Sub-Center line

Not to be confused with the Line S1 (Beijing Subway) formerly known as Mentougou Line or Beijing Low-speed Maglev.

Sub-Center line^[2][a] of Beijing Suburban Railway (BCR) (Chinese: 北京市郊铁路城市副中心线; pinyin: Běijīng Shìjiāo Tiělù Chéngshì Fù Zhōngxīn Xiàn) is a commuter rail line in Beijing. It runs from Liangxiang railway station in Fangshan District to Qiaozhuang East railway station in Tongzhou District. It provides faster service to reach Beijing's sub-administrative center in Tongzhou from central Beijing. The line is currently 63.7 km (39.6 mi) in length with 6 stations.^[1]

Sub-Center line
Train of the Sub-Center line passing Changyangcun in May 2021
Overview
Other name(s)	S1
Status	Operational
Termini	Liangxiang Qiaozhuang East
Stations	6
Service
Type	Commuter rail
System	Beijing Suburban Railway (BCR)
Operator(s)	China Railway Beijing Group
Rolling stock	CRH6
History
Opened	December 31, 2017; 7 years ago (2017-12-31)
Technical
Line length	63.7 km (39.6 mi)[1]
Track gauge	1,435 mm (4 ft 8+1⁄2 in)

History

Beijing West, Beijing, Beijing East, and Tongzhou started the Sub-Center line service on 31 December 2017. Qiaozhuang East started the Sub-Center line service on 20 June 2019.^[3] Liangxiang started the Sub-Center line service on 30 June 2020.

Stations

3 infill stations between Liangxiang and Beijing West are expected to open in 2026.^[4]

Station №	Station Name		Connections	Distance km		Location	Section
	English	Chinese
LAP	Liangxiang	良乡		0	0	Fangshan	Jingguang railway
	Fangshan East[5] Fangshandong	房山东		-	-
	Houlücun[6]	后吕村	1  Branch (U/C)	-	-	Fengtai
	Yamenkou East[7] Yamenkoudong	衙门口东		－	－	Shijingshan
BXP	Beijing West Beijingxi	北京西	7   9   Jingguang   Jingxiong	31	31	Fengtai	Beijing underground cross-city railway
BJP	Beijing	北京	2	9	40	Dongcheng
BOP	Beijing East Beijingdong	北京东		5	45	Chaoyang	Jingha railway
TOP	Tongzhou	通州		15	60	Tongzhou
QEP	Qiaozhuang East Qiaozhuangdong	乔庄东		3	63		Tongqiao railway

Notes

1. also Sub City Center line, City Sub-Center line or Sub-Cental line