Review of Roundabout Capacity Based on Gap Acceptance

Table 1

Parameter estimation of free flow ratio.

Lanes numbers		1	2	>2
Non-blocking traffic flow		1.8	0.9	0.6
		2000	4000	6000
		0.5	0.3	0.7
		0.2	0.3	0.3
Circulating flow in roundabout		2.0	1.0	0.8
		1800	3600	4500
		2.5	2.5	2.5
		2.2	2.2	2.2