Dynamic Phase Signal Control Method for Unstable Asymmetric Traffic Flow at Intersections

Table 2

Conditions of the Hongqi Street and Huaihe Road intersection.

Items	Flow
	North left-turn	South left-turn	North through (right-turn)	South through (right-turn)	West left-turn	East left-turn	West through (right-turn)	East through (right-turn)
Phase scheme
Pedestrian phase	South-north release				East-west release
Peak hour traffic volume (pcu/h)	288	320	1,295 (289)	1,076 (132)	218	230	757 (83)	773 (265)
Green time (s)	24		43		24		29
Yellow time (s)	4		4		4		4
Red time (s)	107		88		107		102
Green ratio	0.19		0.33		0.19		0.22
(m)	53	29	80	92	40	42	49	61
(m)	40	40	40	40	40	40	40	40
(m)	26	15	40	40	20	21	25	31
(m)	79	44	120	138	60	63	74	92