Variable

Scale

Mean

Std. Dev.

Min

Max

Crashes

Number

57.7778

86.5801

1

411

Centred width of log of right shoulder

Natural logarithm

0.9969

0.3323

−0.0163

1.6832

Log of base length of segment

Mile

0.6766

0.4409

0.2019

2.5727

Number of lanes

Number

4.3056

1.2833

2

7

Number of lanes * Log of base length of seg.

Mile

2.7146

1.5166

0.8077

7.7180

Weaving segment

Categorical

0.4167

0.5000

0

1