A Method for Determining the Capacity of an Exclusive Left Lane with a Permitted Phase under Nonstrict Priority

Table 1

Description of field sites.

Intersection	Approach	Cycle length (seconds)	Number of surveyed cycles	Extension distance (meters)	Maximum volume of a left-turn group (pcu)
Feiyue rd.-Dongfeng str.	E.	155	20	10	4
	W.	155	20	15	5
Heping rd.-Haoyue str.	N.	140	52	19	6
	S.	140	52	21	8
	W.	140	52	23	7
	E.	140	52	27	8
Jianshe str.-Bei’an rd.	E.	130	30	16	5
	W.	130	30	16	5
Tongzhi str.-Chaoyang rd.	W.	133	30	16	5
	E.	133	30	16	6
Tongzhi str.-Zhonghua rd.	W.	133	30	19	6
	E.	133	30	19	7
Tongzhi str.-Xi’an rd.	S.	175	20	36	9
Tongzhi str.-Ziyou rd.	N.	187	30	19	6
	S.	187	30	20	7
Zhuhai rd.-Huizhan str.	N.	105	35	15	5
	E.	105	35	17	6
	S.	105	35	17	6
	W.	105	35	20	7