Uncertainty Analysis of Rear-End Collision Risk Based on Car-Following Driving Simulation Experiments

Table 5

The Monte Carlo simulation results under different headway distances and initial speeds.

Grade	15 m (11 m)		20 m (16 m)		25 m (21 m)		30 m (26 m)
	D	No.	D	No.	D	No.	D	No.
14 m/s	N (14.75 1.08)	0	N (19.72 1.11)	0	N (24.70 1.14)	0	N (29.65 1.19)	0
16 m/s	N (10.24 1.46)	0	N (15.10 1.52)	0	N (19.98 1.61)	0	N (24.84 1.64)	0
18 m/s	N (5.25 1.38)	3717	N (9.99 1.48)	0	N (14.72 1.52)	0	N (19.48 1.59)	0
20 m/s	N (3.69 0.24)	9979	N (5.35 1.38)	3257	N (9.93 1.57)	0	N (14.64 1.58)	0
22 m/s	N (3.69 0.11)	10000	N (3.71 0.29)	9856	N (5.62 1.56)	2876	N (10.14 1.75)	6