Bitong line

Bitong line
Overview
Other name(s)	Bishan-Tongliang line
Native name	重庆市郊铁路璧铜线
Status	Operational
Locale	Chongqing, China
Termini	Bishan Tongliangxi
Stations	9 (8 in operation)
Service
Type	Rapid transit
System	Chongqing Rail Transit Chongqing Suburban Railway
History
Opened	January 2, 2025 (2025-01-02)
Technical
Line length	37.5 km (23.3 miles)
Number of tracks	2
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Electrification	Overhead line 25 kV AC
Operating speed	140 km/h (87 mph)
Route map Bitong line Tongliang depot Tongliangxi Tongliang Longcheng Paradise Walk Sci-Tech Innovation Center Qinglong Yunwu Mountains Dalu Qinglonghu Hebian Dazu line Bicheng Line 27 Bishan depot Bishan 1 Jinyun Mountains Huxi Daxuechengnan Zhaishanping Xiyong Zhongliang Mountains Ciqikou 1 Shapingba Loop 1 9 Shiqiaopu 1 5 Chongqing Medical University Lianglukou 1 3 Chongqing Railway Station Line 1 to Chaotianmen Line 26 across Yangtze River Nanbinlu Nanping 3 10 Tongluo Mountains Guangfu Avenue Chongqingdong Railway Station Huimin Huimin depot Nanchuan line

The Bitong line of the Chongqing Suburban Railway is a suburban rapid transit line in Chongqing, China. It connects Tongliangxi 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.^[1]

Construction began in 2019. It opened on January 2, 2025 after a week of trial operation.^[2][3][4]