Vehicle type

Actual mean speed (km/h)

Simulated mean speed (km/h)

t-statistic

p-value

Car

10.31

10.92

−1.23

0.22

Bus

7.52

7.1

0.85

0.4

3-wheeler

11.75

10.92

1.67

0.1

Motorcycle

26.89

25.6

2.59

0.01