Research Article

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).

SeedM3 definitionAshworthRaffRevised Raff
Equation (10) Equation (3) Equation (2) Equation (8)

13.90 3.89 3.614.07
24.00 3.76 3.674.13
33.86 3.37 3.453.85
44.06 3.07 3.534.09
53.99 2.63 3.493.91
64.12 3.80 3.494.05
73.99 4.17 3.614.05
83.95 3.72 3.613.97
93.98 3.02 3.473.99
103.84 2.93 3.333.93
3.97 3.44 3.534.00
0.0850.5030.1010.089
Max − min0.27 1.53 0.340.28