Comparison US States

Speed Difference Threshold (I_T)

Sample Size

Median Instantaneous Speed (mph)

Standard Deviation (mph)

P-value

Statistically Significant

State 1 (S1)

State 2 (S2)

S1

S2

S1

S2

S1

S2

IL

IN

1

225,568

389,208

65.2

65.0

4.1

4.6

<0.001

Yes

OH

IN

1

420,378

389,208

65.2

65.0

4.1

4.6

<0.001

Yes

IN

PA

2

389,208

333,578

65.0

64.6

4.6

6.3

<0.001

Yes