Independent variables

Coefficient estimate

Standard Error

t (Estimate/SE)

Travel time

0.696

0.221

3.148

Time of the day

−0.552

1.700

−0.325

Day of the week

4.845

2.890

1.677

Weather

−0.134

1.292

−0.104

Lighting condition

2.315

1.417

1.634

Crash Severity

1.246

1.566

0.795