CRT Line 6 (and the branch line branded as International Expo line) is the second heavy rail subway line in Chongqing, as well as being the longest rapid transit line in China, at 85.6 km (53.19 mi) long. It opened with provisional revenue service on September 28, 2012, and connects Nan'an, Yuzhong, and Jiangbei districts in central Chongqing.

The eastern extension of line 6 convers a distance of 6.79 km, this extension starts from Liujiaping and branches off towards Chongqingdong Railway Station, with 2 stations in between. The project began on 28 March 2022. It is opened in 27 June 2025.

Interior of a Line 6 train

Opening timeline

SegmentCommencementLengthStation(s)Name
Wulidian – Kangzhuang28 September 201213.91 km (8.64 mi)9Phase 1 (initial section)
Kangzhuang – Lijia26 December 20123.9 km (2.42 mi)1Phase 1 (2nd section)
Ranjiaba20 January 2013Infill station1
Lijia – Yuelai15 May 201312.1 km (7.52 mi)2International Expo line Phase 1
Lijia – Beibei31 December 201323.4 km (14.54 mi)4Phase 2 (northern section)
Jiuquhe, Tiansheng28 September 2014Infill stations2
Xiangjiagang26 November 2014Infill station1
Chayuan – Wulidian30 December 201419.2 km (11.93 mi)7Phase 1 (final section) & Phase 2 (southern section)
Pingchang, Huangmaoping28 February 2015Infill stations2
Caojiawan, Gaoyikou26 October 2015Infill stations2
Jiangbeicheng28 January 2016Infill station1
Yuelai – Shaheba31 December 202013.99 km (8.69 mi)7International Expo line Phase 2
Liujiaping – Chongqingdong Railway Station27 June 20256.79 km (4.22 mi)3Eastern extension

Map

Outdated, without the second branch from Chongqingdong Railway Station to Liujiaping.

Map
Route of Line 6

Stations

Service routesStation №Station nameConnectionsDistance kmLocation
EnglishChinese
/Chongqingdong Railway Station重庆东站24 27 Chongqing East railway station Chongqingdong0.000Nan'an
/Taohuaqiao桃花桥3.1313.131
/Baileyuan百乐园1.3254.456
/Chayuan茶园0.000Nan'an
/Qiujiawan邱家湾1.3181.318
/Changshengqiao长生桥1.6702.988
/Liujiaping刘家坪1.8454.833
1.6896.145
/Shangxinjie上新街Loop line6.70111.534
/Xiaoshizi小什字Line 1 181.39312.927Yuzhong
/Grand Theater大剧院1.21614.143Liangjiang
/Jiangbeicheng江北城Line 90.96115.104
/Wulidian五里店Line 9 Loop line1.42716.531
/Hongtudi红土地Line 101.41117.942
/Huangnibang黄泥磅1.38019.322
/Hongqihegou红旗河沟Line 31.21520.537
/Huahuiyuan花卉园41.32621.863
/Dalongshan大龙山Line 51.84323.706
/Ranjiaba冉家坝Line 5 Loop line1.00624.712
/Guangdianyuan光电园1.92926.641
/Dazhulin大竹林3.12029.761
/Kangzhuang康庄0.75630.517
/Jiuquhe九曲河2.16032.677
/Lijia礼嘉1.60634.283
/Jinshansi金山寺151.50335.786
/Caojiawan曹家湾5.14540.931
/Caijia蔡家2.00442.935
/Xiangjiagang向家岗1.89044.825
/Longfengxi龙凤溪8.77953.604Beibei
/Zhuangyuanbei状元碑1.80155.405
/Southwest University西南大学2.97758.382
/Beibei北碚1.78160.163
International Expo branch
/Happy Valley欢乐谷152.37836.661Liangjiang
/Huangmaoping黄茅坪2.80039.461
/Gaoyikou高义口3.43842.899
/International Expo Center国博中心2.32145.22
/Yuelai悦来Line 101.07546.295
/Wangjiazhuang王家庄Line 102.02348.318
/Qingxihe清溪河2.30850.626
/Liujiayuanzi刘家院子2.12052.746
/Siyuan思源2.92155.667
/Fuxing复兴1.70457.371
/Hongyanping红岩坪1.23558.606
/Shaheba沙河坝1.49160.097

Features

Caijia Rail Transit Bridge

The line crosses the Jialing River via Caijia Rail Transit Bridge (Chinese: 蔡家轨道大桥). Construction work began in October 2010 and it was completed in December 2013.