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Potential Use of Archived Intelligent Transportation Systems
Data for Government Reporting

Table A.8. NGA Truck Data from ITS Sources
Data ElementDescriptionLinks to ITS Data Sources
1aNumber of trucks involved in the crash having at least 2 axles and 6 tiresTMDD: Identifies single unit, single trailer, multi trailer trucks only
NA: Distinguishes trucks, but configurations are incomplete
P1512: Allows distinguishing trucks of this definition (DE_Axle_Count and DE_PowerUnitType)
1bNumber of buses involved in the crash having seats for more than 15 passengers including the driverTMDD: Identifies bus/motorhome but not no. of passengers
P1512: Distinguishes buses but not no. passengers
1cTotal number of fatalitiesTMDD: "Incident Human Fatalities Count" may be used
P1512: "fatalityCnt" may be used
1dTotal number of injured persons requiring transport by EMSTMDD: "Incident Severity" indicates overall severity of the incident in terms of operational impacts, not injuries to humans
P1512: May be derived from DE_Injured_Transportation
1eTotal number of motor vehicles towed due to disabling damageTMDD: Number of involved vehicles may be determined, but tow-aways not defined
2Reporting Agency 
3Agency Accident Report Number 
4Officer Badge Number 
5Date of CrashTMDD, P1512
6Time of CrashTMDD, P1512
7Accident location (State, County, and City/Township)TMDD, P1512
8Total number of vehicles involvedTMDD: "Incident Vehicles Involved (count)" may be used, but definitions vary slightly.
P1512: May be derived by summing all involved vehicles.
9aTruck or bus driver's nameP1512: Optionally Provided for in HazMat message sets (excluding date of birth)
9bDriver's license number
9cDriver's license state of issuance
9dDriver's date of birth
10aCarrier nameP1512: Carrier is allowed for using SAE J2313, which is free-form text
CVIEW: "CARRIER_NAME" VARCHAR2(55)
10bCarrier address (Street, City, State, Zip)CVIEW: "STREET" VARCHAR2(30); "CITY" VARCHAR2(25); "STATE" CHAR(2); "ZIP_CODE" VARCHAR2(10) Near Match
10cSource of carrier name: (side of veh., papers, or driver) 
10dCarrier ID numbers (USDOT, ICC, State ID, or no number)P1512: "DE_ComReg" provides this information for HazMat
NA: carrier_identity data flow
CVIEW: "CARRIER_ID_NUMBER" VARCHAR2(12); "ICC_NUMBER" Number (6,0)
11aTruck/tractor VINP1512: Optionally provided for in HazMat message sets
CVIEW: "VIN" VARCHAR2(30) Near Match
NTCIP DCM: "dcmVehicleID" Octet string, Near Match
P1512: Optionally provided for in HazMat message sets
CVIEW: "LICENSE_PLATE_NUMBER" VARCHAR2(12); "LICENSE_PLATE_STATE" VARCHAR2(2) Near Match
11bTruck/tractor license number and state
12Gross Vehicle Weight Rating (GVWR)CVIEW: "GVW" Number (8,0) Near Match
NTCIP DCM: "dcmGrossVehicleWeight" Integer (0..16711425)
13TrafficwayTMDD: "Median Type" may use to infer divided/undivided.
14Access control 
15Weather condition TMDD: Codes are: Sunny; Rain; Hurricane; Severe Rain; Flood; Sleet; Snow; Blizzard; Overcast Cloudy; Sun Glare; Earthquake Landslide; some NGA codes may be derivedATIS: ATIS: Weather message includes information on:
dayOfWeek     Day-of-week
temperature     Weather-Temperature
highTemperature     Weather-HighTemperature
lowTemperature     Weather-LowTemperature
skyConditions     Weather-SkyConditions
probability     Weather-Probability
-- level of faith in this information
specialConditions     Weather-SpecialConditions
visibility     Weather-Visibility
windSpeed     Weather-WindSpeed
windDirection     Weather-WindDirection
humidity     Weather-Humidity
pressure     Weather-Pressure
sunriseTime     ATIS-Time
sunsetTime     ATIS-Time
16Road surface conditionTMDD: Codes are: Dry; Wet; Chemically Wet; Snow/Ice; Absorption; Absorption 2; Dew; Frost; some NGA codes are derivable but not all
NTCIP DCM: "essPavementTemperature" Integer (-1000..1001) Near Match
17Light conditionTMDD: "Incident Vehicles Involved" has similar codes but 1-to-1 matching for all NGA categories not possible. TMDD has several "reserved" codes that may be used.
P1512: DE_PowerUnitType can be used to derive directly.
NA: Codes are not inclusive of NGA types:tractor unit plus articulated trailer (van type),tractor unit only,vehicle plus trailer, i.e. the motive power unit may carry payload (van type),tractor unit plus articulated trailer plus trailer (van type),tractor unit plus articulated trailer (tanker type),vehicle plus trailer, i.e. the motive power unit may carry payload (tanker type),tractor unit plus articulated trailer plus trailer (tanker type).
18Sequence of accident events (for this vehicle)
19Apparent driver condition
20Vehicle configuration
21Total number of axles including trailersP1512: DE_Axle_Count may be used directly
CVIEW: "NUMBER_OF_AXLES" Number (2,0)
NTCIP DCM: "dcmNumAxles" Integer (0..255)
22Cargo body typeP1512: DE_CargoPackageType refers to type of container used to hold HazMat; only a few NGA codes may be derived
TMDD: Only if hazmat "spills"
P1512: HazMat well covered in P1512.3
NA: cf_hazmat_vehicle_information data flow
23Hazardous materials involvement
23aPlacard Present?P1512: DF_HazardClass message set contains this data
CVIEW: "CARRIER_HAZMAT_PLACARDED" Number (1,0)
23b4 digit placard number from middle of diamond or box; 1 digit placard number from bottom of diamondP1512: DF_PlacardsAndLabels message contains these data
CVIEW: "HAZMAT_CODE" VARCHAR2(3) Near Match
23cWas hazardous cargo from the placarded truck released? Do not count fuel released from vehicle's own fuel tankTMDD:"Description Type Incident" may be used directly
P1512: DF_MaterialRelease message set has exhaustive detail


Table of Contents | Appendix A, Table A.7 | Appendix A, Table A.9

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