Songshan–Xindian Line

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Songshan–Xindian Line
Taipei Metro Line G.svg
Platform in Gongguan Station of the Taipei metro.JPG
Gongguan Station Platform
Overview
Other name(s) Green Line
Type Rapid transit
Locale Taipei and New Taipei, Republic of China
Termini Songshan
Taipower Building, Xindian
Stations 20
Operation
Opened November 11, 1999
Operator(s) Taipei Rapid Transit Corporation
Character Underground
Depot(s) Xindian Depot
Technical
Line length 21.5 km (13.4 mi)
Number of tracks 2
Track gauge 1,435 mm (4 ft 8 12 in)
Electrification Third rail (750 volts DC)
Operating speed 80 km/h
Songshan–Xindian Line
Alternative Chinese name
Traditional Chinese 松山新店線
Simplified Chinese 松山新店线
Second alternative Chinese name
Traditional Chinese 綠線
Simplified Chinese 绿线

Songshan–Xindian Line or Green Line (G as identifier) is a line of Taipei Metro. Parts of the line runs under the Roosevelt Road, following the route of the former TRA Xindian Line—which ceased service in 1965— on its southern section.

History[edit]

  • January 1991: Construction began on the Xindian Line.
  • November 21, 1997: The Songshan-Ximen section is approved by the Executive Yuan.
  • December 24, 1998: The segment from Chiang Kai-shek Memorial Hall-Guting opened for service.
  • November 11, 1999: The rest of the line opened for service, trains run through Tamsui Line to Tamsui Station.[1]
  • August 31, 2000: The segment from Chiang Kai-shek Memorial Hall-Ximen opened for service (as the Xiaonanmen Line).
  • September 29, 2004: The Xiaobitan Branch Line opened for service.[1]
  • August 19, 2006: Construction begins on the Songshan-Ximen section.[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-Ximen section.[5]
  • November 15, 2014: With the opening of Songshan Line, trains run between Songshan and Xindian Stations, forming Green Line. Tamsui-Xindian services ended.

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, as well as engineering feasibility and effectiveness problems. 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]

Line construction (Songshan section)[edit]

It was originally estimated that its opening will take place in 2013.[8]

Shield tunneling was used to construct most of the tunnels on the line, except for a few locations.[9] Tunneling beneath Dacheng St. crosses existing Taiwan Railway Administration and Taiwan High Speed Rail tunnels.[9] Common utility ducts were constructed in sync with the Metro line, carrying water pipes, gas pipes, and cables.[10] Over 200 homes were demolished or relocated to make way for Metro land use.[11]

Construction of the line was divided into three civil engineering section contracts and one electrical/mechanical system-wide contract.[12] 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.[13] 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 was completed in late 2014.

In 2008, steel price increases threatened to delay construction plans due to the price doubling over the previous two years.[14] 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.[15][16] The building moved 30 meters to the southeast, and moved back when construction is completed.[17]

Rolling stock[edit]

Over the years, three kinds of rolling stock were used on this line, as well as on the through services between Xindian and Tamsui. The first fleet of trains were the C301 cars. In 1997, C321 cars were added to the fleet. In 2007, a fleet of C371 cars replaced all C321 cars. (C321 cars continue services on Bannan Line.)

Stations[edit]

  • Green Line service routes are divided into:
Songshan - Xindian
Songshan - Taipower Building
  • Xiaobitan Branch Section:
Qizhang - Xiaobitan
Services Code Station Name Transfer Location
English Chinese
G19 Songshan 松山 Taiwan Railways Administration West Coast (098) Songshan Taipei
G18 Nanjing Sanmin 南京三民
G17 Taipei Arena 臺北小巨蛋
G16 Nanjing Fuxing 南京復興 Taipei Metro Line BR.svg (BR11) Songshan
Zhongshan
G15 Songjiang Nanjing 松江南京 Taipei Metro Line O.svg (O08) Zhongshan
G14 Zhongshan 中山 Taipei Metro Line R.svg (R11) Zhongshan
Datong
G13 Beimen
(Dadaocheng South)
北門
(大稻埕南)
300 m: Taoyuan Metro     Taoyuan Airport MRT (A1 Taipei Main) Datong
G12 Ximen 西門 Taipei Metro Line BL.svg (BL11) Wanhua
Zhongzheng
G11 Xiaonanmen 小南門 Zhongzheng
G10 Chiang Kai-shek Memorial Hall
(Nanmen)
中正紀念堂
(南門)
Taipei Metro Line R.svg (R08)
G09 Guting 古亭 Taipei Metro Line O.svg (O05) Zhongzheng
Da'an
G08 Taipower Building 台電大樓
G07 Gongguan
(National Taiwan University)
公館
(台灣大學)
G06 Wanlong 萬隆 Wenshan
G05 Jingmei 景美
G04 Dapinglin 大坪林  Y  [2017] Xindian New Taipei
G03 Qizhang 七張
G03A Xiaobitan
(Xindian Senior High School)
小碧潭
(新店高中)
G02 Xindian District Office 新店區公所
G01 Xindian
(Bitan)
新店
(碧潭)

See also[edit]

References[edit]

  1. ^ a b Cite error: The named reference firststage was invoked but never defined (see the help page).
  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 Metro Network: Green line". Department of Rapid Transit Systems, Taipei City Government. 2008-11-06. Retrieved 2010-11-29. 
  9. ^ a b "捷運系統松山線簡介" (PDF). Department of Rapid Transit Systems, Taipei City Government. 2010-09-01. Retrieved 2010-11-29. 
  10. ^ "捷運松山線共同管道設計". Department of Rapid Transit Systems. 2008-08-01. Retrieved 2010-06-19. 
  11. ^ "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. 
  12. ^ "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. 
  13. ^ "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. 
  14. ^ "Rising steel prices to delay work on new MRT lines". Steel Guru. 2008-03-06. Retrieved 2010-07-01. 
  15. ^ "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. 
  16. ^ "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. 
  17. ^ "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.