Line 4 (Suzhou Metro)

Line 4 is a line of the Suzhou Metro. It runs in a north–south alignment from Longdaobang station in Xiangcheng District's the northern suburbs, to the canal town of Tongli in Wujiang District in the south.^[1] The line is 41.5 km long with 31 stations.

Line 4
A train of Suzhou Metro Line 4
Overview
Native name	苏州地铁4号线
Status	In operation
Owner	Suzhou Rail Transit Co., Ltd
Termini	Longdaobang Tongli
Stations	31
Service
Type	Rapid transit
System	Suzhou Metro
Operator(s)	Suzhou Rail Transit Co., Ltd
History
Opened	15 April 2017; 8 years ago (2017-04-15)
Technical
Line length	41.5 km (25.8 mi)
Track gauge	1,435 mm (4 ft 8+1⁄2 in)

Until October 2024 there was a 11.3 km long branch line with 7 stations. This branch line was later transferred to line 7.^[2][3]

History

Groundbreaking occurred on December 31, 2010 in Wujiang, and the line was constructed between 2012 and 2016.^[4] Operations started on April 15, 2017.

Opening timeline

Segment	Commencement	Length	Station(s)	Name
Longdaobang — Tongli	April 15, 2017	41.5 km (25.79 mi)	31	Phase 1

Stations

Station name		Connections	Distance km		Location
English	Chinese
Longdaobang	龙道浜		0.00	0.00	Xiangcheng
Zhangzhuang	张庄		1.29	1.29
Yaoxiang	姚祥		0.83	2.12
Huolidao	活力岛		1.68	3.80
Sunwu Jinianyuan	孙武纪念园	8	1.44	5.24
Pinglonglu West	平泷路西		1.85	7.09	Gusu
Sujin	苏锦	6	1.09	8.18
Suzhou Railway Station	苏州火车站	2  SZH	0.97	9.15
Beisita	北寺塔	9	1.45	10.60
Chayuanchang	察院场		0.95	11.55
Leqiao	乐桥	1	0.54	12.09
Sanyuanfang	三元坊		1.01	13.10
Nanmen	南门	5	0.79	13.89
Renminqiao South	人民桥南		0.67	14.56
Tuanjieqiao	团结桥		1.00	15.56	Wuzhong
Baodai Lu	宝带路	3	0.98	16.54
Shihu Donglu	石湖东路	2	1.60	18.14
Hongzhuang	红庄	7	1.90	20.04
Qingshuwan	清树湾		1.68	21.72	Wujiang
Huagang	花港		2.04	23.76
Jiangling Xilu	江陵西路		2.94	26.70
Jiangxing Xilu	江兴西路		1.39	28.09
Liuhong Lu	流虹路		1.75	29.84
Lize Lu	笠泽路		0.81	30.65
Gujiadang	顾家荡	14	1.16	31.81
Suzhouwan East	苏州湾东		1.00	32.81
Songling Dadao	松陵大道		1.12	33.93
Wujiang Renmin Guangchang	吴江人民广场		1.89	35.82
Wujiang Coach Station	吴江汽车站		1.83	37.65
Pangjin Lu	庞金路		1.73	39.38
Tongli	同里		1.89	41.27

Rolling stock

Trains are run in six-car formations, and have a maximum speed of 80 km/h.^[1]

Fleet numbers	Year Built	Time in service	Builder	Class	Number in service	No of car	Assembly	Rolling stock	Number	Depots	Line assigned	Notes
240 (40 sets)	2015-2017	2017-present	CSR Nanjing Puzhen	B	240 (40 sets)	6	Tc+Mp+M - M + Mp+Tc	PM081	040101-044006 (0401-0440)	Songling Depot Yuanhe Yard Tian'Edang Yard	4
60 (10 sets)	2023-2024	2024-present	CRRC Nanjing Puzhen	B	18 (3 sets)	6	Tc+Mp+M - M + Mp+Tc	PM254	044101-045006 (0441-0450)	Songling Depot Yuanhe Yard Tian'Edang Yard	4

Notes