Loop line (Chongqing Rail Transit)

Loop line
Loop line
	Loop
	A Loop line train running on Gaojiahuayuan Bridge
Overview
Other name(s)	Line 0
Native name	重庆轨道交通环线
Status	Operational
Line number	0
Locale	Chongqing, China
Stations	33
Service
Type	Rapid transit
System	Chongqing Rail Transit
Operator(s)	Chongqing Rail Transit (Group) Co., Ltd.
Depot(s)	Majiayan, Tushan, Sigongli
History
Opened	28 December 2018
Technical
Line length	50.93 km (31.65 mi)
Number of tracks	2
Character	Underground and elevated
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Electrification	1500 V DC Overhead line
Operating speed	90 km/h (56 mph)
Route map
	Line 4 to Huangling
	Line 10 to Wangjiazhuang
	Chongqing N. Station
	S. Square
	Chaotianmen Bridge
	across Yangtze River
	Gaojia Huayuan Rail Transit Bridge
	across Jialing River
	Egongyan Rail Transit Bridge
	across Yangtze River

The Loop line of Chongqing Rail Transit is a rapid transit loop line in Chongqing, China.[1] The line is also known as Line 0.

The metro line serves three major railway stations in Chongqing: Chongqing North railway station, Shapingba railway station, and Chongqing West railway station.[2]

Interior of a Loop line train

History

The line began construction on October 28, 2013.[3]

The northeastern section was opened on December 28, 2018. The southern section with the Egongyan Rail Transit Bridge opened on December 30, 2019.[4] The remaining section opened on January 20, 2021.

Opening timeline

Segment	Commencement	Length	Station(s)	Name
Chongqing Library – Haixialu	28 December 2018	33.7 km (20.94 mi)[5]	17	Northeastern Section
Min'an Ave.	11 January 2019	infill station	1
Luojiaba & Danzishi	1 July 2019	infill stations	2
Nanqiaosi	15 December 2019	infill station	1
Haixialu – Erlang	30 December 2019[4]	9.5 km (5.90 mi)[6]	5	Southern section
Chongqing Library – Chongqing West Railway Station – Erlang	20 January 2021	7.6 km (4.72 mi)[7]	4	Remaining section
Tianxingqiao & Renji	4 February 2021	infill stations	2
Shanghao	7 October 2023	infill station	1

Stations

Service routes		Station №	Station name		Connections	Distance km		Location
E	L	Station №	English	Chinese	Connections	Distance km		Location

↑ Loop towards Hualong ↑
↑		Through-service to/from Tiaodeng via Line 5
●	●	环/01	Chongqing West Station	重庆西站	5 CXW	1.6	50.9	Shapingba
●	●	环/02	Shangqiao	上桥		2.0	2.0
｜	●	环/03	Fengmingshan	凤鸣山		1.1	3.1
●	●	环/04	Chongqing Library	重庆图书馆		1.2	4.3
｜	●	环/05	Tianxingqiao	天星桥		1.1	5.4
●	●	环/06	Shapingba	沙坪坝	1 9 27 CYW	1.6	7.0
｜	●	环/07	Chongqing University[8]	重庆大学[8]		1.5	8.5
｜	●	环/08	Yudaishan	玉带山	4	2.0	10.5	Jiangbei
｜	●	环/09	Nanqiaosi	南桥寺		1.7	12.2	Jiangbei
｜	●	环/10	Sports Park	体育公园		1.2	13.4	Yubei
●	●	环/11	Ranjiaba	冉家坝	5 6	1.1	14.5
｜	●	环/12	Dongbu Park	动步公园		1.0	15.5
｜	●	环/13	Honghudonglu	洪湖东路		0.9	16.4
●	●	环/14	Min'an Ave.	民安大道	4	1.6	18.0
↓		Through-service to/from Tangjiatuo via Line 4
	●	环/15	Chongqing N. Station S. Square[lower-alpha 1]	重庆北站南广场	3 10 YW CUW	2.1	20.1	Yubei
	●	环/16	Yulu	渝鲁		2.1	22.2	Jiangbei
	●	环/17	Wulidian	五里店	6 9	1.5	23.7	Jiangbei
	●	环/18	Danzishi	弹子石		2.6	26.3	Nan'an
	●	环/19	Tushan	涂山		1.6	27.9
	●	环/20	Renji	仁济		1.3	29.2
	●	环/21	Shangxinjie	上新街	6	1.0	30.2
	●	环/22	Shanghao	上浩		1.1	31.3
	●	环/23	Haitangxi	海棠溪		1.5	32.8
	●	环/24	Luojiaba	罗家坝		1.0	33.8
	●	环/25	Sigongli	四公里	3	1.1	34.9
	●	环/26	Nanhu	南湖	10	2.0	36.9
	●	环/27	Haixialu	海峡路		1.1	38.0
	●	环/28	Xiejiawan	谢家湾	2[lower-alpha 2]	2.6	40.6	Jiulongpo
	●	环/29	Olympic Sports Center	奥体中心	18	1.9	42.5
	●	环/30	Chenjiaping	陈家坪		1.3	43.8
	●	环/31	Caiyunhu	彩云湖		2.0	45.8
	●	环/32	Erlang	二郎		1.7	47.5
	●	环/33	Hualong	华龙		1.7	49.2
↓ Loop towards Chongqing West ↓

The former translation is South Square of Chongqingbei Railway Station, which has been replaced since the opening of Line 10's station
Out of system transfer

Accident

On January 8, 2019, a train accident occurred in the tunnel between Haixialu and Nanhu where a train struck an improperly opened and secured safety shield. As a result, one person was killed and three people were injured.[9]

References

"Construction progress of Chongqing Metro Loop line". www.cqmetro.cn.
"轨道交通4号线、5号线、10号线和环线明年部分线路有望建成通车". May 17, 2016.
"招标公告 - 重庆城市交通开发投资（集团）有限公司". www.cqjtkt.cn. Retrieved 2021-01-20.
"重庆又有两段轨道开通：1号线尖璧段、环线西南半环". 2019-12-30.
"重庆轨道交通环线东北半环、4号线一期开通试运营". 2018-12-29.
"好消息！环线海峡路至二郎段进入不载客试运行阶段". 2019-09-18. Archived from the original on November 13, 2019.
"重庆轨道交通一号线朝天门至小什字段、五号线一期南段（跳磴至石桥铺段）、六号线支线二期（悦来至沙河坝段）、环线重庆图书馆至重庆西站至二郎段工程初期运营前安全评估服务招标公告". 2020-08-21. Archived from the original on 2020-08-30.
"重庆轨道交通4座车站于12月1日更名". 2019-11-30.
"The train accident on Chongqing Metro Loop Line".

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[north-9] The former translation is South Square of Chongqingbei Railway Station, which has been replaced since the opening of Line 10's station

[transfer-10] Out of system transfer

[1] "Construction progress of Chongqing Metro Loop line". www.cqmetro.cn.

[2] "轨道交通4号线、5号线、10号线和环线明年部分线路有望建成通车". May 17, 2016.

[3] "招标公告 - 重庆城市交通开发投资（集团）有限公司". www.cqjtkt.cn. Retrieved 2021-01-20.

[chongqing20191230-4] "重庆又有两段轨道开通：1号线尖璧段、环线西南半环". 2019-12-30.

[cq201812-5] "重庆轨道交通环线东北半环、4号线一期开通试运营". 2018-12-29.

[xinhua201909-6] "好消息！环线海峡路至二郎段进入不载客试运行阶段". 2019-09-18. Archived from the original on November 13, 2019.

[cq2020-7] "重庆轨道交通一号线朝天门至小什字段、五号线一期南段（跳磴至石桥铺段）、六号线支线二期（悦来至沙河坝段）、环线重庆图书馆至重庆西站至二郎段工程初期运营前安全评估服务招标公告". 2020-08-21. Archived from the original on 2020-08-30.

[CQ201912-8] "重庆轨道交通4座车站于12月1日更名". 2019-11-30.

[11] "The train accident on Chongqing Metro Loop Line".