Estimation of Critical Gap Based on Raff’s Definition

Table 2

Emulated values of rejected gaps and accepted gaps.

Order	U1	Headway; (initial)	Headway; (, if )	Rejected proportion	U2	State	Rejected gap	Accepted gap
1	0.61	1.96	2.00	1.00	0.64	0	2.00
2	0.40	3.37	3.37	0.61	0.28	0	3.37
3	0.89	0.68	2.00	1.00	0.37	0	2.00
4	0.26	4.85	4.85	0.35	0.67	1		4.85
5	0.50	2.62	2.62	0.80	0.29	0	2.62
6	0.36	3.70	3.70	0.54	0.50	0	3.70
7	0.31	4.21	4.21	0.45	0.14	0	4.21
8	0.75	1.24	2.00	1.00	0.50	0	2.00
9	0.70	1.48	2.00	1.00	0.63	0	2.00
10	0.91	0.62	2.00	1.00	0.09	0	2.00
11	0.99	0.33	2.00	1.00	0.24	0	2.00
12	0.38	3.51	3.51	0.58	0.82	1		3.51
13	0.98	0.36	2.00	1.00	0.56	0	2.00
14	0.34	3.91	3.91	0.50	0.04	0	3.91
15	0.05	10.16	10.16	0.05	0.53	1		10.16