Signal Control Strategy for Supersaturated Traffic at Urban Road Intersections with a Large Technical Grade Gap

Table 3

Traffic volume and performance indicators at the intersection.

Intersection entrance	Lane direction	Min traffic volume (pcu)	k hour traffic volume (pcu/h)	Saturation flow rate (pcu/h)	Green split	Flow rate ratio	Saturation
West entrance	Straight-left	171	684	1636	0.31	0.42	1.33
	Straight-right	174	696	1636	0.31	0.43	1.36
East entrance	Straight-left	156	624	1636	0.31	0.38	1.22
	Straight-right	162	648	1636	0.31	0.40	1.26
South entrance	Straight-right	216	864	1636	0.47	0.53	1.13
	Straight	210	840	1636	0.47	0.51	1.10
	Straight	207	828	1636	0.47	0.51	1.09
	Straight	213	852	1636	0.47	0.52	1.12
	Straight	216	864	1636	0.47	0.53	1.13
	Left	36	144	1636	0.14	0.09	0.61
	Left	30	120	1636	0.14	0.07	0.51
North entrance	Straight-right	204	816	1636	0.47	0.50	1.07
	Straight	210	840	1636	0.47	0.51	1.10
	Straight	216	864	1636	0.47	0.53	1.13
	Straight	204	816	1636	0.47	0.50	1.07
	Left	39	156	1636	0.14	0.10	0.66