Group Gap Acceptance: A New Method to Analyze Driver Behavior and Estimate the Critical Gap at Multilane Roundabouts

Table 3

Summary of critical gap values.

Classification	Type	Critical gap (s)
Overall		2.40
Vehicle types	Passenger vehicle	2.39
	Medium vehicle	2.53
	Heavy vehicle	3.03
Interaction cases	A	2.45
	B	2.22
	C	2.33
	D	2.47
	E	2.11
	F	Not enough data
	G	Not enough data