DSRC_REG_D.asn 86.1 KB
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RoadSegment ::=  SEQUENCE {
   name        DescriptiveName OPTIONAL,
   
   id          RoadSegmentReferenceID,
                           -- a globally unique value for the segment
   
   revision    MsgCount,    
				-- Required default values about the descriptions to follow.
				
   refPoint    Position3D-2, -- the reference from which subsequent
                           -- data points are offset until a new
                           -- point is used.
						   
   laneWidth   LaneWidth OPTIONAL,   
                            -- Reference width used by all subsequent 
                            -- lanes unless a new width is given.
							
   speedLimits SpeedLimitList OPTIONAL, 
                            -- Reference regulatory speed limits
                            -- used by all subsequent 
                            -- lanes unless a new speed is given   
                            -- See Remarks under the SpeedAdvice entry 
                            -- for converting and transmitting a speed 
                            -- expressed in MPH to units of 0.1 m/s
				-- Data describing disruptions in the RoadSegment
				-- such as work zones etc will be added here;
				-- The details regarding each lane type in the RoadSegment.
   
   roadLaneSet RoadLaneSetList,   
   
   regional     RegionalRoadSegment OPTIONAL, 
                           -- regional extensions
   ...
   }
 

-- =============================================================================
-- DF_RoadSegmentList (Desc Name) Record 106
RoadSegmentList ::=  SEQUENCE (SIZE(1..32)) OF RoadSegment

 
-- =============================================================================
-- DF_RoadSegmentReferenceID (Desc Name) Record 107
RoadSegmentReferenceID ::=  SEQUENCE {
   region  RoadRegulatorID OPTIONAL,
           -- a globally unique regional assignment value
           -- typical assigned to a regional DOT authority
           -- the value zero shall be used for testing needs
		   
   id      RoadSegmentID
           -- a unique mapping to the road segment
           -- in question within the above region of use
           -- during its period of aggiment and use
           -- note that unlike intserectionID values, 
           -- this value can be reused by the region
   }
 

-- =============================================================================
-- DF_SegmentAttributeList (Desc Name) Record 113
SegmentAttributeList ::=  SEQUENCE (SIZE(1..8)) OF SegmentAttribute
 

-- =============================================================================
-- DF_SpeedLimitList (Desc Name) Record 122
SpeedLimitList ::=  SEQUENCE (SIZE(1..9)) OF RegulatorySpeedLimit
 
-- =============================================================================
-- DF_TimeChangeDetails CHANGED (Desc Name) Record 123
TimeChangeDetails ::=  SEQUENCE {
   startTime   TimeMark           OPTIONAL,
               -- When this phase 1st started
			   
   minEndTime  TimeMark,
               -- Expected shortest end time
			   
   maxEndTime  TimeMark           OPTIONAL,
               -- Expected longer end time
   
   likelyTime  TimeMark           OPTIONAL,
               -- Best predicted value based on other data              
   confidence  TimeIntervalConfidence OPTIONAL,
               -- Applies to above time element only
   
   nextTime    TimeMark           OPTIONAL
               -- A rough estimate of time when 
               -- this phase may next occur again
               -- used to support various ECO driving power 
               -- management needs.
   }
 
-- -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
-- 
-- Start of entries from table Data_Elements...
-- This table typicaly contains data element entries.
-- -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
 
-- =============================================================================
-- DE_AdvisorySpeedType (Desc Name) Record 3
AdvisorySpeedType ::= ENUMERATED {
    none,
    greenwave,
    ecoDrive,
    transit,
    ...  
    }
 
-- =============================================================================
-- DE_AllowedManeuvers (Desc Name) Record 4
-- Region D: Not used e.g. in Europe
-- The information within "maneuver" is not precise
-- Use "connectsTo" for maneuver description
AllowedManeuvers ::= BIT STRING {
    -- With bits as defined:
    -- Allowed and maneuvers at path end (stop line)
    -- All maneuvers with bits not set are therefore prohibited !
    -- A value of zero shall be used for unknown, indicating no Maneuver
	
    maneuverStraightAllowed      (0), 
                                  -- a Straight movement is allowed in this lane
    maneuverLeftAllowed          (1),  
                                 -- a Left Turn movement is allowed in this lane
    maneuverRightAllowed         (2), 
                                 -- a Right Turn movement is allowed in this lane
    maneuverUTurnAllowed         (3), 
                                 -- a U turn movement is allowed in this lane
    maneuverLeftTurnOnRedAllowed (4), 
                                 -- a Stop, and then proceed when safe movement 
                                 -- is allowed in this lane  
    maneuverRightTurnOnRedAllowed (5), 
                                 -- a Stop, and then proceed when safe movement 
                                 -- is allowed in this lane  
    maneuverLaneChangeAllowed    (6), 
                                 -- a movement which changes to an outer lane 
                                 -- on the egress side is allowed in this lane
                                 -- (example: left into either outbound lane)
    maneuverNoStoppingAllowed    (7), 
                                 -- the vehicle should not stop at the stop line
                                 -- (example: a flashing green arrow)
    yieldAllwaysRequired         (8), 
                                 -- the allowed movements above are not protected 
                                 -- (example: an permanent yellow condition)
    goWithHalt                   (9), 
                                 -- after making a full stop, may proceed
    caution                      (10), 
                                 -- proceed past stop line with caution
    reserved1                    (11)
                                 -- used to align to 12 Bit Field
   
   } (SIZE(12))

   
-- =============================================================================
-- DE_Angle (Desc Name) Record 7
Angle ::= INTEGER (0..28800) 
   -- LSB of 0.0125 degrees
   -- A range of 0 to 359.9875 degrees

   
-- =============================================================================
-- DE_ApproachID (Desc Name) Record 9
ApproachID ::= INTEGER (0..15) -- zero to be used when valid value is unknown

 
-- =============================================================================
-- DE_DeltaAngle (Desc Name) Record 23
DeltaAngle ::= INTEGER (-150..150) 
   -- With an angle range from 
   -- negative 150 to positive 150 
   -- in one degree steps where zero is directly
   -- along the lane center line as defined by the
   -- two closest points

   
-- =============================================================================
-- DE_DescriptiveName (Desc Name) Record 24
DescriptiveName ::= IA5String (SIZE(1..63))

 
-- =============================================================================
-- DE_DrivenLineOffsetLarge (Desc Name) Record 34
DrivenLineOffsetLg ::= INTEGER (-32767..32767) 
   -- LSB units are 1 cm.

   
-- =============================================================================
-- DE_DrivenLineOffsetSmall (Desc Name) Record 35
DrivenLineOffsetSm ::= INTEGER (-2047..2047) 
   -- LSB units are 1 cm.

   
-- =============================================================================
-- DE_DSecond2 CHANGED (Desc Name) Record 38
DSecond2 ::= INTEGER (0..65535) -- units of miliseconds

 
-- =============================================================================
-- DE_DSRC_MessageID2 CHANGED (Desc Name) Record 40
DSRCmsgID2 ::= INTEGER (0..255)
   -- UPER forms
   mapData-P                         DSRCmsgID2 ::= 18 --'12'H MAP,
   signalPhaseAndTimingMessage-P     DSRCmsgID2 ::= 19 --'13'H SPAT
                     -- values to 127 reserved for std use
                     -- values 128 to 255 reserved for local use

					 
-- =============================================================================
-- DE_DSRC_MessageSubID (Desc Name) Record 41
DSRCmsgSubID ::= INTEGER (0..255) -- to be set to zero when used at this time

 
-- =============================================================================
-- DE_Elevation2 CHANGED (Desc Name) Record 44
Elevation2 ::= INTEGER (-4096..61439) 
    -- In units of 10 cm steps above or below the reference ellipsoid
    -- Providing a range of -409.5 to + 6143.9 meters
    -- The value -4096 shall be used when Unknown is to be sent

	
-- =============================================================================
-- DE_IntersectionID CHANGED (Desc Name) Record 55
IntersectionID ::= INTEGER (0..65535)
   -- The values zero through 255 are allocated for testing purposes
   -- Note that the value assign to an intersection will be
   -- unique within a given regional ID only

   
-- =============================================================================
-- DE_IntersectionStatusObject CHANGED (Desc Name) Record 56
IntersectionStatusObject ::= BIT STRING {
    manualControlIsEnabled                (0),
      -- Timing reported is per programmed values, etc but person
      -- at cabinet can manually request that certain intervals are
      -- terminated early (e.g. green).
	  
    stopTimeIsActivated                   (1),
      -- And all counting/timing has stopped.
	  
    failureFlash                          (2), 
      -- Above to be used for any detected hardware failures, 
      -- e.g. conflict monitor as well as for police flash 
	  
    preemptIsActive                       (3),
	
    transitSignalPriorityIsActive         (4),   
      -- Refered to as TSP
	 
    -- Additional states
    fixedTimeOperation                    (5),
      -- Schedule of signals is based on time only 
      -- (i.e. the state can be calculated)
	  
    trafficDependentOperation             (6),
      -- Operation is based on different levels of traffic parameters 
      -- (requests, duration of gaps or more complex parameters)
	  
    standbyOperation                      (7),
      -- Controller: partially switched off or partially amber flashing
	  
    failureMode                           (8),
      -- Controller has a problem or failure in operation
	  
    off                                   (9),
      -- Controller is switched off
	 
    -- Related to MAP an SPAT bindings
    recentMAPmessageUpdate                (10),
      -- Map revision with content changes
	  
    recentChangeInMAPassignedLanesIDsUsed (11),
      -- Change in MAP's assigned lanes used (lane changes)
      -- Changes in the active lane list description
	  
    noValidMAPisAvailableAtThisTime       (12),
      -- MAP (and vaious lanes indexes) not available
	  
    noValidSPATisAvailableAtThisTime      (13)
      -- SPAT system is not working at this time
    
    -- Bit values (14,15) reserved at ths time and shall be zero
    } (SIZE(16))

	
-- =============================================================================
-- DE_LaneAttributes-Barrier (Desc Name) Record 57
LaneAttributes-Barrier ::= BIT STRING {
   -- 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
							
   median                   (1),
   whiteLineHashing         (2),
   stripedLines             (3),
   doubleStripedLines       (4),
   trafficCones             (5),
   constructionBarrier      (6),
   trafficChannels          (7),
   lowCurbs                 (8),
   highCurbs                (9)
   -- Bits 10~15 reserved and set to zero
   } (SIZE (16))

   
-- =============================================================================
-- DE_LaneAttributes-Bike CHANGED (Desc Name) Record 58
LaneAttributes-Bike ::= BIT STRING {
   -- With bits as defined:
   bikeRevocableLane       (0),
                           -- this lane may be activated or not based
                           -- on the current SPAT message contents
                           -- if not asserted, the lane is ALWAYS present
						   
   pedestrianUseAllowed    (1),
                           -- The path allows pedestrian traffic, 
                           -- if not set, this mode is prohibited
						   
   isBikeFlyOverLane       (2),
                           -- path of lane is not at grade
						   
   fixedCycleTime          (3),
                           -- the phases use preset times
                           -- i.e. there is not a 'push to cross' button
						   
   biDirectionalCycleTimes (4),
                           -- ped walk phases use different SignalGroupID
                           -- for each direction. The first SignalGroupID
                           -- in the first Connection represents 'inbound'
                           -- flow (the direction of travel towards the first 
                           -- node point) while second SignalGroupID in the 
                           -- next Connection entry represents the 'outbound'
                           -- flow. And use of RestrictionClassID entires
                           -- in the Connect follow this same pattern in pairs.
						   
   isolatedByBarrier       (5),
   
   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
   } (SIZE (16))

   
-- =============================================================================
-- DE_LaneAttributes-Crosswalk CHANGED (Desc Name) Record 59
LaneAttributes-Crosswalk ::= BIT STRING { 
   -- With bits as defined:
   -- MUTCD provides no suitable "types" to use here
   crosswalkRevocableLane  (0),
                           -- this lane may be activated or not based
                           -- on the current SPAT message contents
                           -- if not asserted, the lane is ALWAYS present
						   
   bicyleUseAllowed        (1),
                           -- The path allows bicycle traffic, 
                           -- if not set, this mode is prohibited
						   
   isXwalkFlyOverLane      (2),
                           -- path of lane is not at grade
						   
   fixedCycleTime          (3),
                           -- ped walk phases use preset times
                           -- i.e. there is not a 'push to cross' button
						   
   biDirectionalCycleTimes (4),
                           -- ped walk phases use different SignalGroupID
                           -- for each direction. The first SignalGroupID
                           -- in the first Connection represents 'inbound'
                           -- flow (the direction of travel towards the first 
                           -- node point) while second SignalGroupID in the 
                           -- next Connection entry represents the 'outbound'
                           -- flow. And use of RestrictionClassID entires
                           -- in the Connect follow this same pattern in pairs.
						   
   hasPushToWalkButton     (5),
                           -- Has a demand input
						   
   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
   } (SIZE (16))

   
-- =============================================================================
-- DE_LaneAttributes-ParkingLane (Desc Name) Record 60
LaneAttributes-Parking ::= BIT STRING { 
    -- With bits as defined:
    -- Parking use details, note that detailed restrictions such as 
    -- allowed hours are sent by way of ITIS codes in the TIM message
	
    parkingRevocableLane         (0),
                                 -- this lane may be activated or not based
                                 -- on the current SPAT message contents
                                 -- if not asserted, the lane is ALWAYS present
								 
    parallelParkingInUse         (1),
	
    headInParkingInUse           (2),
	
    doNotParkZone                (3),
                                 -- used to denote fire hydrants as well
                                 -- short disruptions in a parking zone
								 
    parkingForBusUse             (4),
    parkingForTaxiUse            (5),
    noPublicParkingUse           (6)
                                 -- private parking, as in front of
                                 -- private property
								 
   -- Bits 7~15 reserved and set to zero
   } (SIZE (16))

   
-- =============================================================================
-- DE_LaneAttributes-Sidewalk (Desc Name) Record 61
LaneAttributes-Sidewalk ::= BIT STRING { 
   -- With bits as defined:
   sidewalk-RevocableLane  (0),
                           -- this lane may be activated or not based
                           -- on the current SPAT message contents
                           -- if not asserted, the lane is ALWAYS present.
						   
   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
   } (SIZE (16))

   
-- =============================================================================
-- DE_LaneAttributes-Striping (Desc Name) Record 62
LaneAttributes-Striping ::= BIT STRING { 
   -- With bits as defined:
    stripToConnectingLanesRevocableLane (0),
       -- this lane may be activated or not based
       -- on the current SPAT message contents
       -- if not asserted, the lane is ALWAYS present.
	   
    stripDrawOnLeft                (1),
	
    stripDrawOnRight               (2),
        -- which side of lane to mark.
		
    stripToConnectingLanesLeft     (3),
	
    stripToConnectingLanesRight    (4),
	
    stripToConnectingLanesAhead    (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
   } (SIZE (16))

   
-- =============================================================================
-- DE_LaneAttributes-TrackedVehicle (Desc Name) Record 63
LaneAttributes-TrackedVehicle ::= BIT STRING { 
   -- 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
							   
    spec-commuterRailRoadTrack (1), 
	
    spec-lightRailRoadTrack    (2),
	
    spec-heavyRailRoadTrack    (3),
	
    spec-otherRailType         (4)
	
   -- Bits 5~15 reserved and set to zero
   } (SIZE (16))

   
-- =============================================================================
-- DE_LaneAttributes-Vehicle (Desc Name) Record 64
LaneAttributes-Vehicle ::= BIT STRING {  
    -- With bits as defined:
    isVehicleRevocableLane       (0),
                                 -- this lane may be activated or not based
                                 -- on the current SPAT message contents
                                 -- if not asserted, the lane is ALWAYS present
								 
    isVehicleFlyOverLane         (1),
                                 -- path of lane is not at grade
								 
    hovLaneUseOnly               (2),
	
    restrictedToBusUse           (3),
	
    restrictedToTaxiUse          (4),
	
    restrictedFromPublicUse      (5),
	
    hasIRbeaconCoverage          (6)

   -- Bits 7~15 reserved and set to zero
   } (SIZE (16))

   
-- =============================================================================
-- DE_LaneConnectionID (Desc Name) Record 65
LaneConnectionID ::= INTEGER (0..255)

 
-- =============================================================================
-- DE_LaneDirection (Desc Name) Record 66
LaneDirection ::= BIT STRING {
    -- With bits as defined:
    -- Allowed directions of travel in the lane object
    -- All lanes are described from the stop line outwards
    ingressPath                 (0), 
                                -- travel from rear of path to front 
                                -- is allowed
								
    egressPath                  (1)
                                -- travel from front of path to rear 
                                -- is allowed
								
    -- Notes:  No Travel, i.e. the lane object type does not support
    --         travel (medians, curbs, etc.) is indicated by not 
    --         asserting any bit value
    --         Bi-Directional Travel (such as a ped crosswalk) is 
    --         indicated by asserting both of the bits
    } (SIZE (2))

	
-- =============================================================================
-- DE_LaneId CHANGED (Desc Name) Record 67
LaneID ::= INTEGER (0..255)
   -- the value 0 shall be used when the lane ID is
   -- not available or not known
   -- the value 255 is reserved for future use

   
-- =============================================================================
-- DE_LaneSharing (Desc Name) Record 69
LaneSharing ::= BIT STRING {
    -- With bits as defined:
	
    overlappingLaneDescriptionProvided  (0),
    -- Assert when another lane object is present to describe the
    -- path of the overlapping shared lane
    -- this construct is not used for lane objects which simply cross.
	
    multipleLanesTreatedAsOneLane       (1),
    -- Assert if the lane object path and width details represents
    -- multiple lanes within it that are not further described

    -- Various modes and type of traffic whhc may share this lane:
    otherNonMotorizedTrafficTypes       (2), -- horse drawn etc.
    individualMotorizedVehicleTraffic   (3),
    busVehicleTraffic                   (4),  
    taxiVehicleTraffic                  (5),
    pedestriansTraffic                  (6),
    cyclistVehicleTraffic               (7),
    trackedVehicleTraffic               (8),
    pedestrianTraffic                   (9)
    } (SIZE (10))
    -- All zeros would indicate 'not shared' and 'not overlapping'

	
-- =============================================================================
-- DE_LaneWidth (Desc Name) Record 70
LaneWidth ::= INTEGER (0..32767) -- units of 1 cm

 
-- =============================================================================
-- DE_LayerID (Desc Name) Record 72
LayerID ::= INTEGER (0..100)


-- =============================================================================
-- DE_LayerType (Desc Name) Record 73
LayerType ::= ENUMERATED {
     none, 
     mixedContent, -- two or more of the below types
     generalMapData, 
     intersectionData, 
     curveData, 
     roadwaySectionData, 
     parkingAreaData, 
     sharedLaneData,
     ... 
     }

	 
-- =============================================================================
-- DE_MergeDivergeNodeAngle (Desc Name) Record 78
MergeDivergeNodeAngle ::= INTEGER (-180..180) 
   -- In units of 1.5 degrees for north
   -- the value -180 shall be used to represent 
   -- data is not available or unknown

   
-- =============================================================================
-- DE_MinuteOfTheYear (Desc Name) Record 79
MinuteOfTheYear ::= INTEGER (0..527040) 
   -- the value 527040 shall be used for invalid

   
-- =============================================================================
-- DE_MovementPhaseState CHANGED (Desc Name) Record 81
MovementPhaseState ::= ENUMERATED {
    -- Note that based on the regions and the operating mode not every 
    -- phase will be used in all transportation modes and that not 
    -- every phase will be used in all transportation modes
  
    unavailable (0), 
      -- This state is used for unknown or error.
	  
    dark (1),   
      -- The signal head is dark (unlit).
	  

   -- Reds
    stop-Then-Proceed (2), 
      -- Often called 'flashing red' in US
      -- Driver Action:                     
      --   Stop vehicle at stop line. 
      --   Do not proceed unless it is safe.
      -- Note that the right to proceed either right or left when 
      -- it is safe may be contained in the lane description to 
      -- handle what is called a 'right on red'.
	  
    stop-And-Remain (3),
      -- e.g. called 'red light' in US
      -- Driver Action:                     
      --   Stop vehicle at stop line. 
      --   Do not proceed.                     
      -- Note that the right to proceed either right or left when 
      -- it is safe may be contained in the lane description to 
      -- handle what is called a 'right on red'.
	  
   
   -- Greens
    pre-Movement (4), 
      -- Not used in the US, red+yellow partly in REG-D (e.g. Europe(
      -- Driver Action:                     
      --   Stop vehicle. 
      --   Prepare to proceed (pending green)
      --   (Prepare for transition to green/go).
	  
    permissive-Movement-Allowed (5), 
      -- Often called 'permissive green' in US
      -- Driver Action:                     
      --   Proceed with caution, 
      --   must yield to all conflicting traffic 
      -- Conflicting traffic may be present
      -- in the intersection conflict area.
	  
    protected-Movement-Allowed (6), 
      -- Often called 'protected green' in US
      -- Driver Action:                     
      --   Proceed, tossing caution to the wind, 
      --   in indicated (allowed) direction.
   
   -- Yellows / Ambers
   -- The vehicle is not allowed to cross the stop bar if it is possible 
   -- to stop without danger. 
    permissive-clearance (7), 
      -- Often called 'permissive yellow' in US
      -- Driver Action:                     
      --   Prepare to stop.
      --   Proceed if unable to stop,
      --   Clear Intersection.
      -- Conflicting traffic may be present
      -- in the intersection conflict area.
	  
    protected-clearance (8),  
      -- Often called 'protected yellow' in US
      -- Driver Action: 
      --   Prepare to stop.
      --   Proceed if unable to stop,
      --   in indicated direction (to connected lane)
      --   Clear Intersection.
                    
    caution-Conflicting-Traffic (9)
      -- Often called 'flashing yellow' in US
      -- Often used for extended periods of time
      -- Driver Action: 
      --   Proceed with caution, 
      -- Conflicting traffic may be present
      -- in the intersection conflict area
    }
    -- The above number assignments are not used with UPER encoding
    -- and are only to be used with DER or implicit encoding

	
-- =============================================================================
-- DE_MsgCount (Desc Name) Record 82
MsgCount ::= INTEGER (0..127)

 
-- =============================================================================
-- DE_MsgCRC (Desc Name) Record 83
MsgCRC ::= OCTET STRING (SIZE(2)) -- created with the CRC-CCITT polynomial

 
-- =============================================================================
-- DE_NodeAttribute CHANGED (Desc Name) Record 89
NodeAttribute ::= ENUMERATED {
   -- Various values which pertain only to the current node point
   
   -- General Items
   reserved,  
   stopLine,             -- point where a mid-path stop line exists
                         -- See also 'do not block' for segments

   -- Path finish details 
   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
   
   -- Topography Points (items with no concept of a distance along the path)
   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
     
   -- Pedestrian Support Attributes
   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)
 
   -- Lane geometry details  (see standard for defined shapes)
   hydrantPresent,       -- Or other services access 
   ...
   }

   
-- =============================================================================
-- DE_Offset_B10 (Desc Name) Record 94
Offset-B10 ::= INTEGER (-512..511)

 
-- =============================================================================
-- DE_Offset_B11 (Desc Name) Record 95
Offset-B11 ::= INTEGER (-1024..1023)

 
-- =============================================================================
-- DE_Offset_B12 (Desc Name) Record 96
Offset-B12 ::= INTEGER (-2048..2047)

 
-- =============================================================================
-- DE_Offset_B13 (Desc Name) Record 97
Offset-B13 ::= INTEGER (-4096..4095)

 
-- =============================================================================
-- DE_Offset_B14 (Desc Name) Record 98
Offset-B14 ::= INTEGER (-8192..8191)

 
-- =============================================================================
-- DE_Offset_B16 (Desc Name) Record 99
Offset-B16 ::= INTEGER (-32768..32767)

 
-- =============================================================================
-- DE_PedestrianBicycleDetect (Desc Name) Record 102
PedestrianBicycleDetect ::= BOOLEAN -- 
                 -- true if ANY Pedestrians or Bicyclists are 
                 -- detected crossing the target lane or lanes

				 
-- =============================================================================
-- DE_PrioritizationResponseStatus (Desc Name) Record 104
PrioritizationResponseStatus ::= ENUMERATED {
   unknown     (0),
               -- unknown state
   requested   (1),
               -- this prioritization request was detected 
               -- by the traffic controller.
			   
   processing  (2),
               -- checking request 
               -- (request is in queue, others requests are prior).
			   
   watchOtherTraffic (3),
               -- can not give full permission, 
               -- therefore watch for other traffic.
			   
   granted     (4),
               -- intervention was successful 
               -- and now prioritization is active.
			   
   rejected    (5),
               -- the prioritization or preemption request was 
               -- rejected by the traffic controller.
			   
   maxPresence (6)
               -- request has exceeded maxPresence time
   }

-- =============================================================================
-- DE_RestrictionAppliesTo  CHANGED (Desc Name) Record 110
RestrictionAppliesTo ::= ENUMERATED {
    none,              -- applies to nothing
    equippedTransit,   -- buses etc.
    equippedTaxis,
	
    equippedOther,     -- other vehicle types with
                       -- necessary signal phase state
                       -- reception equipment.
					   
    emissionCompliant, -- regional variants with more
                       -- definitive items also exist
    equippedBicycle,
    weightCompliant,
    heightCompliant,
                       -- Items dealing with traveler needs
                       -- (presumed to be suitably equipped).
	
    pedestrians,
    slowMovingPersons,
    wheelchairUsers,
    visualDisabilities,
    audioDisabilities,  -- hearing
    otherUnknownDisabilities,
    ...
    }

	
-- =============================================================================
-- DE_RestrictionClassID (Desc Name) Record 111
RestrictionClassID ::= INTEGER (0..255)
   -- An index value to identify data about classes of users
   -- the value used varies with each intersection's
   -- needs and is defined in the map to the assigned 
   -- classes of supported users.

   
-- =============================================================================
-- DE_RoadRegulatorID CHANGED (Desc Name) Record 112
RoadRegulatorID ::= INTEGER (0..65535)
   -- The value zero shall be used for testing only

   
-- =============================================================================
-- DE_RoadSegmentID (Desc Name) Record 113
RoadSegmentID ::= INTEGER (0..65535)
   -- The values zero to 255 shall be used for testing only
   -- Note that the value assign to an RoadSegment will be
   -- unique within a given regional ID only during its use

   
-- =============================================================================
-- DE_RoadwayCrownAngle (Desc Name) Record 114
RoadwayCrownAngle ::= INTEGER (-128..127) 
    -- In LSB units of 0.3 degrees of angle
    -- over a range of -38.1 to + 38.1 degrees
    -- The value -128 shall be used for unknown
    -- The value zero shall be used for angles 
    -- which are between -0.15 and +0.15

	
-- =============================================================================
-- DE_Scale_B12 (Desc Name) Record 118
Scale-B12 ::= INTEGER (-2048..2047)  -- in steps of 0.05 percent

 
-- =============================================================================
-- DE_SegmentAttribute (Desc Name) Record 119
SegmentAttribute ::= ENUMERATED {
   -- Various values which can be Enabled and Disabled for a lane segement
   
   -- General Items
   reserved                  ,  
   doNotBlock                ,  -- segment where a vehicle 
                                -- may not come to a stop.
								
   whiteLine                 ,  -- segment where lane crossing not allowed
                                -- such as the final few meters of a lane.
   
   -- Porous Lane states, merging, turn outs, parking etc.
   
   mergingLaneLeft           ,  -- indicates porous lanes
   mergingLaneRight          ,
   
   curbOnLeft                ,  -- indicates presence of curbs
   curbOnRight               ,
   
   loadingzoneOnLeft         ,  -- loading or drop off zones
   loadingzoneOnRight        ,
   
   turnOutPointOnLeft        ,  -- opening to adjacent street/alley/road
   turnOutPointOnRight       ,
   
   adjacentParkingOnLeft     , -- side of road parking
   adjacentParkingOnRight    ,
   
   -- Bike Lane Needs
   adjacentBikeLaneOnLeft    , -- presence of marked bike lanes
   adjacentBikeLaneOnRight   ,
   sharedBikeLane            , -- right of way is shared with bikes
                               -- who may occupy entire lane width
   bikeBoxInFront            ,
   
   -- Transit Needs
   transitStopOnLeft         , -- any form of bus/transit loading
                               -- with pull in-out access to lane on left.
							   
   transitStopOnRight        , -- any form of bus/transit loading
                               -- with pull in-out access to lane on right.
							   
   transitStopInLane         , -- any form of bus/transit loading
                               -- in mid path of the lane.
							   
   sharedWithTrackedVehicle  , -- lane is shared with train or trolley 
                               -- not used for crossing tracks
  
     
   -- Pedestrian Support Attributes
   safeIsland                , -- begin/end a safety island in path
   lowCurbsPresent           , -- for ADA support
   rumbleStripPresent        , -- for ADA support
   audibleSignalingPresent   , -- for ADA support
   adaptiveTimingPresent     , -- for ADA support
   rfSignalRequestPresent    , -- Supports RF push to walk technologies
   
   partialCurbIntrusion      , -- path is blocked by a median or curb 
                               -- but at least 1 meter remains open for use
                               -- and at-grade passage
   
   -- Lane geometry details  (see standard for defined shapes)
   taperToLeft               , -- Used to control final path shape
   taperToRight              , -- Used to control final path shape
   taperToCenterLine         , -- Used to control final path shape

   -- Parking Lane and Curb Attributes
   parallelParking           , -- 
   headInParking             , -- Parking at an angle with the street
   freeParking               , -- no restriction on use of parking.
   
   timeRestrictionsOnParking , -- Parking is not permitted at all times
                               -- typically used when the 'parking' lane 
                               -- becomes a driving lane at times.
							   
   costToPark                , -- Used parking has a cost
   midBlockCurbPresent       , -- a protruding curb near lane edge
   unEvenPavementPresent     , -- a disjoint height at lane edge
   ...
   }

   
-- =============================================================================
-- DE_SignalControlState (Desc Name) Record 120
SignalControlState ::= OCTET STRING (SIZE(1)) 
    -- With bits set as follows:
   
    -- Bit 7 (MSB) Set if the state is currently active
    -- only one active state can exist at a time, and 
    -- this state should be sent first in any sequences
   
    -- Bits 6~4 The preempt or priority value that is 
    -- being described.  
   
    -- Bits 3~0 the state bits, indicating either a 
    -- preemption or a priority use as follows: