Beijing underground cross-city railway

Beijing underground cross-city railway
The entrance of Qiansanmen Tunnel
Overview
StatusOperational
LocaleBeijing
Termini
Stations2
Service
TypeHeavy rail
Operator(s)China Railway Beijing Group
Rolling stockHXD3D, SS9, CRH6
History
OpenedMarch 20, 2015
Technical
Line length9.156 km (6 mi)
Track gauge1,435 mm (4 ft 8+12 in) standard gauge
Minimum radius4500m
Electrification50 Hz 25,000 V
Operating speed120 km/h (maximum speed)
Maximum incline1.6%
Route map

Beijing
Beijing West

The Beijing underground cross-city railway is a short railway connection in Beijing. This railway line includes the Qiansanmen Tunnel. The speed limit is 120 km/h. It connects the important transportation hubs Beijing railway station and Beijing West railway station via a tunnel. It also connects lines from southern and western areas with lines from northeast China. The railway has a length span of 9.156 km (5.689 mi), and has been officially operational since March 20, 2015.

It is used by conventional railway lines such as K7752 from Shijiazhuang to Chengde via Beijing West railway station and Beijing railway station, as well as the commuter rail Sub-Central line of the Beijing Suburban Railway, which started in December 2017.