Turner-Fairbank Highway Research Center

 
 
 
 

Table 1: Data Elements for Accident, Vehicle, and Occupant Files

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I. TIME
ELEMENT DESCRIPTION ELEMENT NAME IL MN UT ME MI CA NC WA OH
ACCIDENT DATE ACC_DATE (A) x x   x   x x x x
DAY OF WEEK WEEKDAY (A) x x x x x x x x x
MONTH OF ACCIDENT MONTH (A) x   x x x ACC_DATE x x  
ACCIDENT YEAR ACCYR (A) x x x x x x x x x
HOUR OF OCCURRENCE HOUR (A) x x x x x x x   x
DAY OF MONTH DAYMTH (A) x ACC_DATE x x x   x x  
II. ENVIRONMENT
ELEMENT DESCRIPTION VARIABLE NAME IL MN UT ME MI CA NC WA OH
SURFACE ROAD CONDITION RDSURF (A) x x x x x x x x x
LIGHT CONDITION LIGHT (A) x x x x x x x x x
WEATHER CONDITION WEATHER (A) x x x x x x x x x
III. ACCIDENT-RELATED INFORMATION
ELEMENT DESCRIPTION VARIABLE NAME IL MN UT ME MI CA NC WA OH
ACCIDENT/COLLISON TYPE ACCTYPE (A) x x x x x x x x x
ACCIDENT CASE NUMBER CASENO (A) x x x x x x x x x
INVESTIGATING AGENCY AGENCY (A) x   x x x   x x  
ACCIDENT SEVERITY SEVERITY (A) x x x x x x x x x
HAZARDOUS MATERIAL HAZMAT (V)   x       x x x x
NUMBER OF VEHICLES INVOLVED NUMVEHS (A) x x x x x x x x x
SEQUENCE OF EVENTS EVENT (V)   x (A)   x   x x x
DRIVER PHYSICAL CONDITION PHYSCOND (V) x x   x   x x   x
TYPE OF OBJECT STRUCK OBJECT (V)   (A) (A) (A) x x x (A) x
ACCID CONTRIB FACTORS CONTRIB (V)   x x x   x x x x
IV.VEHICLE INFORMATION
ELEMENT DESCRIPTION VARIABLE NAME IL MN UT ME MI CA NC WA OH
VEHICLE NUMBER VEHNO (V) x x x x x x x x x
VEHICLE TYPE VEHTYPE (V) x x x x x x x x x
VEHICLE YEAR VEHYR (V) x x x   x x x x x
VEHICLE DAMAGE AREA DAMAGE (V)   x x       x   x
VEHICLE DAMAGE SEVERITY DAMSEV (V)   x     x   x x x
TOWAWAY/TOWED TOWAWAY/TOWED (V) x x       (A) x   x
VIN CODE VIN (V) x   x   x   x   x
V. DRIVER INFORMATION
ELEMENT DESCRIPTION VARIABLE NAME IL MN UT ME MI CA NC WA OH
DRIVER AGE DRV_AGE (V) x x x x x x x x x
DRIVER SEX DRV_SEX (V) x x x x x x x x x
DRIVER SAFETY EQUIPMENT DRV_REST (V) x   x   x   x x x
HELMET HELMET (V)         x     x (O)
DRIVER EJECT DR_EJECT (V)     x   x     x  
DRIVER INJURY INFORMATION DRV_INJ (V) x x x x x x x x x
DRIVER INTENT MISCACT1 (V) x x x x x x x x x
DRIVER SOBRIETY SOB_TEST (V) x   x     x x x (O)
DRIVER ALCOHOL PERCENT DRV_BAC (V) x   x       x    
DRIVER VIOLATIONS VIOL (V)   (O) x   x x      
VI.OCCUPANT (NON-DRIVER) INFORMATION
ELEMENT DESCRIPTION VARIABLE NAME IL MN UT ME MI CA NC WA OH
OCCUPANT AGE AGE (O) x x x x x x x x x
OCCUPANT SEX SEX (O) x x x x x x x x x
OCCUPANT POSITION IN VEHICLE SEATPOS (O) x x x x x x x x x
NO. OF OCCUPANTS IN ACCIDENT NUM_OCCS (V) x x x x x (A) x   x
OCCUPANT EJECT EJECT (O) x x x   x x x x x
OCCUPANT SEVERITY INJ (O) x x x x x x x x x
OCCUPANT SAFETY EQUIPMENT REST1 (O) x x x   x x x x x
VII.ROADWAY ELEMENTS (FROM ACCIDENT REPORT)
ELEMENT DESCRIPTION VARIABLE NAME IL MN UT ME MI CA NC WA OH
ROUTE NUMBER RTE_NBR (A) x x     x x x x x
MILEPOST MILEPOST (A) x x x x x x x x x
COUNTY COUNTY (A) x x   x x x x x x
TYPE OF ACCD LOCATION LOC_TYPE (A) x x x x x (V) x x x
ROUTE TYPE RTE_TYPE (A) x         (V)     x
ROAD ALIGNMENT RD_CHAR1 (A)   x x x x   x x x
URBAN/RURAL POPULATION CODES POP_GRP (A) x x     x x x   x
FUNCTIONAL CLASSIFICATION FUNC_CLS (A) x x           x x
ROAD DEFICIENCY RD_DEF (A) x   x   x x      
TRAFFIC CONTROL DEVICES TRF_CNTL (A)   x x x x x x (V) (V)
VIII.PEDESTRIAN/BICYCLIST INFORMATION
ELEMENT DESCRIPTION VARIABLE NAME IL MN UT ME MI CA NC WA OH
LOCATION OF PED/BIC ACCIDENT LOC_BIKE (A)   x       LOC_TYP (V) x x  
PEDESTRAIN ACTION PEDACT (V) x MISCACT1       MISCACT1 x x MISCACT1

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