Collision Characteristic |
Predictors |
Odds Ratio |
95% CL |
Driver characteristics |
Gender1: Male truck driver (1 if true; 0 otherwise) |
- |
- |
Age group1:Younger driver: age <45 years (1 if true; 0 otherwise) |
- |
- |
violation record1 : Traffic record of one ticket or less (0 if true; 1 otherwise) |
- |
- |
Residency1: State of Wyoming (0 if true; 1 otherwise) |
- |
- |
Speed Limit compliance1: Truck Driver followed Speed Limit(0 if rue, 1 otherwise) |
3.34* |
1.75-6.35 |
Environmental characteristics |
Weather condition1: Clear (0 if true; 1 otherwise) |
- |
- |
Roadway-surface condition1: Dry (0 if true; 1 otherwise) |
- |
- |
Light condition1: daylight (0 if true; 1 otherwise) |
- |
- |
Vehicle characteristics |
CMW weight1: Truck greater than 26000 pound (1 if true; 0 otherwise) |
- |
- |
Temporal characteristics |
Day of week : Weekends(1 if true; 0 otherwise) |
1.70* |
1.22-2.36 |
Time1: Peak hours 6< <22: (0 if true; 1otherwise) |
|
|
|
Posted speed limit : Speed limit less than 65(0 if true; 1 otherwise) |
1.85* |
1.25-2.74 |
Roadway characteristics |
Traffic1 |
- |
- |
Crash characteristics |
No of vehicle 1: 1(0 if true; 1 otherwise) |
- |
- |
Pre-collision vehicle actions1: Straight-ahead(0 if true; 1 otherwise) |
- |
- |
Manner of collision1
|
- |
- |
Rollover/Jackknife1 (1 if true; 0 otherwise) |
- |
- |
Occupant ejection1: Driver is partially or totally ejected(1 if true; 0 otherwise) |
- |
- |
No improper driving1 (1 if true; 0 otherwise) |
- |
- |
Drove too fast for conditions1: (1 if true; 0 otherwise) |
- |
- |
Fail to keep proper lane1: (1 if true; 0 otherwise) |
- |
- |
Driver behaviors |
Driver distraction1: No distraction in truck(0 if true; 1 otherwise) |
- |
- |
DUI suspicion1 : Driver was suspected of driving under the influence condition(1 if true; 0 otherwise) |
- |
- |
Sign of fatigue1: Driver was fatigued(1 if true; 0 otherwise) |
- |
- |
CMV driver safety technology in use1: Safety equipment was not used (1 if true; 0 otherwise) |
- |
- |