Segmentation 1

Segmentation 2

Segmentation 3

Segmentation 3 (adjusted)

Intercept

−3.820 (<0.0001)

1.6127

6.240 (0.0003)

1.9789

6.392 (<0.0001)

1.3723

5.030 (<0.0001)

1.4557

AADT

−0.96 (0.230)

0.1577

0.028 (0.0233)

0.04422

1.4003 (<0.0001)

0.1198

0.520 (0.230)

0.1341

Length

−0.475 (0.227)

0.0455

0.326 (0.200)

0.9718

0.702 (<0.0001)

0.0278

0.736 (0.977)

0.0133

Radius

−0.011 (0.0054)

0.0189

0.280 (0.941)

1.2216

0.211 (0.0003)

0.0122

0.008 (0.402)

0.0105

Lane Width

0.1423 (0.0010)

0.1245

1.8788 (0.0172)

0.0123

Shoulder Width

1.049 (0.0749)

0.1522

1.164 (0.0500)

1.1156

Day of the Week

0

−0.249

0

0.383

0

0.710 (0.524)

0

0.670 (0.678)

Age Group

0.314

−0.120

0

0.172

0.024

0

0.967 (0.730)

0.172 (0.908)

0

0.227 (0.200)

−0.340 (0.814)

0

Grade

−0.060 (0.0015)

0.1756

0.0342 (<0.0001)

0.2716

−0.3320 (0.0001)

0.1595

0.320 (0.527)

0.0322

QIC

19427.12

3247.23

2474.16

971.43