Line 18 (Chengdu Metro)

Line 18 of the Chengdu Metro (simplified Chinese: 成都地铁18号线; traditional Chinese: 成都地鐵18號線; pinyin: Chéngdū Dìtiě Shíbā Hào Xiàn) is an express rapid transit line that connects the urban area of Chengdu with Chengdu Tianfu International Airport. Line 18's color is teal. The Phase 1 & 2 of Line 18 is in total 69.39 km in length.[2] It is also the biggest PPP project in China.[3] The section from South Railway Station to Tianfu International Airport North Station started operation on 18 December 2020.[1]

Line 18
18
Overview
StatusIn operation
OwnerChengdu Rail Transit
LocaleChengdu, Sichuan
TerminiSouth Railway Station
Tianfu International Airport North
Stations9 (in operation)
17 (future)
Service
TypeRapid transit
SystemChengdu Metro
Operator(s)Chengdu Rail Transit Corporation
Rolling stock8-car Type A
History
Opened27 September 2020 (South Railway Station—Sancha)[1]
Technical
Line length69.39 km (43.1 mi)[2]
Number of tracks2 main tracks
Track gauge1,435 mm (4 ft 8 1⁄2 in)
ElectrificationAC 25 kV, Overhead line
Operating speed140 km/h (Designed 160 km/h)

Description

Phase 1 & 2

Phase 1 and 2 of the line, which is currently in operation, start at Chengdu South Railway Station and end at Chengdu Tianfu International Airport. The total length is 69.39 km (43.12 mi).[2]

The line officially started construction on August 16, 2016.[4] The section from South Railway Station to Sancha started operation on 27 September 2020.[1] The line will use 8-car Type A rolling stock. The rolling stock have features designed for medium distance travel, such as a 140 km/h maximum speed and wide station spacing.[5]

The line will also feature distinct express and local services using passing tracks at select stations with an express service stopping only at 4 intermediate stations,[6] and planned to complete a trip between Chengdu South Railway Station to Chengdu Tianfu International Airport in 35 minutes. The local service will stop at all stations on Line 18 and will complete the trip in 40 to 50 minutes.[7]

Phase 3

On December 9, 2019, the Department of Ecology and Environment of Sichuan Province approved new extensions for Line 18. Line 18 Phase 3 includes North Extension, Linjiang Section, and South Extension. It is 16.715 kilometers long, all underground. In total, 6 underground stations (4 transfer stations), 1 reserved station, and 1 new depot will be built.[8]

North Section

Line 18 is planned to extend north to North Railway Station on Line 1 serving downtown Chengdu and providing full parallel express service along the core portion of Line 1. The length of the extension is 10.985 kilometers with 4 new stations.[9]

South Section

Line 18 is also planned to extend south beyond Tianfu International Airport Terminals 1 & 2 Station to Guanyan,[10] adding 5.75 kilometers and 2 new underground stations and Linjiang Depot.[11] On June 18, 2020, Government of Chengdu changed the name of Linjiang Station to Guanyan Station.[10]

Phase 4

Jianyang Housing and Urban Planning Bureau officially released the plan for Line 18 Phase 4 to be extended to Jianyang South Railway Station.[12]

Additionally, Line 18 will connect with the proposed Line S3 (Ziyang line) at Futian Station.[13][14][15] Line S3 (Ziyang line) is currently undergoing geological investigation in central Ziyang.

History
  • On July 11, 2016, the NDRC approved the third phase of expansion for the Chengdu Metro, which includes Line 18.[16]
  • On August 16, 2016, Line 18 started construction.[17]
  • On February 28, 2017, fist tunnel machine started tunneling.[18]
  • On June 27, 2017, Sichuan Development and Reform Commission approved phase 2.[19]
  • On August 18, 2017, the first station: Xinglong Station finished roofing and construction.[20]
  • On October 24, 2018, Futian - T3/T4 section finished tunnel construction.
  • On January 29, 2019, Phase 1 and Phase 2 finished viaduct construction.[21]
  • On May 31, 2019, the first tunnel section was completed.[21]
  • On June 2, 2019, all tunnels in Phase 1 and Phase 2 are connected.
  • On June 13, 2019, Line 18's first train started testing in Chengdu.
  • On June 1, 2020, systems testing and debugging began.[21]
  • On June 2, 2020, Line 18, the biggest PPP project in China, started its 3-month trial operation in preparation for opening.[22]
  • On August 6, 2020, Line 18 completed fire-prevention assessment.[23]
  • On September 27th, the first and second section (from South Railway Station to Sancha) of Line 18 was opened.
  • On December 18, Line 18 Sancha (excluding) to Tianfu International Airport North was opened.

Stations
Service
routes[6]		 Station name Transfer Distance
km		 District
Local Express[lower-alpha 1] English Chinese
● ● North Railway Station 火车北站 1 7 Jinniu District
● ● Luomashi 骡马市 1 4 Qingyang District
● ● Sichuan Gymnasium 省体育馆 1 3 Wuhou District
● ● Nijiaqiao 倪家桥 1 8
● ● South Railway Station 火车南站 1 7 - 0 High-Tech Zone
● ● Incubation Park 孵化园 1 9 3.003 3.003
● ｜ Jincheng Plaza East 锦城广场东 0.943 3.946
● ● Century City 世纪城 1 1.514 5.460
● ● Haichang Road 海昌路 1 6.884 12.344 Tianfu New Area
● ● Western China Int'l Expo City 西博城 1 6 7.533 19.877
● ｜ Xinglong 兴隆 3.914 23.791
● ｜ Tianfu Xinzhan 天府新站 5.237 29.028
● ｜ Sancha 三岔 19.161 48.189 Jianyang
● ｜ Futian 福田  S3 [13][24][15] 7.985 56.174
● ｜ Terminal 3 & 4 of Tianfu International Airport (reserved station) 天府机场3号4号航站楼 TFU 9.176 —
● ● Terminal 1 & 2 of Tianfu International Airport 天府机场1号2号航站楼 TFU 65.350
● ● Tianfu International Airport North 天府机场北[10] 2.596 67.946
Guanyan 官堰[10]
Jianyang South Railway Station 简阳南站[25]
  1. The express service will start after Terminal 1 & 2 of Tianfu International Airport opens.

See also

References
  1. "9月27日，成都地铁18号线首开段开通运营（附时刻表）". 2020-09-26.
  2. "成都"东进"首条主动脉 18号线一二期首开段竣工验收".
  3. "成都轨道交通18号线首开段实现空载".
  4. "成都地铁18号线一期工程昨日正式开工-Chengdu Municipal Development and Reform Commission". www.cddrc.gov.cn. Archived from the original on 2018-05-07. Retrieved 2018-10-07.
  5. 网易. "今年将新开通运营地铁46公里". news.163.com. Retrieved 2018-10-07.
  6. "Chengdu Metro Map". Archived from the original on 2020-03-15. Retrieved 2020-03-15.
  7. "成都地铁18号线明年开工 19号线直连新旧两机场 -四川新闻-四川新闻网". scnews.newssc.org. Retrieved 2018-10-06.
  8. "成都轨道交通18号线三期工程首次环境影响评价信息公开". 2019-12-09.
  9. "关于成都轨道交通18号线三期工程环境影响报告书的批复". 2019-06-21.
  10. "官宣！成都东部新区这两个地铁站点正式名称公布 原来这样叫". 成都市人民政府 Government of Chengdu. 2020-06-18.
  11. "成都轨道交通18号线三期工程首次环境影响评价信息公开". 2019-12-09.
  12. "重磅！简阳南站规划为成都轨道交通18号线四期工程！". 2020-06-29.
  13. "成资市域铁路S3线站点曝光！资阳设这五个站". 2020-04-26.
  14. "重磅！简阳南站规划为成都轨道交通18号线四期工程！". 2020-06-29.
  15. "成都轨道交通资阳线公开招标". 2020-05-01.
  16. "Archived copy" 关于成都市城市轨道交通第三期建设规划(2016～2020年)的批复(发改基础〔2016〕1493号). www.ndrc.gov.cn. 2016-07-11. Archived from the original on 22 June 2019. Retrieved 2018-08-19.CS1 maint: archived copy as title (link)
  17. 成都地铁18号线一期工程昨日正式开工-Chengdu Municipal Development and Reform Commission. www.cddrc.gov.cn. 2016-08-17. Archived from the original on 7 May 2018. Retrieved 2018-08-19.
  18. "国内设计时速最快 成都轨道交通18号线首台盾构机始发" (in Chinese). 四川新闻网. 2017-02-28. Retrieved 2017-02-28.
  19. "成都地铁18号线二期工程有新进展 预计2020年通车" (in Chinese). 四川新闻网. 2017-06-28. Retrieved 2017-06-28.
  20. "串联中心城区与新机场 成都地铁18号线首个车站主体结构封顶" (in Chinese). 凤凰网. 2017-08-18. Retrieved 2017-08-18.
  21. "离开通又近一步！成都地铁18号线首开段以最高标准通过这项评估".
  22. "成都轨道交通18号线首开段实现空载".
  23. 成都商报 (2020-08-07). "6号线、8号线、9号线、17号线、18号线 这些地铁线路今年开通". Sichuan Online.
  24. "重磅！简阳南站规划为成都轨道交通18号线四期工程！". 2020-06-29.
  25. "重磅！简阳南站规划为成都轨道交通18号线四期工程！". 2020-06-29.
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