Line 4 (Chongqing Rail Transit)

Line 4 of Chongqing Rail Transit is a rapid transit line in Chongqing, China.^[1]

Line 4
A train of Chongqing Rail Transit Line 4
Overview
Native name	重庆轨道交通4号线
Status	Operational
Line number	4
Locale	Chongqing, China
Termini	Min'an Ave. Huangling
Stations	24
Service
Type	Rapid transit
System	Chongqing Rail Transit
Operator(s)	Chongqing Rail Line 4 Construction Operation Co., Ltd.
History
Opened	28 December 2018; 6 years ago (2018-12-28)
Technical
Line length	48.5 km (30.1 miles)
Number of tracks	2
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Electrification	1500 V DC overhead line
Route map Legend Shunshuisi Park Hongfan depot Shimahelijiao Yudaishan Loop Panxi Dashiba 5 Daqingcun Huahuiyuan 6 Longxi Jiazhoulu 3 Min'an Ave. Loop Loop line Chongqing N. Station N. Square 10 Line 10 to Lanhualu to Wangjiazhuang Line 9 to Gaotanyan Toutang 9 Baoshuigang 9 Line 9 to Huashigou Cuntan Heishizi Gangcheng Taipingchong Tangjiatuo depot Tangjiatuo Tieshanping Tongluo Mountains Luqi Guoyuan Logistics Hub Yuzui Yanping Shiheqing Fusheng Sanbanxi Longyi Ave. Longxing Gaoshita Pufu Tongzilin Shichuan Huangling Shichuan depot This diagram: view talk edit

Since June 2020, some Express trains through operate from Line 4 into the Loop line.^[2]

The line is nicknamed the 'Basket Line' by some locals, as rural, mostly elderly, residents use the line to bring baskets of vegetables into the city to sell at marketplaces.^[3]

Interior of a Line 4 train

Opening timeline

Segment	Commencement	Length	Station(s)	Name
Chongqing North Station North Square – Tangjiatuo	28 December 2018	15.7 km (9.8 mi)[4]	7	Phase 1
Min'an Ave. – Chongqing North Station North Square	11 January 2019		1
Tangjiatuo – Huangling	18 June 2022[5]	32.8 km (20.4 mi)	15	Phase 2
Gangcheng	7 October 2023	infill station	1

Stations

Phases 1 and 2

Phase 1 (Min'an Ave. – Tangjiatuo) is 15.754 km (9.789 mi) in length (underground section is 11.075 km (6.882 mi), elevated section is 4.679 km (2.907 mi)).^[4] In June 2018, debugging of the first segment of Phase I commenced.^[6] Phase 1 of Line 4 began operating on December 28, 2018.

Phase 2 (Tangjiatuo – Huangling) is 32.8 km (20.4 mi) in length (21.25 km (13.20 mi) underground and 11.55 km (7.18 mi) elevated^[7]) with 15 stations (10 underground stations and 5 elevated stations).^[8] In 2022, debugging of this segment commenced.^[9] The segment opened on June 18, 2022.^[10]

Service routes		Station No.	Station name[9]		Connections	Distance km		Location
E	L		English	Chinese
↑		Through-service to/from Tiaodeng via Loop line
●	●		Min'an Ave.	民安大道	Loop line	-	0.00	Yubei
●	●		Chongqing North Station North Square[a]	重庆北站北广场	Line 10	2.27	2.27
●	●		Toutang	头塘	Line 9	2.36	4.63	Jiangbei
｜	●		Baoshuigang	保税港	Line 9	1.36	5.99
｜	●		Cuntan	寸滩		2.59	8.58
｜	●		Heishizi	黑石子		1.53	10.11
｜	●		Gangcheng	港城		1.29	11.4
｜	●		Taipingchong	太平冲		2.13	13.53
●	●		Tangjiatuo	唐家沱		1.82	15.35
	●		Tieshanping	铁山坪		1.38	16.73
	●		Luqi	鹿栖		5.30	22.03
	●		Guoyuan Logistics Hub	果园物流枢纽		2.60	24.63
	●		Yuzui	鱼嘴		2.73	27.36
	●		Yanping	雁坪		1.45	28.81
	●		Shiheqing	石河清		2.69	31.50
	●		Fusheng	复盛	Fusheng	2.16	33.66
	●		Sanbanxi	三板溪		1.32	34.98
	●		Longyi Ave.	龙驿大道		2.52	37.50	Yubei
	●		Longxing	龙兴		1.56	39.06
	●		Gaoshita	高石塔		1.13	40.19
	●		Pufu	普福		1.96	42.15
	●		Tongzilin	桐梓林		1.91	44.06
	●		Shichuan	石船		2.64	46.70
	●		Huangling	黄岭		1.57	48.27

1. The former translation is North Square of Chongqingbei Railway Station, which has been replaced since the opening of Line 10's station

Western Extension

• Under construction

The Western extension of Line 4 started construction in March 2021. It will add 9 more stations west of Min'an Ave. station. The extension is 11 km (6.8 mi) in length.^[11]

Station No.	Station name		Connections	Distance km		Location
	English	Chinese
	Shunshuisi Park	顺水寺公园[12]				Jiangbei
	Shimahelijiao	石马河立交[12]
	Yudaishan	玉带山	Loop line
	Panxi	盘溪
	Dashiba	大石坝	Line 5
	Daqingcun	大庆村				Yubei
	Huahuiyuan	花卉园	Line 6
	Longxi	龙溪
	Jiazhoulu	嘉州路	Line 3