Beijing underground cross-city railway

Last updated
Beijing underground cross-city railway
201606 Beijing Underground Tunnel Beijing Station Entrance.jpg
The entrance of Qiansanmen Tunnel
Overview
StatusOperational
Locale Beijing
Termini
Stations2
Service
Type Heavy rail
Operator(s) China Railway Beijing Group
Rolling stock HXD3D, SS9, CRH6 [lower-alpha 1]
History
OpenedMarch 20, 2015
Technical
Line length9.156 km (6 mi)
Track gauge 1,435 mm (4 ft 8+12 in) standard gauge
Minimum radius 4500m
Electrification 50 Hz 25,000 V
Operating speed120 km/h (maximum speed) [1]
Maximum incline 16%
Route map

Contents

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Beijing
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Beijing West
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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. [1] 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. [3] The railway has a length span of 9.156 km (5.689 mi), and has been officially operational since March 20, 2015. [4]

It is used by conventional railway lines such as K7752 from Shijiazhuang to Chengde via Beijing West railway station and Beijing railway station. It is also used by the commuter rail service in Beijing, the Sub-Central line of the Beijing Suburban Railway, which started in December 2017. [5] [6]

History

In the early 1980s a plan was proposed to connect Beijing railway station to Beijing West railway station via a conventional railway. This was an important part of the overall planning of Beijing West railway station's renovation, originally announced as part of the "Eighth Five-Year Plan". However, due to technical difficulties and other factors, this project did not begin.

Train Z622 enters into Qiansanmen Tunnel 201606 Z622 enters into Beijing underground tunnel.jpg
Train Z622 enters into Qiansanmen Tunnel

Construction

Main technical standards

Notes

  1. 1 2 CRH6 only used by the Sub-Central line of Beijing Suburban Railway, the commuter rail service in Beijing.

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