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Loop line (Chongqing Rail Transit)

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Loop line
A Loop line train running on Gaojiahuayuan Bridge
Overview
Other name(s)Line 0
Native name重庆轨道交通环线
StatusOperational
Line number0
LocaleChongqing, China
Stations33
Service
TypeRapid transit
SystemChongqing Rail Transit
Operator(s)Chongqing Rail Transit (Group) Co., Ltd.
Depot(s)Majiayan, Tushan, Sigongli
History
Opened28 December 2018; 5 years ago (2018-12-28)
Technical
Line length50.93 km (31.65 miles)
Number of tracks2
CharacterUnderground and elevated
Track gauge1,435 mm (4 ft 8+1⁄2 in)
Electrification1500 V DC overhead line
Operating speed90 km/h (56 mph)
Route map

Legend
Honghudonglu
Min'an Ave.
     Line 4
Dongbu Park
Line 4 to Huangling
Line 10 to Wangjiazhuang
     Line 5      Line 6
 Ranjiaba
Chongqing N. Station
S. Square
Chongqing North Railway Station      Line 3      Line 10
Line 5 to Yuegangbeilu
Yulu
Sports Park
Wulidian
     Line 6      Line 9
Nanqiaosi
Chaotianmen Bridge
across Yangtze River
Yudaishan
Danzishi
Line 4 to Panguilu
Tushan
Gaojia Huayuan Rail Transit Bridge
across Jialing River
Tushan depot
Chongqing University
Renji
     Line 1      Line 9 Shapingba Railway Station
 Shapingba
Shangxinjie
     Line 6
Tianxingqiao
Shanghao
Majiayan depot
Haitangxi
Chongqing Library
Luojiaba
Fengmingshan
Sigongli depot
Shangqiao
Sigongli
     Line 3
Line 10 to Lanhualu
     Line 5 Chongqingxi Railway Station
 Chongqing W.
Nanhu
Line 5 to Tiaodeng
Haixialu
Hualong
Egongyan Rail Transit Bridge
across Yangtze River
Erlang
Xiejiawan
Caiyunhu
Xiejiawan
     Line 2
Chenjiaping
Olympic Sports Center

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

[edit]

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

[edit]
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

[edit]
Service
routes 		Station
№ 		Station name Connections Distance
km 		Location
E L English Chinese
↑ Loop towards Hualong ↑
↑ Through-service to/from Tiaodeng via Line 5
● ●
环
01
 		Chongqing West Station 重庆西站      Line 5 Chongqing West railway station 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      Line 1      Line 9  27 
Shapingba railway station 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
｜ ●
环
10
 		Sports Park 体育公园 1.2 13.4 Yubei
● ●
环
11
 		Ranjiaba 冉家坝      Line 5      Line 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      Line 4 1.6 18.0
↓ Through-service to/from Tangjiatuo via Line 4
●
环
15
 		Chongqing N. Station S. Square[a] 重庆北站南广场      Line 3      Line 10
 YW  Chongqing North railway station CUW 		2.1 20.1 Yubei
●
环
16
 		Yulu 渝鲁 2.1 22.2 Jiangbei
●
环
17
 		Wulidian 五里店      Line 6      Line 9 1.5 23.7
●
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      Line 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      Line 3 1.1 34.9
●
环
26
 		Nanhu 南湖      Line 10 2.0 36.9
●
环
27
 		Haixialu 海峡路 1.1 38.0
●
环
28
 		Xiejiawan 谢家湾      Line 2 2.6 40.6 Jiulongpo
●
环
29
 		Olympic Sports Center 奥体中心      Line 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 ↓
  1. ^ The former translation is South Square of Chongqingbei Railway Station, which has been replaced since the opening of Line 10's station

Accident

[edit]

On January 8, 2019, a train accident occurred in the tunnel between Haixialu and Nanhu where a train (000141-000146) struck an unsecured and improperly opened civil defense blast door. As a result, one person was killed and three people were injured. [9]This set has been out of service ever since the incident and every car stored in CRRC Chongqing Changchun Vehicle separately.

References

[edit]
  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.
  4. ^ a b "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.
  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.
  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.
  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.
  8. ^ a b "重庆轨道交通4座车站于12月1日更名". 2019-11-30.
  9. ^ "The train accident on Chongqing Metro Loop Line".
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