The Chengdu–Chongqing intercity railway (simplified Chinese: 成渝客运专线; traditional Chinese: 成渝客運專線) is a 307-kilometre (191 mi) long high-speed railway that connects the cities of Chengdu (Sichuan) and Chongqing in southwestern China, with a maximum speed of 350 km/h (220 mph). The route passes through most of the same cities that the older Chengdu–Chongqing Railway does, but is significantly shorter due to the greater use of elevated sections and tunnels. The line includes four major elevated sections and two tunnels.

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Chengdu–Chongqing intercity railway
A CRH380D train on Chengdu–Chongqing intercity railway, taken in Jianyang, Sichuan
Overview
Native name	成渝客运专线
Status	Operational
Owner	China Railway
Locale	Sichuan and Chongqing
Termini	Chengdu East Chongqing
Stations	12
Service
Type	High-speed rail
System	China Railway High-speed
Train number(s)	G8xxx
Operator(s)	China Railway Chengdu Group
History
Opened	26 December 2015 (2015-12-26)
Technical
Line length	307 km (191 mi) (main line)
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Operating speed	350 km/h (217 mph)
Chinese name
Simplified Chinese	成渝客运专线
Traditional Chinese	成渝客運專線
Transcriptions Standard Mandarin Hanyu Pinyin Chéngyú Kèyùn Zhuānxiàn
Route map Legend km elev Xi'an–Chengdu HSR from Xi'an North Chengdu–Kunming railway, Chengdu–Chongqing railway to Chengdu Dazhou–Chengdu railway to Dazhou, Chengdu–Chongqing railway to Chongqing 0 Chengdu East Xiushui Chengdu South Chengdu–Kunming railway to Kunming Chengdu–Guiyang HSR to Guiyang East, Emeishan Huaxingcon passing loop freight link to Chengdu–Kunming railway Dongfengqu Longquanshan tunnel Jiangxi 53 Jianyang South Tuo Chengdu–Chongqing railway 83 Ziyang North 124 Zizhong North Tuo Tuo Mianyang–Suining–Neijiang railway from Suining, Mianyang 153 Neijiang North Mianyang–Luzhou HSR to Zigong East, New Yibin, Luzhou Xiaoqinglong 179 Longchang North 213 Rongchang North Chengdu–Chongqing railway 223 Dazu South 5 crossing of Chengdu–Chongqing railway 245 Yongchuan East 275 Bishan Xinglongchang–Luohuang railway to Tongguanyi Liangtan He passing loop connecting line to Chongqing West Zhongliangshan tunnel Banbianshan passing loop Jingxi link to Jingkou, Chongqing North Xiangyang–Chongqing railway from Xiangyang 299 Shapingba Chengdu–Chongqing railway from Chengdu 307 Chongqing km This diagram: view talk edit

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Construction on the Chongqing section began on 22 March 2010 while work on the Sichuan section began on 11 November. The final tunnel achieved breakthrough on 16 December 2013 and a single track line was expected to open in first half of 2014. The complete double track configuration was due to be completed by the end of 2014.^[1] The line started operation on 26 December 2015,^[2] initially to Chongqing North until renovations were completed at Shapingba on 25 January 2018.^[3]

The railway reduced travel time between Chengdu and Chongqing to 75 minutes, 45 minutes quicker than the previous fastest route via Suining.^[4] Travel time was reduced further to only one hour on 24 December 2020, with the introduction of Fuxing trains and 350 km/h (220 mph) operations on the line.^[5][6]

An additional line is planned which will offer a faster journey time when complete, the Chengdu–Chongqing Central line high-speed railway.

There are 12 stations along the line:^[7]

Sichuan section

• Chengdu East railway station
• Jianyang South railway station
• Ziyang North railway station
• Zizhong North railway station
• Neijiang North railway station
• Longchang North railway station

Chongqing section

• Rongchang North railway station
• Dazu railway station
• Yongchuan East railway station
• Bishan railway station
• Shapingba railway station
• Chongqing railway station