a>EnergyStorageType
 This DE indicated the type of energy being used and stored in vehicle.

 The corresponding bit shall be set to 1 under the following conditions:
 - 0 - `hydrogenStorage`       - when hydrogen is being used and stored in vehicle.
 - 1 - `electricEnergyStorage` - when electric energy is being used and stored in vehicle.
 - 2 - `liquidPropaneGas`      - when liquid Propane Gas (LPG) is being used and stored in vehicle.   
 - 3 - `compressedNaturalGas ` - when compressedNaturalGas (CNG) is being used and stored in vehicle.
 - 4 - `diesel`                - when diesel is being used and stored in vehicle.
 - 5 - `gasoline`              - when gasoline is being used and stored in vehicle.
 - 6 - `ammonia`               - when ammonia is being used and stored in vehicle.

 - Otherwise, the corresponding bit shall be set to `0`.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _editorial revision in V2.1.1_
```asn1
EnergyStorageType ::= BIT STRING {
    hydrogenStorage       (0), 
    electricEnergyStorage (1), 
    liquidPropaneGas      (2), 
    compressedNaturalGas  (3), 
    diesel                (4), 
    gasoline              (5), 
    ammonia               (6)
}(SIZE(7))
```


### <a name="EuVehicleCategoryL"></a>EuVehicleCategoryL
 This DE represents one of the specific categories in the L category: L1, L2, L3, L4, L5, L6, or L7 according to UNECE/TRANS/WP.29/78/Rev.4 [i.16].
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V2.1.1_
```asn1
EuVehicleCategoryL ::= ENUMERATED { l1, l2, l3, l4, l5, l6, l7 }
```


### <a name="EuVehicleCategoryM"></a>EuVehicleCategoryM
 This DE represents one of the specific categories in the M category: M1, M2, or M3 according to UNECE/TRANS/WP.29/78/Rev.4 [i.16].
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V2.1.1_
```asn1
EuVehicleCategoryM ::= ENUMERATED {m1, m2, m3}
```


### <a name="EuVehicleCategoryN"></a>EuVehicleCategoryN
 This DE represents one of the specific categories in the N category: N1, N2, or N3 according to UNECE/TRANS/WP.29/78/Rev.4 [i.16].
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V2.1.1_
```asn1
EuVehicleCategoryN ::= ENUMERATED {n1, n2, n3}
```


### <a name="EuVehicleCategoryO"></a>EuVehicleCategoryO
 This DE represents one of the specific categories in the O category: O1, O2, O3 or O4 according to UNECE/TRANS/WP.29/78/Rev.4 [i.16].
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V2.1.1_
```asn1
EuVehicleCategoryO ::= ENUMERATED {o1, o2, o3, o4}
```


### <a name="ExteriorLights"></a>ExteriorLights
 This DE describes the status of the exterior light switches of a vehicle.

 The corresponding bit shall be set to 1 under the following conditions:
 - 0 - `lowBeamHeadlightsOn`    - when the low beam head light switch is on.
 - 1 - `highBeamHeadlightsOn`   - when the high beam head light switch is on.
 - 2 - `leftTurnSignalOn`       - when the left turnSignal switch is on.
 - 3 - `rightTurnSignalOn`      - when the right turn signal switch is on.
 - 4 - `daytimeRunningLightsOn` - when the daytime running light switch is on.
 - 5 - `reverseLightOn`         - when the reverse light switch is on.
 - 6 - `fogLightOn`             - when the tail fog light switch is on.
 - 7 - `parkingLightsOn`        - when the parking light switch is on.

 
 If a vehicle is not equipped with a certain light or if the light switch status information is not available,
 the corresponding bit shall be set to `0`.
 
 As the bit value indicates only the state of the switch, the turn signal and hazard signal bit values shall not
 alternate with the blinking interval.
 
 For hazard indicator, the `leftTurnSignalOn` (2) and `rightTurnSignalOn` (3) shall be both set to 1.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Description revised in V2.1.1_

>>>
NOTE: The value of each bit indicates the state of the switch, which commands the corresponding light.
 The bit corresponding to a specific light is set to `1`, when the corresponding switch is turned on,
 either manually by the driver or automatically by a vehicle system. The bit value does not indicate
 if the corresponding lamps are alight or not.
>>>
```asn1
ExteriorLights ::= BIT STRING {
    lowBeamHeadlightsOn      (0),
    highBeamHeadlightsOn     (1),
    leftTurnSignalOn         (2),
    rightTurnSignalOn        (3),
    daytimeRunningLightsOn   (4),
    reverseLightOn           (5),
    fogLightOn               (6),
    parkingLightsOn          (7)
} (SIZE(8))
```


### <a name="GenerationDeltaTime"></a>GenerationDeltaTime
 This DE represents a timestamp based on TimestampIts modulo 65 536.
 This means that generationDeltaTime = TimestampIts mod 65 536.

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Time information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1 based on EN 302 637-2_
```asn1
GenerationDeltaTime ::= INTEGER { oneMilliSec(1) } (0..65535)
```


### <a name="HardShoulderStatus"></a>HardShoulderStatus
 This DE indicates the current status of a hard shoulder: whether it is available for special usage
 (e.g. for stopping or for driving) or closed for all vehicles.
 
 The value shall be set to:
 - 0 - `availableForStopping` - if the hard shoulder is available for stopping in e.g. emergency situations. 
 - 1 - `closed`               - if the hard shoulder is closed and cannot be occupied in any case.
 - 2 - `availableForDriving`  - if the hard shoulder is available for regular driving.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Description revised in V2.1.1_
```asn1
HardShoulderStatus ::= ENUMERATED {
    availableForStopping (0), 
    closed               (1), 
    availableForDriving  (2)}
```


### <a name="HazardousLocation-AnimalOnTheRoadSubCauseCode"></a>HazardousLocation-AnimalOnTheRoadSubCauseCode
 This DE represents the value of the sub cause code of the [**CauseCode**](#CauseCode) `hazardousLocation-AnimalOnTheRoad`.
 
 The value shall be set to:
 - 0 - `unavailable`  - in case further detailed information on the animal on the road event is unavailable,
 - 1 - `wildAnimals`  - in case wild animals are detected on the road,
 - 2 - `herdOfAnimals`- in case herd of animals are detected on the road,
 - 3 - `smallAnimals` - in case small size animal is detected on the road,
 - 4 - `largeAnimals` - in case large size animal is detected on the road,
 - 5-255              - reserved for future usage.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
HazardousLocation-AnimalOnTheRoadSubCauseCode ::= INTEGER {
    unavailable   (0), 
    wildAnimals   (1), 
    herdOfAnimals (2), 
    smallAnimals  (3), 
    largeAnimals  (4)
} (0..255)
```


### <a name="HazardousLocation-DangerousCurveSubCauseCode"></a>HazardousLocation-DangerousCurveSubCauseCode
 This DE represents the sub cause code of the [**CauseCode**](#CauseCode)  `hazardousLocation-DangerousCurve`.
 
 The value shall be set to:
 - 0 - `unavailable`                                        - in case further detailed information on the dangerous curve is unavailable,
 - 1 - `dangerousLeftTurnCurve`                             - in case the dangerous curve is a left turn curve,
 - 2 - `dangerousRightTurnCurve`                            - in case the dangerous curve is a right turn curve,
 - 3 - `multipleCurvesStartingWithUnknownTurningDirection`  - in case of multiple curves for which the starting curve turning direction is not known,
 - 4 - `multipleCurvesStartingWithLeftTurn`                 - in case of multiple curves starting with a left turn curve,
 - 5 - `multipleCurvesStartingWithRightTurn`                - in case of multiple curves stating with a right turn curve,
 - 6-255                                                    - are reserved for future usage.
 
 The definition of whether a curve is dangerous may vary according to region and according to vehicle types/mass
 and vehicle speed driving on the curve. This definition is out of scope of the present document.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
HazardousLocation-DangerousCurveSubCauseCode ::= INTEGER {
    unavailable                                       (0), 
    dangerousLeftTurnCurve                            (1), 
    dangerousRightTurnCurve                           (2), 
    multipleCurvesStartingWithUnknownTurningDirection (3), 
    multipleCurvesStartingWithLeftTurn                (4), 
    multipleCurvesStartingWithRightTurn               (5)
} (0..255)
```


### <a name="HazardousLocation-ObstacleOnTheRoadSubCauseCode"></a>HazardousLocation-ObstacleOnTheRoadSubCauseCode
 This DE represents the value of the sub cause code of the [**CauseCode**](#CauseCode) `hazardousLocation-ObstacleOnTheRoad`. 
 
 The value shall be set to:
 - 0 - `unavailable`    - in case further detailed information on the detected obstacle is unavailable,
 - 1 - `shedLoad`       - in case detected obstacle is large amount of obstacles (shedload),
 - 2 - `partsOfVehicles`- in case detected obstacles are parts of vehicles,
 - 3 - `partsOfTyres`   - in case the detected obstacles are parts of tyres,
 - 4 - `bigObjects`     - in case the detected obstacles are big objects,
 - 5 - `fallenTrees`    - in case the detected obstacles are fallen trees,
 - 6 - `hubCaps`        - in case the detected obstacles are hub caps,
 - 7 - `waitingVehicles`- in case the detected obstacles are waiting vehicles,
 - 8-255                - reserved for future usage.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
HazardousLocation-ObstacleOnTheRoadSubCauseCode ::= INTEGER {
    unavailable     (0), 
    shedLoad        (1), 
    partsOfVehicles (2), 
    partsOfTyres    (3), 
    bigObjects      (4), 
    fallenTrees     (5), 
    hubCaps         (6), 
    waitingVehicles (7)
} (0..255)
```


### <a name="HazardousLocation-SurfaceConditionSubCauseCode"></a>HazardousLocation-SurfaceConditionSubCauseCode
 This DE represents the value of the sub cause code of the [**CauseCode**](#CauseCode) `hazardousLocation-SurfaceCondition`. 
 
The value shall be set to:
 - 0  - `unavailable`     - in case further detailed information on the road surface condition is unavailable,
 - 1  - `rockfalls`       - in case rock falls are detected on the road surface,
 - 2  - `earthquakeDamage`- in case the road surface is damaged by earthquake,
 - 3  - `sewerCollapse`   - in case of sewer collapse on the road surface,
 - 4  - `subsidence`      - in case road surface is damaged by subsidence,
 - 5  - `snowDrifts`      - in case road surface is damaged due to snow drift,
 - 6  - `stormDamage`     - in case road surface is damaged by strong storm,
 - 7  - `burstPipe`       - in case road surface is damaged due to pipe burst,
 - 8  - `volcanoEruption` - in case road surface is damaged due to volcano eruption,
 - 9  - `fallingIce`      - in case road surface damage is due to falling ice,
 - 10 - `fire`            - in case there is fire on or near to the road surface,
 - 11-255                 - reserved for future usage.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
HazardousLocation-SurfaceConditionSubCauseCode ::= INTEGER {
    unavailable      (0), 
    rockfalls        (1), 
    earthquakeDamage (2), 
    sewerCollapse    (3), 
    subsidence       (4), 
    snowDrifts       (5), 
    stormDamage      (6), 
    burstPipe        (7), 
    volcanoEruption  (8), 
    fallingIce       (9), 
    fire             (10)
} (0..255)
```


### <a name="HeadingConfidence"></a>HeadingConfidence
 This DE represents the absolute accuracy of a reported heading value for a confidence level of 95 %.
 
The value shall be set to:
 - `1` if the heading accuracy is equal to or less than 0,1 degree,
 - `n (n > 1 and n < 125)` if the heading accuracy is equal to or less than n x 0,1 degree and more than (n-1) x 0,1 degree,
 - `125` if the heading accuracy is equal to or less than 12,5 degrees,
 - `126` if the heading accuracy is out of range, i.e. greater than 12,5 degrees,
 - `127` if the heading accuracy information is not available.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _0,1 degree_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: GeoReference information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Description revised in V2.1.1_

>>>
NOTE: this DE is kept for backwards compatibility reasons only. It is reccomended to use the [**Wgs84AngleConfidence**](#Wgs84AngleConfidence) instead.
>>>
```asn1
HeadingConfidence ::= Wgs84AngleConfidence
```


### <a name="HeadingValue"></a>HeadingValue
HeadingValue
 This DE represents the orientation of the horizontal velocity vector with regards to the WGS84 north.
 When the information is not available, the DE shall be set to 3 601. The value 3600 shall not be used.


 Unit: 0,1 degree
 Categories: GeoReference information

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Description revised in V2.1.1 (usage of value 3600 specified)_

>>>
NOTE: this DE is kept for backwards compatibility reasons only. It is reccomended to use the [**Wgs84AngleValue**](#Wgs84AngleValue) instead.
>>>
```asn1
HeadingValue ::= Wgs84AngleValue
```


### <a name="HeightLonCarr"></a>HeightLonCarr
 This DE represents the height of the left or right longitude carrier of vehicle from base to top (left or right carrier seen from vehicle
 rear to front). 

 The value shall be set to:
 - `n (n >= 1 and n < 99)` if the height information is equal to or less than n x 0,01 meter and more than (n-1) x 0,01 meter.
 - `99` if the height is out of range, i.e. equal to or greater than 98 cm.
 - `100` if the height information is not available.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Unit**: _0,01 meter_

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Description revised in V2.1.1 (the definition of 99 has changed slightly)_
```asn1
HeightLonCarr ::= INTEGER {
    unavailable(100)
} (1..100)
```


### <a name="HumanPresenceOnTheRoadSubCauseCode"></a>HumanPresenceOnTheRoadSubCauseCode
 This DE represents the value of the sub cause code of the [**CauseCode**](#CauseCode) `humanPresenceOnTheRoad`.
 
 The value shall be set to:
 - 0 - `unavailable`          - in case further detailed information on human presence on the road is unavailable,
 - 1 - `childrenOnRoadway`    - in case children are detected on the road event,
 - 2 - `cyclistOnRoadway`     - in case cyclist presence is detected on the road,
 - 3 - `motorcyclistOnRoadway`- in case motorcyclist presence is detected on the road,
 - 4-255                      - are reserved for future usage.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
HumanPresenceOnTheRoadSubCauseCode ::= INTEGER {
    unavailable           (0), 
    childrenOnRoadway     (1), 
    cyclistOnRoadway      (2), 
    motorcyclistOnRoadway (3)
} (0..255)
```


### <a name="HumanProblemSubCauseCode"></a>HumanProblemSubCauseCode
 This DE represents the value of the sub cause codes of the [**CauseCode**](#CauseCode) "humanProblem".
 
 The value shall be set to:
 - 0 - `unavailable`    - in case further detailed information on human health problem is unavailable,
 - 1 - `glycemiaProblem`- in case human problem is due to glycaemia problem,
 - 2 - `heartProblem`   - in case human problem is due to heart problem,
 - 3-255                - reserved for future usage.
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Traffic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _V1.3.1_
```asn1
HumanProblemSubCauseCode ::= INTEGER {
    unavailable     (0), 
    glycemiaProblem (1), 
    heartProblem    (2)
} (0..255)
```


### <a name="Identifier1B"></a>Identifier1B
 This DE is a general identifier.

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Basic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1_
```asn1
Identifier1B ::= INTEGER (0..255)
```


### <a name="Identifier2B"></a>Identifier2B
 This DE is a general identifier.

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Basic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1_
```asn1
Identifier2B ::= INTEGER (0..65535)
```


### <a name="InformationQuality"></a>InformationQuality
 This DE represents the quality level of provided information.
 
 The value shall be set to:
 - 0 - if the information is unavailable.
 - 1 - if the quality level is lowest
 - `n (n > 1 and n < 7)` if the quality level is n. 
 - 7 - if the quality level is highest
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Basic information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Editorial update in V2.1.1_

>>>
NOTE: Definition of quality level is out of scope of the present document.
>>>
```asn1
InformationQuality ::= INTEGER (0..7)
```


### <a name="InterferenceManagementZoneType"></a>InterferenceManagementZoneType
 This DE defines the type of an interference management zone, so that an ITS-S can 
 assert the actions to do while passing by such zone (e.g. reduce the transmit power in case of a DSRC tolling station).
 It is an extension of the type [**ProtectedZoneType**](#ProtectedZoneType).

 The value shall be set to:
 - 0 - `permanentCenDsrcTolling` - as specified in ETSI TS 102 792 [i.14]
 - 1 - `temporaryCenDsrcTolling` - as specified in ETSI TS 102 792 [i.14]
 - 2 - `unavailable`             - default value. Set to 2 for backwards compatibility with DSRC tolling
 - 3 - `urbanRail(3)`            - as specified in ETSI TS 103 724 [i.13], clause 7
 - 4 - `satelliteStation`        - as specified in ETSI TS 103 724 [i.13], clause 7
 - 5 - `fixedLinks(5)`           - as specified in ETSI TS 103 724 [i.13], clause 7
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Communication information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1_
```asn1
InterferenceManagementZoneType ::= ENUMERATED {
    permanentCenDsrcTolling (0),
    temporaryCenDsrcTolling (1),
    unavailable             (2), 
    urbanRail               (3),      
    satelliteStation        (4),
    fixedLinks              (5), 
    ...
}
```


### <a name="Iso3833VehicleType"></a>Iso3833VehicleType
 This DE represents the vehicle type according to ISO 3833 [3].
 A "term No" refers to the number of the corresponding term and its definition in ISO 3833.

 The value shall be set to:
 - 0	- `passengerCar`              - term No 3.1.1
 - 1	- `saloon`                    - term No 3.1.1.1 (sedan)
 - 2	- `convertibleSaloon`         - term No 3.1.1.2
 - 3	- `pullmanSaloon`             - term No 3.1.1.3
 - 4	- `stationWagon`              - term No 3.1.1.4
 - 5	- `truckStationWagon`         - term No 3.1.1.4.1
 - 6	- `coupe`                     - term No 3.1.1.5 (coupe)
 - 7	- `convertible`               - term No 3.1.1.6 (open tourer, roadstar, spider)
 - 8	- `multipurposePassengerCar`  - term No 3.1.1.7
 - 9	- `forwardControlPassengerCar`- term No 3.1.1.8
 - 10	- `specialPassengerCar`       - term No 3.1.1.9
 - 11	- `bus	(11)`                 - term No 3.1.2
 - 12	- `minibus`                   - term No 3.1.2.1
 - 13	- `urbanBus`                  - term No 3.1.2.2
 - 14	- `interurbanCoach`           - term No 3.1.2.3
 - 15	- `longDistanceCoach`         - term No 3.1.2.4
 - 16	- `articulatedBus`            - term No 3.1.2.5
 - 17	- `trolleyBus	`             - term No 3.1.2.6
 - 18	- `specialBus`                - term No 3.1.2.7
 - 19	- `commercialVehicle	`     - term No 3.1.3
 - 20	- `specialCommercialVehicle`  - term No 3.1.3.1
 - 21	- `specialVehicle	`         - term No 3.1.4
 - 22	- `trailingTowingVehicle	` - term No 3.1.5 (draw-bar tractor)
 - 23	- `semiTrailerTowingVehicle`  - term No 3.1.6 (fifth wheel tractor)
 - 24	- `trailer`                   - term No 3.2.1
 - 25	- `busTrailer`                - term No 3.2.1.1
 - 26	- `generalPurposeTrailer`     - term No 3.2.1.2
 - 27	- `caravan`                   - term No 3.2.1.3
 - 28	- `specialTrailer`            - term No 3.2.1.4
 - 29	- `semiTrailer`               - term No 3.2.2
 - 30	- `busSemiTrailer	`         - term No 3.2.2.1
 - 31	- `generalPurposeSemiTrailer` - term No 3.2.2.2
 - 32	- `specialSemiTrailer`        - term No 3.2.2.3
 - 33	- `roadTrain`                 - term No 3.3.1
 - 34	- `passengerRoadTrain	`     - term No 3.3.2
 - 35	- `articulatedRoadTrain`      - term No 3.3.3
 - 36	- `doubleRoadTrain`           - term No 3.3.4
 - 37	- `compositeRoadTrain`        - term No 3.3.5
 - 38	- `specialRoadTrain`          - term No 3.3.6
 - 39	- `moped`                     - term No 3.4
 - 40	- `motorCycle`                - term No 3.5
 - 41-255                           - reserved for future use
 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Vehicle information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Created in V2.1.1_
```asn1
Iso3833VehicleType ::= INTEGER {
    passengerCar                 (0),
    saloon                       (1),	
    convertibleSaloon            (2),	
    pullmanSaloon                (3),	
    stationWagon                 (4),	
    truckStationWagon            (5),	
    coupe                        (6),
    convertible                  (7),	
    multipurposePassengerCar     (8),	
    forwardControlPassengerCar   (9),	
    specialPassengerCar	         (10),
    bus	                         (11),
    minibus                      (12),	
    urbanBus                     (13),	
    interurbanCoach              (14),	
    longDistanceCoach            (15),	
    articulatedBus               (16),	
    trolleyBus                   (17),
    specialBus                   (18),	
    commercialVehicle            (19),	
    specialCommercialVehicle     (20),
    specialVehicle               (21),	
    trailingTowingVehicle        (22),	
    semiTrailerTowingVehicle     (23),	
    trailer                      (24),	
    busTrailer                   (25),
    generalPurposeTrailer        (26),
    caravan                      (27),	
    specialTrailer               (28),	
    semiTrailer	                 (29),	
    busSemiTrailer               (30),	
    generalPurposeSemiTrailer    (31),
    specialSemiTrailer           (32),	
    roadTrain                    (33),	
    passengerRoadTrain           (34),	
    articulatedRoadTrain         (35),	
    doubleRoadTrain	             (36),
    compositeRoadTrain           (37),	
    specialRoadTrain             (38),	
    moped                        (39),	
    motorCycle                   (40)	
	} (0..255)
```


### <a name="LanePosition"></a>LanePosition
 This DE indicates a transversal position on the carriageway at a specific longitudinal position, in resolution of lanes of the carriageway. 

 For right-hand traffic roads, the value shall be set to:
 - `-1` if the position is off, i.e. besides the road.
 - `0` if the position is on the inner hard shoulder, i.e. the hard should adjacent to the leftmost lane.
 - `n (n >0 and n < 14)`, if the position is on the n-th driving lane counted from the leftmost lane to the rightmost lane of a specific traffic direction. 
 - `14` if the position is on the outer hard shoulder, i.e. the hard should adjacent to rightmost lane (if present).

 For left-hand traffic roads, the value shall be set to:
 - `-1` if the position is off, i.e. besides the road.
 - `0` if the position is on the inner hard shoulder, i.e. the hard should adjacent to the rightmost lane.
 - `n (n >0 and n < 14)`, if the position is on the n-th driving lane counted from the rightmost lane to the leftmost lane of a specific traffic direction. 
 - `14` if the position is on the outer hard shoulder, i.e. the hard should adjacent to leftmost lane (if present).


 If the carriageway allows only traffic in one direction (e.g. in case of dual or multiple carriageway roads), the position is counted from the physical border of the carriageway. 
 If the carriageway allows traffic in both directions and there is no physical delimitation between traffic directions (e.g. on a single carrriageway road), 
 the position is counted from the legal (i.e. optical) separation between traffic directions (horizontal marking). 

&nbsp;&nbsp;&nbsp;&nbsp;**Categories**: Road topology information 

&nbsp;&nbsp;&nbsp;&nbsp;**Revision**: _Description revised in V2.1.1_

>>>
NOTE: in practice this means that the position is counted from "inside" to "outside" no matter which traffic practice is used.
>>>
```asn1
LanePosition ::= INTEGER {
    offTheRoad           (-1), 
    innerHardShoulder    (0), 
    outerHardShoulder    (14) 
} (-1..14)
```