| Accident Characteristics |
Day of Week
|
WD
|
Weekday: WD = 0, Weekend: WD = 1 |
|
Hour
|
H
|
6 a.m.–17 p.m.: H = 0, 18 p.m.–5 a.m.: H = 1 |
|
Month
|
M
|
March-May: M = 1, June-August: M = 2, September-November: M = 3, December-February: M = 4 |
|
Crash Type
|
AT
|
Rollover: AT = 0, Rear-end: AT = 1, Frontal: AT = 2, Lateral: AT = 3 |
| Driver Characteristics |
Age
|
A
|
Under 15 years old: A = 0, 16 years old and above: A = 1 |
|
Sex
|
S
|
Male: S = 0, Female: S = 1 |
|
Injury Severity
|
I
|
No injury: I = 0, Minor injury: I = 1, Light injury: I = 2, Severe injury: I = 3, Fatal injury: I = 4 |
|
Driver Drinking in Vehicle
|
VA
|
No alcohol involved: VA = 0, Alcohol involved: VA = 1 |
| Vehicle Characteristics |
Cargo Body Type
|
C
|
Passenger vehicle: C = 0, Truck: C = 1 |
|
Special Use
|
SU
|
Private vehicle: SU = 0, Public/commercial vehicle: SU = 1 |
| Road Characteristics |
Speed Limit
|
VL
|
No restriction: VL = 0, 5–30 km/h: VL = 1, 31–50 km/h: VL = 2, 51–120 km/h: VL = 3 |
|
Roadway Surface Condition
|
VC
|
Wet/slippery lane: VC = 0, Dry lane: VC = 1 |
|
Relation to Trafficway
|
RR
|
Outside roadway: RR = 0, On roadway: RR = 1 |
| Environmental Characteristics |
Weather conditions
|
WT
|
Sunny: WT = 0, Rainy/Snow: WT = 1 |
|
Light Condition
|
L
|
Lighted: L = 0, Not Lighted: L = 1 |
