Estimation of Critical Gap Based on Raff’s Definition

Table 3

Critical gap comparison of various methods with different seeds (s) ( s, ,  s, and  veh/s).

Seed	M3 definition	Ashworth	Raff	Revised Raff
	Equation (10)	Equation (3)	Equation (2)	Equation (8)
1	3.90	3.89	3.61	4.07
2	4.00	3.76	3.67	4.13
3	3.86	3.37	3.45	3.85
4	4.06	3.07	3.53	4.09
5	3.99	2.63	3.49	3.91
6	4.12	3.80	3.49	4.05
7	3.99	4.17	3.61	4.05
8	3.95	3.72	3.61	3.97
9	3.98	3.02	3.47	3.99
10	3.84	2.93	3.33	3.93
	3.97	3.44	3.53	4.00
	0.085	0.503	0.101	0.089
Max − min	0.27	1.53	0.34	0.28