Interstates

Non-Interstates

Rural

Urban

IN

OH

PA

Min

2.3

2.8

2.7

2.3

2.5

2.4

2.3

Max

6.1

9.8

6.4

9.8

9.8

8.3

5.9

Mean

4.0

4.9

4.3

4.4

4.6

4.5

3.9

Median

3.9

4.6

4.2

4.4

4.6

4.3

4.0

Standard Deviation

1.0

1.2

0.9

1.4

1.2

1.2

0.9