Songshan Line

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Songshan Line
Taipei Metro Logo(Logo Only).svg
MRT Songshan Line Under Construction.JPG
Songshan Line construction
Type Rapid transit
Locale Taipei
Termini Ximen
Songshan Station
Stations 7
Operator(s) Taipei Rapid Transit System
Character Underground
Depot(s) Xindian Depot
Line length 8.5 km (5.3 mi)
No. of tracks 2
Track gauge 4 ft 8 12 in (1,435 mm)
Route map
 TRA Western Line toward Nangang 
SongshanTransfer to TRA
 TRA Western Line toward Taipei Station 
Nanjing Sanmin
Taipei Arena
 Wenshan Line toward Zhongshan Junior High School 
Nanjing East Road
 Wenshan Line toward Zhongxiao Fuxing 
 Xinzhuang Line toward Xingtian Temple 
Songjiang Nanjing
 Xinzhuang Line toward Zhongxiao Xinsheng 
 Danshui Line toward Shuanglian 
 Danshui Line toward Taipei Main Station 
 Nangang Line toward Taipei Main Station 
 Banqiao Line toward Longshan Temple 
 Xiaonanmen Line toward Xiaonanmen 
This route map:
Songshan Line
Traditional Chinese 松山線
Simplified Chinese 松山线

The Taipei Metro Songshan Line is a high-capacity subway line currently under construction in Taipei, Taiwan. It is an extension of the Xindian Line. When completed, it will help ease congestion on the east-west Bannan Line.

The 8.5 km (5.3 mi) route will have seven underground stations (including Ximen).[1] Upon completion, it will take 15 minutes to travel from Songshan to Ximen.[1]


The line will extend north from Ximen along Zhonghua Rd. to Tacheng St., turning northeast to Tianshui Rd. before heading east along Nanjing East and West Rd. (Sec. 1-5). It will then turn southeast along Bade Rd. before terminating at TRA Songshan Station.[1]


  • November 21, 1997: The Songshan Line is approved by the Executive Yuan.
  • August 19, 2006: Construction begins on the Songshan Line.[2]
  • December 2008: During underground excavation along Nanjing East Road, Section 3, underground support (anchors) for several nearby buildings were discovered. Structural concerns resulted in a temporary suspension of excavation and construction.[3][4]
  • January 14, 2009: The city government announced that the building anchors would not affect the opening of the Songshan Line.[5]

Tianshui Road Station[edit]

Initial plans for the line originally called for another station between Zhongshan and Beimen stations (at Chien-Cheng Circle). However, the Circle was suffering from economic concerns and engineering feasibility and effectiveness problems existed. Coupled with problems with landowners regarding joint developments and two of the entrances/exits, plans for the station were shelved on May 1, 2007.[6] The station would have been a five-level, underground station with stacked, split platforms.[7]

Planned dates[edit]

  • End of 2014: Planned start date for the opening of the Songshan Line.[8]

Line Construction[edit]

As of December 2013, construction was 93% complete,[9] and it was originally estimated that its opening will take place in 2013.[10]

Shield tunneling is being used to construct most of the tunnels on the line, except for a few locations.[1] Tunneling beneath Dacheng St. will cross existing Taiwan Railway Administration and Taiwan High Speed Rail tunnels.[1] Common utility ducts will be constructed in sync with the Metro line, carrying water pipes, gas pipes, and cables.[11] Over 200 homes have been demolished or relocated to make way for Metro land use.[12]

Construction of the line is divided into three civil engineering section contracts and one electrical/mechanical system-wide contract.[13] The contract for construction on the eastern end of the line (including Nanjing Sanmin and Songshan) was awarded to Da Cin Construction Co., Ltd. on March 2, 2006.[14] The 3.02 km (1.88 mi)-long section includes a crossover section, a tail-track work shaft, and three shield tunnels. Construction of the line is expected to be completed by late 2014.

In 2008, steel price increases threatened to delay construction plans due to the price doubling over the previous two years.[15] The Ministry of Economic Affairs ordered that exports of other steel products be strictly supervised to ensure a steady local supply and to keep prices down.

Taipei Workshop, a 3rd level historical monument constructed during the era of Japanese rule, was exactly where the proposed Beimen Station would be located. Thus, a temporary removal project commenced on October 20, 2006 to move the structure until construction of both the Songshan Line and the Taoyuan International Airport MRT are completed.[16][17] The building will be moved 30 meters to the southeast, and will be moved back when construction is completed.[18]


Songshan Line.png

Code Station Name Transfer Location
English Chinese
G22 Songshan 松山 TRA Western Line Songshan Taipei
G21 Nanjing Sanmin 南京三民
G19 Taipei Arena 臺北小巨蛋
G18 Nanjing East Road 南京東路 Wenhu Line Zhongshan
G17 Songjiang Nanjing 松江南京 Zhonghe-Xinlu Line Zhongshan
G16 Zhongshan 中山 Tamsui-XInyi Line Datong
G14 Beimen 北門 Datong
G13 Ximen 西門 Bannan-Tucheng Line Zhongzheng
← Continues through Xiaonanmen Line then Xindian Line


  1. ^ a b c d e "捷運系統松山線簡介". Department of Rapid Transit Systems, Taipei City Government. 2010-09-01. Retrieved 2010-11-29. 
  2. ^ "Construction of new Taipei MRT line gets under way". The China Post. 2006-08-20. Retrieved 2010-07-01. 
  3. ^ "挖到大樓地錨 捷運松山線停擺". 自由時報. 2009-01-10. Retrieved 2009-12-06. 
  4. ^ "松山線挖到地錨 環亞段施工暫停". 公視新聞網. Retrieved 2009-12-06. 
  5. ^ "臺北捷運松山線施工挖到環亞百貨大樓地錨捷運局強調不影響松山線通車時程". 臺北市政府捷運工程局中區工程處新聞稿. 2009-01-14. Retrieved 2011-07-31. 
  6. ^ "松山線規劃現況". 2011-05-17. Retrieved 2010-07-31. 
  7. ^ "捷運松山線 CG590A 公開閱覽訊息". Retrieved 2011-07-31. 
  8. ^ "Taipei Metropolitan Area MRT Systems—Songshan Line". Retrieved 2013-09-12. 
  9. ^ "興建路線-工程進度". Department of Rapid Transit Systems, Taipei City Government. 2014-01-02. Retrieved 2014-01-03. 
  10. ^ "Taipei Metro Network: Green line". Department of Rapid Transit Systems, Taipei City Government. 2008-11-06. Retrieved 2010-11-29. 
  11. ^ "捷運松山線共同管道設計". Department of Rapid Transit Systems. 2008-08-01. Retrieved 2010-06-19. 
  12. ^ "捷運松山線工程用地地上物拆遷作業". Department of Rapid Transit Systems. 2009-02-01. Retrieved 2010-06-19. 
  13. ^ "工程線上 Status Report: 捷運松山線工程特色". Department of Rapid Transit Systems. 2006-11-01. Retrieved 2010-06-19. 
  14. ^ "捷運松山線CG590C區段標工程簽約". Department of Rapid Transit Systems. 2006-05-01. Retrieved 2010-06-19. 
  15. ^ "Rising steel prices to delay work on new MRT lines". Steel Guru. 2008-03-06. Retrieved 2010-07-01. 
  16. ^ "工程線上 Status Report: 松山線北門站臺北工場古蹟挪移工程". Department of Rapid Transit Systems. 2006-12-01. Retrieved 2010-06-19. 
  17. ^ "松山線北門站臺北工場古蹟挪移工程施工前之舊地坪及基礎探挖". Department of Rapid Transit Systems. 2007-02-01. Retrieved 2010-06-19. 
  18. ^ "工程線上 Status Report: 松山線北門站臺北工場古蹟挪移工程". Department of Rapid Transit Systems. 2008-01-01. Retrieved 2010-06-19.