SPAT syntax fix. Editorials

* bypassing the conflict area and ending in an egress lane without signalization). Within a road segment,

* it is used to combine two or multiple physical lanes into a single lane object.

*

* @field connectingLane: 

* @field remoteIntersection: When the data element `remoteIntersection` is used, it indicates

*                            that the connecting lane belongs to another intersection. (see clause [ISO TS 19091] G.9.1 for further explannations).

*                            that the connecting lane belongs to another intersection. 

*                            (see clause [ISO TS 19091] G.9.1 for further explainations).

* @field signalGroup: 

* @field userClass: 

* @field connectionID: 

*

* @category: Infrastructure information

* @revision: V1.3.1

* path data.

*

* @field utcTime:   time with mSec precision

*

* @field long:      Longitude in 1/10th microdegree

*

* @field lat:       Latitude in 1/10th microdegree

*

* @field elevation: Elevation in units of 0.1 m

* @field heading:   Heading value 

* @field speed:     Speed value

* @field posAccuracy:      position accuracy

* @field timeConfidence:   time confidence

* @field posConfidence:    position confidence

* @field speedConfidence:  speed confidence 

*

* @category: Infrastructure information

* @revision: V1.3.1

*/

FullPositionVector ::= SEQUENCE {

   utcTime             DDateTime OPTIONAL,   -- time with mSec precision

   utcTime             DDateTime OPTIONAL,

   long                Longitude,

   lat                 Latitude,

   elevation           Elevation  OPTIONAL,

*

* @field laneCrownPointRight: sets the canter of the road bed from right edge

*

* @field laneAngle: the angle or direction of another lane this is required to support Japan style

*                   when a merge point angle is required

* @field laneAngle: the angle or direction of another lane this is required when a merge point angle is required

*

* @field speedLimits: Reference regulatory speed limits used by all segments

* @field regional: optional region specific data.

*  - stopLine:             point where a mid-path stop line exists. See also 'do not block' for segments

*  - roundedCapStyleA:     Used to control final path rounded end shape with edge of curve at final point in a circle

*  - roundedCapStyleB:     Used to control final path rounded end shape with edge of curve extending 50% of width past final point in a circle

*  - mergePoint:           Japan merge with 1 or more lanes

*  - divergePoint:         Japan diverge with 1 or more lanes

*  - downstreamStopLine:   Japan style downstream intersection (a 2nd intersection) stop line

*  - downstreamStartNode:  Japan style downstream intersection (a 2nd intersection) start node

*  - mergePoint:           merge with 1 or more lanes

*  - divergePoint:         diverge with 1 or more lanes

*  - downstreamStopLine:   downstream intersection (a 2nd intersection) stop line

*  - downstreamStartNode:  downstream intersection (a 2nd intersection) start node

*  - closedToTraffic:      where a pedestrian may NOT go to be used during construction events

*  - safeIsland:           a pedestrian safe stopping point also called a traffic island

*                          This usage described a point feature on a path, other entries can describe a path

*  - curbPresentAtStepOff: the sidewalk to street curb is NOT angled where it meets the edge of the roadway (user must step up/down)

*  - hydrantPresent:       Or other services access

*

* @note: See usage examples in [ISO TS 19091] G.8.2.8

* @category: Infrastructure information

* @revision: V1.3.1

*/

*

* @field lat: Latitude in 1/10th microdegrees

* @field long: Longitude in 1/10th microdegrees

* @field elevation: The elevation information is defined by the regional extension (see [ISO TS 19091] G.5.1.8). Therefore, the `elevation`

*                   data element of `DF_Position3D` is not used.

* @field elevation: The elevation information is defined by the regional extension (see module ETSI-ITS-DSRC-AddGrpC). 

*                   Therefore, the `elevation` data element of `DF_Position3D` is not used.

* @field regional: optional region specific data.

*

* @category: Infrastructure information

/**

* This DF is a single data frame combining multiple related bit fields into one concept.

*

* @field heading: confidence for heading values

* @field speed: confidence for speed values

* @field throttle: confidence for throttle values 

*

* @category: Infrastructure information

* @revision: V1.3.1

*/

*

* @field startTime: is used to relate when the phase itself started or is expected to start. This in turn allows the

*                   indication that a set of time change details refers to a future phase, rather than a currently active phase.

*                   By this method, timing information about "pre" phase events (which are the short transitional phase used to alert OBEs to

*                   By this method, timing information about "pre" phase events (which are the short transitional phase used to alert OBUs to

*                   an impending green/go or yellow/caution phase) and the longer yellow-caution phase data is supported in the same form

*                   as various green/go phases. In theory, the time change details could be sent for a large sequence of phases if the signal

*                   timing was not adaptive and the operator wished to do so. In practice, it is expected only the "next" future phase will

*                   historical values, detected events (e.g., from inductive loops), or from other sources.

* @field confidence: is used to convey basic confidence data about the likelyTime.

* @field nextTime:   is used to express a general (and presumably less precise) value regarding when this phase will

*                   next occur. This is intended to be used to alert the OBE when the next green/go may occur so that various ECO driving

*                   next occur. This is intended to be used to alert the OBU when the next green/go may occur so that various ECO driving

*                   applications can better manage the vehicle during the intervening stopped time.

*

* @note: Remarks: It should be noted that all times are expressed as absolute values and not as countdown timer values. When

* undefined or unknown a value of 36001 shall be sent. Note that leap seconds are also supported.

*

* The value is tenths of a second in the current or next hour in units of 1/10th second from UTC time

* - A range of 0~36000 covers one hour

* - A range of 0-36000 covers one hour

* - The values 35991..35999 are used when a leap second occurs

* - The value 36000 is used to indicate time >3600 seconds

* - 36001 is to be used when value undefined or unknown

* This DF expresses the speed of the vehicle and the state of the transmission.

* The transmission state of 'reverse' can be used as a sign value for the speed element when needed.

*

* @field transmisson: state of the transmission

* @field speed: speed of the vehicle

*

* @category: Infrastructure information

* @revision: V1.3.1

*/

* exchange is that the value remains constant for the duration of that exchange. Refer to the performance requirements for

* a given application for details.

*

* @field entityID: representation for US stations

* @field stationID: representation for EU stations

*

* @category: Infrastructure information

* @revision: V1.3.1

*/

*

* With bits as defined:

* - `median-RevocableLane` - 0: this lane may be activated or not based on the current SPAT message contents if not asserted, the lane is ALWAYS present

* - Bits 10~15 reserved and set to zero

* - Bits 10-15 reserved and set to zero

*

* @category: Infrastructure information

* @revision: V1.3.1

*                                  next Connection entry represents the 'outbound' flow. And use of RestrictionClassID entries in the Connect follow this same pattern in pairs.

* -`isolatedByBarrier`           - 5: The lane path is isolated by a fixed barrier

* -`unsignalizedSegmentsPresent` - 6: The lane path consists of one of more segments which are not part of a signal group ID

* - Bits 7~15 reserved and set to zero

* - Bits 7-15 reserved and set to zero

*

* @category: Infrastructure information

* @revision: V1.3.1

* - `audioSupport`            - 6:  audio crossing cues present

* - `rfSignalRequestPresent`  - 7: Supports RF push to walk technologies

* - `unsignalizedSegmentsPresent` - 8: The lane path consists of one of more segments which are not part of a signal group ID

* - Bits 9~15 reserved and set to zero

* - Bits 9-15 reserved and set to zero

*

* @category: Infrastructure information

* @revision: V1.3.1

* - `parkingRevocableLane` - 0: this lane may be activated or not based on the current SPAT message contents if not asserted, the lane is ALWAYS present

* - `doNotParkZone`        - 3: used to denote fire hydrants as well as short disruptions in a parking zone

* - `noPublicParkingUse`   - 6: private parking, as in front of private property

* - Bits 7~15 reserved and set to zero*

* - Bits 7-15 reserved and set to zero*

*

*

* @category: Infrastructure information

* - `bicyleUseAllowed`      - 1: The path allows bicycle traffic, if not set, this mode is prohibited

* - `isSidewalkFlyOverLane` - 2: path of lane is not at grade

* - `walkBikes`             - 3: bike traffic must dismount and walk

* - Bits 4~15 reserved and set to zero

* - Bits 4-15 reserved and set to zero

*

* @category: Infrastructure information

* @revision: V1.3.1

* With bits as defined:

* - `stripeToConnectingLanesRevocableLane` - 0: this lane may be activated or not activated based on the current SPAT message contents if not asserted, the lane is ALWAYS present

* - `stripeToConnectingLanesAhead` - 5: the stripe type should be presented to the user visually to reflect stripes in the intersection for the type of movement indicated.

* - Bits 6~15 reserved and set to zero

* - Bits 6-15 reserved and set to zero

*

* @category: Infrastructure information

* @revision: V1.3.1

*

* With bits as defined:

* - `spec-RevocableLane` - 0: this lane may be activated or not based on the current SPAT message contents if not asserted, the lane is ALWAYS present.

* - Bits 5~15 reserved and set to zero

* - Bits 5-15 reserved and set to zero

*

* @category: Infrastructure information

* @revision: V1.3.1

* - `a10cm`       - 12: B'1100 0.10m or about 1 * 10 ^ -6 decimal degrees

* - `a5cm`        - 13: B'1101 0.05m or about 5 * 10 ^ -7 decimal degrees

* - `a2cm`        - 14: B'1110 0.02m or about 2 * 10 ^ -7 decimal degrees

* - `a1cm`        - 15) -- B'1111 0.01m or about 1 * 10 ^ -7 decimal degrees

* - `a1cm`        - 15) B'1111 0.01m or about 1 * 10 ^ -7 decimal degrees

* - Encoded as a 4 bit value

*

* @category: Infrastructure information

*/

RTCM-Revision ::= ENUMERATED {

  unknown  (0),

  rtcmRev2 (1), -- Std 10402.x et al

  rtcmRev3 (2), -- Std 10403.x et al

  rtcmRev2 (1),

  rtcmRev3 (2),

  reserved (3),

  ...

}

* ellipsoid representing the accuracy which can be expected from a GNSS system with respect to the coordinate system.

*

* Value is orientation of semi-major axis

* - relative to true north (0~359.9945078786 degrees)

* - relative to true north (0-359.9945078786 degrees)

* - LSB units of 360/65535 deg = 0.0054932479

* - a value of 0 shall be 0 degrees

* - a value of 1 shall be 0.0054932479 degrees

/**

* This DE is used to provide the 95% confidence level for the currently reported

* value of DE_Speed, taking into account the current calibration and precision of the sensor(s) used to measure and/or

* value of @ref Speed, taking into account the current calibration and precision of the sensor(s) used to measure and/or

* calculate the value. This data element is only to provide the listener with information on the limitations of the sensing

* system, not to support any type of automatic error correction or to imply a guaranteed maximum error. This data element

* should not be used for fault detection or diagnosis, but if a vehicle is able to detect a fault, the confidence interval should

* be increased accordingly. The frame of reference and axis of rotation used shall be in accordance with that defined

* Section 11.

* be increased accordingly.

*

* - 0 - `unavailable` : Not Equipped or unavailable

* - 1 - `prec100ms`   : 100  meters / sec

* @revision: V1.3.1

*/

SpeedConfidenceDSRC ::= ENUMERATED {

   unavailable (0), -- Not Equipped or unavailable

   prec100ms   (1), -- 100  meters / sec

   prec10ms    (2), -- 10   meters / sec

   prec5ms     (3), -- 5    meters / sec

   prec1ms     (4), -- 1    meters / sec

   prec0-1ms   (5), -- 0.1  meters / sec

   prec0-05ms  (6), -- 0.05 meters / sec

   prec0-01ms  (7)  -- 0.01 meters / sec

   unavailable (0),

   prec100ms   (1),

   prec10ms    (2),

   prec5ms     (3),

   prec1ms     (4),

   prec0-1ms   (5),

   prec0-05ms  (6),

   prec0-01ms  (7)

 }

/**

*

* The value 8191 indicates that velocity is unavailable

*

*

* @unit: 0.02 m/s

* @category: Infrastructure information

* @revision: V1.3.1

*/

SPAT

FROM ETSI-ITS-DSRC {

  itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) ts103301 (103301) dsrc (6) major-version-2 (2) minor-version-1 (1)

  itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) ts103301 (103301) dsrc (6) version2 (2)

}

WITH SUCCESSORS

* _connectingLane_ of type [**ConnectingLane**](#ConnectingLane) <br>

* _remoteIntersection_ of type [**IntersectionReferenceID**](#IntersectionReferenceID)  OPTIONAL<br>

  When the data element `remoteIntersection` is used, it indicates

                              that the connecting lane belongs to another intersection. (see clause [ISO TS 19091] G.9.1 for further explannations).

                              that the connecting lane belongs to another intersection. 

                              (see clause [ISO TS 19091] G.9.1 for further explainations).

* _signalGroup_ of type [**SignalGroupID**](ETSI-ITS-DSRC.md#SignalGroupID)  OPTIONAL<br>

* _userClass_ of type [**RestrictionClassID**](#RestrictionClassID)  OPTIONAL<br>

  Elevation in units of 0.1 m

* _heading_ of type [**HeadingDSRC**](#HeadingDSRC)  OPTIONAL<br>

  Heading value 

* _speed_ of type [**TransmissionAndSpeed**](#TransmissionAndSpeed)  OPTIONAL<br>

  Speed value

* _posAccuracy_ of type [**PositionalAccuracy**](#PositionalAccuracy)  OPTIONAL<br>

  position accuracy

* _timeConfidence_ of type [**TimeConfidence**](#TimeConfidence)  OPTIONAL<br>

  time confidence

* _posConfidence_ of type [**PositionConfidenceSet**](#PositionConfidenceSet)  OPTIONAL<br>

  position confidence

* _speedConfidence_ of type [**SpeedandHeadingandThrottleConfidence**](#SpeedandHeadingandThrottleConfidence)  OPTIONAL<br>

  speed confidence 

    **Categories:** Infrastructure information 

  sets the canter of the road bed from right edge

* _laneAngle_ of type [**MergeDivergeNodeAngle**](#MergeDivergeNodeAngle) <br>

  the angle or direction of another lane this is required to support Japan style

                     when a merge point angle is required

  the angle or direction of another lane this is required when a merge point angle is required

* _speedLimits_ of type [**SpeedLimitList**](#SpeedLimitList) <br>

  Reference regulatory speed limits used by all segments

  - stopLine:             point where a mid-path stop line exists. See also 'do not block' for segments

  - roundedCapStyleA:     Used to control final path rounded end shape with edge of curve at final point in a circle

  - roundedCapStyleB:     Used to control final path rounded end shape with edge of curve extending 50% of width past final point in a circle

  - mergePoint:           Japan merge with 1 or more lanes

  - divergePoint:         Japan diverge with 1 or more lanes

  - downstreamStopLine:   Japan style downstream intersection (a 2nd intersection) stop line

  - downstreamStartNode:  Japan style downstream intersection (a 2nd intersection) start node

  - mergePoint:           merge with 1 or more lanes

  - divergePoint:         diverge with 1 or more lanes

  - downstreamStopLine:   downstream intersection (a 2nd intersection) stop line

  - downstreamStartNode:  downstream intersection (a 2nd intersection) start node

  - closedToTraffic:      where a pedestrian may NOT go to be used during construction events

  - safeIsland:           a pedestrian safe stopping point also called a traffic island

                          This usage described a point feature on a path, other entries can describe a path

    **Categories:** Infrastructure information 

    **Revision:** _V1.3.1_

>>>

NOTE: See usage examples in [ISO TS 19091] G.8.2.8

>>>

```asn1

NodeAttributeXY ::= ENUMERATED {

  reserved,

  Longitude in 1/10th microdegrees

* _elevation_ of type [**Elevation**](#Elevation)   OPTIONAL<br>

  The elevation information is defined by the regional extension (see [ISO TS 19091] G.5.1.8). Therefore, the `elevation`

                     data element of `DF_Position3D` is not used.

  The elevation information is defined by the regional extension (see module ETSI-ITS-DSRC-AddGrpC). 

                     Therefore, the `elevation` data element of `DF_Position3D` is not used.

* _regional_ of type **SEQUENCE**  (SIZE(1..4)) OF<br>

  optional region specific data.

This DF is a single data frame combining multiple related bit fields into one concept.

* _heading_ of type [**HeadingConfidenceDSRC**](#HeadingConfidenceDSRC) <br>

  confidence for heading values

* _speed_ of type [**SpeedConfidenceDSRC**](#SpeedConfidenceDSRC) <br>

  confidence for speed values

* _throttle_ of type [**ThrottleConfidence**](#ThrottleConfidence) <br>

  confidence for throttle values 

    **Categories:** Infrastructure information 

* _startTime_ of type [**TimeMark**](#TimeMark)                OPTIONAL<br>

  is used to relate when the phase itself started or is expected to start. This in turn allows the

                     indication that a set of time change details refers to a future phase, rather than a currently active phase.

                     By this method, timing information about "pre" phase events (which are the short transitional phase used to alert OBEs to

                     By this method, timing information about "pre" phase events (which are the short transitional phase used to alert OBUs to

                     an impending green/go or yellow/caution phase) and the longer yellow-caution phase data is supported in the same form

                     as various green/go phases. In theory, the time change details could be sent for a large sequence of phases if the signal

                     timing was not adaptive and the operator wished to do so. In practice, it is expected only the "next" future phase will

* _nextTime_ of type [**TimeMark**](#TimeMark)                OPTIONAL<br>

  is used to express a general (and presumably less precise) value regarding when this phase will

                     next occur. This is intended to be used to alert the OBE when the next green/go may occur so that various ECO driving

                     next occur. This is intended to be used to alert the OBU when the next green/go may occur so that various ECO driving

                     applications can better manage the vehicle during the intervening stopped time.

 undefined or unknown a value of 36001 shall be sent. Note that leap seconds are also supported.

 The value is tenths of a second in the current or next hour in units of 1/10th second from UTC time

 - A range of 0~36000 covers one hour

 - A range of 0-36000 covers one hour

 - The values 35991..35999 are used when a leap second occurs

 - The value 36000 is used to indicate time >3600 seconds

 - 36001 is to be used when value undefined or unknown

 The transmission state of 'reverse' can be used as a sign value for the speed element when needed.

* _transmisson_ of type [**TransmissionState**](#TransmissionState) <br>

  state of the transmission

* _speed_ of type [**Velocity**](#Velocity) <br>

  speed of the vehicle

    **Categories:** Infrastructure information 

 a given application for details.

* _entityID_ of type [**TemporaryID**](#TemporaryID) <br>

  representation for US stations

* _stationID_ of type [**StationID**](ETSI-ITS-CDD.md#StationID) <br>

  representation for EU stations

    **Categories:** Infrastructure information 

 With bits as defined:

 - `median-RevocableLane` - 0: this lane may be activated or not based on the current SPAT message contents if not asserted, the lane is ALWAYS present

 - Bits 10~15 reserved and set to zero

 - Bits 10-15 reserved and set to zero

Values:

* **median-RevocableLane** (0)<br>

                                  next Connection entry represents the 'outbound' flow. And use of RestrictionClassID entries in the Connect follow this same pattern in pairs.

 -`isolatedByBarrier`           - 5: The lane path is isolated by a fixed barrier

 -`unsignalizedSegmentsPresent` - 6: The lane path consists of one of more segments which are not part of a signal group ID

 - Bits 7~15 reserved and set to zero

 - Bits 7-15 reserved and set to zero

Values:

* **bikeRevocableLane** (0)<br>

 - `audioSupport`            - 6:  audio crossing cues present

 - `rfSignalRequestPresent`  - 7: Supports RF push to walk technologies

 - `unsignalizedSegmentsPresent` - 8: The lane path consists of one of more segments which are not part of a signal group ID

 - Bits 9~15 reserved and set to zero

 - Bits 9-15 reserved and set to zero

Values:

* **crosswalkRevocableLane** (0)<br>

 - `parkingRevocableLane` - 0: this lane may be activated or not based on the current SPAT message contents if not asserted, the lane is ALWAYS present

 - `doNotParkZone`        - 3: used to denote fire hydrants as well as short disruptions in a parking zone

 - `noPublicParkingUse`   - 6: private parking, as in front of private property

 - Bits 7~15 reserved and set to zero*

 - Bits 7-15 reserved and set to zero*

Values:

* **parkingRevocableLane** (0)<br>

 - `bicyleUseAllowed`      - 1: The path allows bicycle traffic, if not set, this mode is prohibited

 - `isSidewalkFlyOverLane` - 2: path of lane is not at grade

 - `walkBikes`             - 3: bike traffic must dismount and walk

 - Bits 4~15 reserved and set to zero

 - Bits 4-15 reserved and set to zero

Values:

* **sidewalk-RevocableLane** (0)<br>

 With bits as defined:

 - `stripeToConnectingLanesRevocableLane` - 0: this lane may be activated or not activated based on the current SPAT message contents if not asserted, the lane is ALWAYS present

 - `stripeToConnectingLanesAhead` - 5: the stripe type should be presented to the user visually to reflect stripes in the intersection for the type of movement indicated.

 - Bits 6~15 reserved and set to zero

 - Bits 6-15 reserved and set to zero

Values:

* **stripeToConnectingLanesRevocableLane** (0)<br>

 With bits as defined:

 - `spec-RevocableLane` - 0: this lane may be activated or not based on the current SPAT message contents if not asserted, the lane is ALWAYS present.

 - Bits 5~15 reserved and set to zero

 - Bits 5-15 reserved and set to zero

Values:

* **spec-RevocableLane** (0)<br>

 - `a10cm`       - 12: B'1100 0.10m or about 1 * 10 ^ -6 decimal degrees

 - `a5cm`        - 13: B'1101 0.05m or about 5 * 10 ^ -7 decimal degrees

 - `a2cm`        - 14: B'1110 0.02m or about 2 * 10 ^ -7 decimal degrees

 - `a1cm`        - 15) -- B'1111 0.01m or about 1 * 10 ^ -7 decimal degrees

 - `a1cm`        - 15) B'1111 0.01m or about 1 * 10 ^ -7 decimal degrees

 - Encoded as a 4 bit value

Values:

 ellipsoid representing the accuracy which can be expected from a GNSS system with respect to the coordinate system.

 Value is orientation of semi-major axis

 - relative to true north (0~359.9945078786 degrees)

 - relative to true north (0-359.9945078786 degrees)

 - LSB units of 360/65535 deg = 0.0054932479

 - a value of 0 shall be 0 degrees

 - a value of 1 shall be 0.0054932479 degrees

### <a name="SpeedConfidenceDSRC"></a>SpeedConfidenceDSRC

This DE is used to provide the 95% confidence level for the currently reported

 value of DE_Speed, taking into account the current calibration and precision of the sensor(s) used to measure and/or

 value of [**Speed**](#Speed), taking into account the current calibration and precision of the sensor(s) used to measure and/or

 calculate the value. This data element is only to provide the listener with information on the limitations of the sensing

 system, not to support any type of automatic error correction or to imply a guaranteed maximum error. This data element

 should not be used for fault detection or diagnosis, but if a vehicle is able to detect a fault, the confidence interval should

 be increased accordingly. The frame of reference and axis of rotation used shall be in accordance with that defined

 Section 11.

 be increased accordingly.

 - 0 - `unavailable` : Not Equipped or unavailable

 - 1 - `prec100ms`   : 100  meters / sec