The Bitong line of the Chongqing Suburban Railway is a suburban rapid transit line in Chongqing, China. It connects Tongliangxi[zh] in Tongliang District with Bishan station of the Chongqing Rail Transit, providing an interchange with Line 1 and through running with Line 27 in the future. It is 37.5 km long and features 9 stations.

Construction began in 2019. It opened on January 2, 2025 after a week of trial operation.

Opening timeline

SegmentCommencementLengthStation(s)Name
Bishan – TongliangxiJanuary 2, 202537.5 km (23.30 mi)9Initial section

Stations

Map
Route of Bitong line
Service routesStation No.Station nameConnectionsDistance kmLocation
EnglishChinese
↑Through-service to/from Huimin via Line 27
●●BT/09Bishan璧山Line 1 Bishan SkyShuttle-0Bishan
●●BT/08Bicheng璧城
●●BT/07Hebian河边
●●BT/06Qinglonghu (Under Construction)青龙湖
●●BT/05Dalu大路
●●BT/04Qinglong庆隆Tongliang
●●BT/03Sci-Tech Innovation Center科创新城
●●BT/02Tongliang Longcheng Paradise Walk铜梁龙城天街
●●BT/01Tongliangxi铜梁西