Line 12 (Beijing Subway)

Line 12 of the Beijing Subway (Chinese: 北京地铁12号线; pinyin: běijīng dìtiě shí'èr hàoxiàn) is rapid transit line under construction in Beijing.[4] The line is 29.6 km (18.4 mi) with 20 stations. It is fully underground.[3] The line between Sijiqingqiao and Dongbabei is planned to open in 2024, due to planning adjustments east of Dongbabei.[1][2]

Line 12
Construction site of Changchunqiao station in July 2022
Overview
Other name(s)M12 (planned name)
StatusUnder Construction
Termini
  • Sijiqingqiao
  • Dongbabei
Stations20
Service
TypeRapid transit
SystemBeijing Subway
Depot(s)Tiancun, Dongba
Rolling stock8-car Type A
History
Planned opening2024 (planned)[1][2]
Technical
Line length29.6 km (18.4 mi)
CharacterUnderground[3]
Track gauge1,435 mm (4 ft 8+12 in)
Operating speed80 km/h (50 mph)
Route map

Tiancun yard
Yongding River diversion canal
Sijiqingqiao
Landianchang
Changchunqiao
Left arrow outer – inner Right arrow
Jingmi diversion canal
Suzhouqiao
Renmin Daxue (Renmin Univ.)
Dazhongsi
Jingzhang ICR Qinghuayuan tunnel
Xiaoyue river
Jimenqiao
Beitaipingzhuang
Madianqiao
Anhuaqiao
Anzhenqiao
Heping Xiqiao
Guangximen
Dongtucheng ditch
Ba river
Xibahe
Line 17 (opens 2023)
Left arrow JiahuihuFuture Science Park North Right arrow
connects line 17
Left arrow Capital Airport Express Beixinqiao
Left arrow line 10 inner
Sanyuanqiao
line 10 outer Right arrow
Capital Airport Express Terminal 3 Right arrow
Ba river
Jiangtaixi
Gaojiayuan
Tuofangying
CR Track Test Center
(Beijing circular railway)
Xiyangba
Dongba depot
Dongbabei
Beixiao river
Down arrow Caogezhuangbei
Dongba Beijie

Stations

Station Name Connections Distance
km
English Chinese
Haidian Wuluju
(proposed southern extension)
海淀五路居  6 
Sijiqingqiao 四季青桥[5]
Landianchang 蓝靛厂[5]
Changchunqiao 长春桥  10 
Suzhouqiao 苏州桥  16 
Renmin Daxue (Renmin Univ.) 人民大学  4 
Dazhongsi 大钟寺  13 
Jimenqiao 蓟门桥  Changping 
Beitaipingzhuang 北太平庄  19 
Madianqiao 马甸桥[5]
Anhuaqiao 安华桥  8 
Anzhenqiao 安贞桥[5]
Heping Xiqiao 和平西桥  5 
Guangximen 光熙门  13 
Xibahe 西坝河  17 
Sanyuanqiao 三元桥  10   Capital Airport 
Jiangtaixi 将台西[5]
Gaojiayuan 高家园  14 
Tuofangying 驼房营[5]      
Xiyangba 西阳坝[5]
Dongbabei 东坝北[5]  3 
Dongba Beijie
(under planning)
东坝北街

Rolling stock

A CRRC Changchun CCD5049 before delivery to Line 12

The line will use 8-car Type A rolling stock.

History

Line 12's route has undergone substantial changes on the planners' drawing board. In the late 1990s, one draft of the subway plan showed Line 12 running from the Beijing South railway station to Huangcun.[6] The Beijing South railway station was then built with subway platforms for only Lines 4 and 14. The old plan of Line 12 is cancelled now.

A new plan of Line 12 was announced at January 2012.[7] In June 2012, there were several media reports listing the planned stations of the line. The final planning of the line started from Sijiqing in Haidian District east to Guanzhuangluxikou in Chaoyang District, following the northern Third Ring Road.[8] The entire line has 21 stations,[4] of which 15 will have transfers with other lines.[9] The line will provide relief for the northern arc of the congested Line 10 loop line.[4]

References

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