The Beijing underground cross-city railway is a short railway connection in

Beijing } Beijing ( ; ; ), alternatively romanized as Peking ( ), is the capital of the People's Republic of China. It is the center of power and development of the country. Beijing is the world's most populous national capital city, with over 21 ...

. The speed limit is 120 km/h. It connects the important transportation hubs Beijing railway station and

Beijing West railway station Beijingxi (Beijing West) railway station (), colloquially referred to as ''West Station'' (), is located in western Beijing's Fengtai District. Opened in early 1996 after three years of construction, it was the largest railway station in Asi ...

via a tunnel. It also connects lines from southern and

western Western may refer to: Places *Western, Nebraska, a village in the US *Western, New York, a town in the US *Western Creek, Tasmania, a locality in Australia *Western Junction, Tasmania, a locality in Australia *Western world, countries that id ...

areas with lines from

northeast China Northeast China or Northeastern China () is a geographical region of China, which is often referred to as "Manchuria" or "Inner Manchuria" by surrounding countries and the West. It usually corresponds specifically to the three provinces east of ...

. The railway has a length span of , and has been officially operational since March 20, 2015. It is used by conventional railway lines such as K7752 from Shijiazhuang to

Chengde Chengde, formerly known as Jehol and Rehe, is a prefecture-level city in Hebei province, situated about 225 km northeast of Beijing. It is best known as the site of the Mountain Resort, a vast imperial garden and palace formerly used by ...

via

and Beijing railway station. It is also used by the commuter rail service in Beijing, the Sub-Central line of the

Beijing Suburban Railway BCR (''Beijing City Rail'') also known as Beijing Suburban Railway is a commuter rail service that connects urban Beijing with outlying districts beyond the reach of the city's Beijing Subway network. The suburban rail services run on existin ...

, which started in December 2017.

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. 201606 Z622 enters into Beijing underground tunnel

201606 Z622 enters into Beijing underground tunnel

* December 24, 2005: A proposal was made with the aim of completing the construction within 2.5 years, in time for the 2008 Beijing Olympic Games. However, in 2007, the project was delayed and couldn't be completed before the Beijing Olympics. * July 2013: The construction project was successfully completed * December 19, 2014: The line passed static inspection. * December 30, 2014: Test trains tested on the tracks. * March 20, 2015: Beijing underground cross-city railway officially opened with the first trains running from Shijiazhuang to Chengde (K7742/7743, K7744/7741) train. * May 15, 2016: Train Z621/622 and Z721/722 Beijing–Lhasa trains, and trains from

Shenyang North railway station Shenyangbei (Shenyang North) railway station () is a railway station on several railways: the Harbin–Dalian section of the Beijing–Harbin High-Speed Railway, Jingha Railway, Hada Railway, Qinshen Passenger Railway, Shenda Railway, Shen ...

/ Changchun railway station to

, started to use the tunnel to travel from Beijing–Guangzhou Railway to Beijing–Harbin Railway. * December 31, 2017: The commuter rail service in Beijing, the Sub-Central line of the

, started to use Beijing underground cross-city railway by

CRH6 The CRH6 Hexie (simplified Chinese: 和谐号; traditional Chinese: 和諧號; pinyin: Héxié Hào; literally: "Harmony") is a regional/ commuter high-speed train of the People's Republic of China. It is designed by CRRC Qingdao Sifang and will ...

A. The Sub-Central line runs from

Tongzhou railway station Tongzhou may refer to: Modern locations * Tongzhou District, Beijing (), named after a historical prefecture *Tongzhou District, Nantong (), Jiangsu, named after a historical prefecture * Tongzhou, Guizhou (), town in and subdivision of Pingtang C ...

. * October 11, 2022: Trains G7812/7813, G7814/7811 (Chengde South - Handan East) and G7816/7817, G7818/7815 (Chengde South - Shijiazhuang) started to use the tunnel, linking Beijing-Harbin HSR and Beijing-Guangzhou HSR.

Construction

* Construction Unit: Beijing Railway Bureau * Construction Unit: China Railway Liu Ju Group Limited, China Railway 16 Bureau Group Co., Ltd., China Railway Bureau Group, a company tunnel * Designer: Third Railway Survey and Design Institute * Supervisor: Academy of Railway Sciences Engineering Construction Supervision Department, China Railway Engineering Consulting Corporation, Beijing Railway Construction Engineering Co. Ltd.

Main technical standards

* Railroad grade: I level * Number of main lines: Double * Minimum curve radius: General area 800 meters, 550 meters in difficult sections * Limiting gradient: 1.6% * Effective train length: 650 m * Type of traction: Electric traction * Rolling stock: HXD3D, SS9,

* Block type: Automatic block

Notelist

References

{{DEFAULTSORT:Beijing Underground Cross City Railway Rail transport in Beijing Standard gauge railways in China Railway lines opened in 2015