Research Article
Analyzing Traffic Crash Severity in Work Zones under Different Light Conditions
Table 5
Rank of the importance of variables under different light conditions.
| Rank | Daylight | Dark-lighted | Dark-not-lighted |
| | Manner of first collision | Manner of first collision | Drugs and alcohol | | Location | No. of lanes | Speed limit | | Drugs and alcohol | Traffic control devices | Weather cond. | | Terrain | Location | Traffic control devices | | Urban or rural | Weather cond. | Date of crash | | Traffic control devices | Drugs and alcohol | Manner of first collision | | Speed limit | Relation to first roadway | Location | | Date of crash | Urban or rural | No. of lanes | | No. of lanes | Speed limit | Operation | | Body code | Terrain | Body code | | Relation to first roadway | | Relation to first roadway | | At fault | | Urban or rural | | Vehicle maneuver | | |
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