Zhonghe Line (TRTS)
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Zhonghe Line TRTS
Zhonghe-Xinlu line
Taipei Metro Line O.svg
Platform in Daqiaotou Station.JPG
Daqiaotou station platform
Other name(s)Orange line
TypeRapid transit
StatusIn service
LocaleTaiwan Taipei and New Taipei, Taiwan
TerminiLuzhou, Huilong
ServicesZhonghe Line,
Xinzhuang Line,
Luzhou Line
Operator(s)Taipei Rapid Transit Corporation
Rolling stockKawasaki C371 stock
Line length29.3 km (18.2 mi)
Track gauge
ElectrificationThird rail (750 volts DC)
Operating speed80 km/h (50 mph)
Zhonghe-Xinlu line
Traditional Chinese
Simplified Chinese
Alternative Chinese name
Traditional Chinese
Simplified Chinese

The Zhonghe-Xinlu or Orange line (code O) is a metro line in Taipei operated by Taipei Metro, named after the districts it connects: Zhonghe, Xinzhuang and Luzhou. The line starts at Nanshijiao in Zhonghe, passes through central Taipei, then splits into two branches: one to Huilong in Xinzhuang, and one to Luzhou.

The southern section between Nanshijiao and Guting opened in 1998. Due to heavy traffic for residents in the districts of Luzhou and Sanchong travelling in and out of central Taipei, a metro line was planned to meet this urgent need.[1] The line would eventually consist of two branches which connects to Guting via central Taipei. The extension fully opened in 2012.


On June 1992, the construction of Zhonghe Line began. It was the most difficult and arduous one among all lines of Taipei metro. The tunnels running through Zhonghe-Yonghe area had to pass under narrow streets, skyscrapers and crowded blocks, with limited spaces for underground station above ground. As a result, the whole neighborhood traffic had its so-called "Dark Ages" when the Cut-and-cover method was used for station platforms, concourses and crossovers during the 1990s. Besides the river-crossing section, the work suffered from biogas below the waterfront. After the construction, Zhonghe Line became more costly than all the other lines, 6,249 million NT dollars per kilometer.[2]

Since the line opened for service on 24 December 1998, it has been the most important access to downtown Taipei for nearly half a million of commuters who live in the district.

On 15 January 2011, Dongmen Station was still under construction while the track for the section from Zhongxiao Xinsheng to Guting (which passes through Dongmen Station) had already been laid.[3] At the time, Taipei Rapid Transit Corporation Vice Bureau Chief Chang Pei-yi noted that there was a possibility of opening the line for service while skipping both Dongmen and Guting stations, thus allowing for through service on the Orange Line.[3] However, this did not occur. The section opened for service on 30 September 2012 along with Dongmen Station.

On 18 December 2011, the 8.2 km (5.1 mi) Daqiaotou to Fu Jen University section passed final inspections by the Ministry of Transportation and Communications.[4] It opened for service on 5 January 2012.[5] On its first full day of service, the line served 82,000 passengers.[6] The line is expected to serve 100,000 passengers daily.

As of April 2016, the Xinzhuang Depot was still under construction and expected to be finished in January 2018, completing the Xinzhuang Line.[7]

Although the line was called the Luzhou Branch Line during construction, the name was changed to simply the Luzhou Line before it opened for service.

  • 2002: The Luzhou and Xinzhuang lines begin construction as part of Phase II development of the Taipei Metro.[8]
  • September 2007: Track laying begins for the Luzhou Line.
  • 25 September 2008: Since track laying has been completed for the Luzhou Line, tracks are laid for the segment of the Xinzhuang Line within Taipei.
  • 1 April 2009: Train testing begins for the Luzhou Line and the segment of the Xinzhuang Line within Taipei.
  • 22 August 2009: It is announced that although the line was to come into operation before the Spring Festival of 2010, due to malfunctions in the Neihu Line, service for the line would be pushed back to September 2010.[9]
  • 24 April 2009: The Department of Rapid Transit Systems (DORTS) denies saying that the line would open before the Spring Festival in 2010. The Executive Yuan sets the line to begin service by 31 December 2010. DORTS says it will push forward with an anticipated September 2010 opening date.[10]
  • 2 March 2010: DORTS says that the line is planned to open by 1 September 2010 in order to coincide with the Flora Expo. It will use the Taoyuan International Airport MRT's power as backup, so that by November 2010 the Xinzhuang Line can begin train testing through Touqianzhuang.[10]
  • May 2010: Construction for Sanchong Elementary School, Sanhe Junior High School, Luzhou, and Luzhou Depot is completed. Construction for Sanmin Senior High School and St. Ignatius High School is finishing up.
  • 30 June 2010: Construction finishes on all stations.
  • July 2010: Train testing begins.
  • September 4-5, 2010: The Luzhou Line and Xinzhuang Line city portion (to Zhongxiao Xinsheng) undergoes initial public testing.[11]
  • 3 November 2010: The line opens for service with the opening of the Luzhou to Zhongxiao Xinsheng section.[12] A free trial period for the line ran until 2 December 2010.[8]
  • 3 December 2010: The line began revenue service.[8]


Since its first three weeks after opening, the line (along with the Xinzhuang Line section) had reached a total ridership of over 3 million passengers, with an average of 157,000 passengers per day.[13] It is expected to cut travel time between Luzhou and Taipei by at least half,[14] with travel time between Luzhou and Taipei Main Station cut down to 17 minutes.[15] The system surpassed an annual ridership of 500 million for the first time on 29 December 2010, widely attributed to the opening of the new line.[16] The line has been effective in relieving congestion, with a 24% increase in average vehicle speed crossing Taipei Bridge (to Taipei) during rush hour since the opening of the line.[17] During the initial one-month trial, bus routes that ran parallel to the metro route experienced a 40% decrease in ridership, although bus ridership is expected to rise again after the end of the free trial.[18]

In anticipation of the opening of the new line, property prices along the route have risen by 36% since 2008.[19] Although small businesses along the line (most notably in Zhongshan and Datong, two older districts) have benefited from increased business during the free trial period, analysts noted that the initial business boon may only be short-lived and it may be years before these areas see real benefits as a result of the new line.[20]

Rolling stock

Over the years, three versions of rolling stock were used on this line, as well as on the through services between Nanshijiao and Beitou. Originally, the line used a large fleet of C301 train sets. In 1999, only a few C341 train sets were used. In 2007, some C371 train sets were introduced. Today, the entire fleet used on this line is the C371 train sets after the original C301 train sets were confined to the Tamsui and Xindian Lines upon the opening of Dongmen Station on 30 September 2012.


As of December 2017, the typical off-peak service is:


Code Image English name Chinese name Districts Branch Travel time to previous station (s)[21] Stop time at station (s)[21] Date opened Notes
O01 Exit 3, Nanshijiao Station 20190113.jpg Nanshijiao Zhonghe Main n/a n/a 1998-12-24
O02 TaipeiMRT JinganStation.jpg Jingan Zhonghe Main 103 25 1998-12-24 Change for Circular line
O03 Yongan Market Station Exit.JPG Yongan Market ? Yonghe, Zhonghe Main 88 25 1998-12-24
O04 Dingxi Yonghe Main 100 25 1998-12-24
O05 Guting Station Exit6.JPG Guting Daan, Zhongzheng Main 187 40 1998-12-24 Change for Songshan-Xindian line
O06 Dongmen Station Exit 8.JPG Dongmen Daan, Zhongzheng Main 192 35 2012-09-30 Change for Tamsui-Xinyi line
O07 Exit 1, Zhongxiao Xinsheng Station 20160706.jpg Zhongxiao Xinsheng ? Daan, Zhongzheng Main 118 35 2010-11-03 Change for Bannan line
O08 2.jpg Songjiang Nanjing ? Zhongshan Main 114 35 2010-11-03 Change for Songshan-Xindian line
O09 Exit 3, Xingtian Temple Station 20190615.jpg Xingtian Temple Zhongshan Main 75 35 2010-11-03
O10 3.JPG Zhongshan Elementary School ? Zhongshan Main 89 35 2010-11-03
O11 9.JPG Minquan West Road ? Datong, Zhongshan Main 72 45 2010-11-03 Change for Tamsui-Xinyi line
O12 ?1.JPG Daqiaotou Datong Main 75 35 2010-11-03
O13 Taipei Bridge Station ticket barriers 20120430.jpg Taipei Bridge Sanchong Huilong[b] 115 25 2012-01-05
O14 Exit 3, Cailiao Station 20181013.jpg Cailiao Sanchong Huilong 93 25 2012-01-05
O15 Exit 1, Sanchong Station 20170528.jpg Sanchong Sanchong Huilong 84 25 2012-01-05 Change for Taoyuan Airport MRT
O16 FileXianse Temple Station Exit2 IMG 3203.jpg Xianse Temple Sanchong Huilong 142 25 2012-01-05
O17 Touqignzhuang Station Exit 1.jpg Touqianzhuang Xinzhuang Huilong 105 25 2012-01-05 Change for Circular line
O18 MRT Xinzhang Station  - panoramio.jpg Xinzhuang Xinzhuang Huilong 93 25 2012-01-05
O19 Fu Jen University Station exit3.jpg Fu Jen University Xinzhuang Huilong 130 25 2012-01-05
O20 Exit 2, Danfeng Station 20160808.jpg Danfeng Xinzhuang, Taishan Huilong 110 25 2013-06-29
O21 Exit 1, Huilong Station 20130629.jpg Huilong Guishan, Xinzhuang Huilong 159 n/a 2013-06-29 Terminus of Huilong branch
O50 1(?).JPG Sanchong Elementary School ? Sanchong Luzhou 148[c] 30 2010-11-03 Connects to Daqiaotou
O51 Sanhe Junior High School Station - exit 2 - Dec 7 2013.jpg Sanhe Junior High School ? Sanchong Luzhou 104 30 2010-11-03
O52 Saint Ignatius High School Station Exit 1.jpg St Ignatius High School ? Luzhou Luzhou 82 30 2010-11-03
O53 2.JPG Sanmin Senior High School ? Luzhou Luzhou 87 30 2010-11-03
O54 1.JPG Luzhou Luzhou Luzhou 110 n/a 2010-11-03


  1. ^ Current form opened on 5 January 2012
  2. ^ known as Xinzhuang line by DORTS
  3. ^ to Daqiaotou


  1. ^ "Introduction to the MRT Luzhou Line". Taipei Rapid Transit Corporation. 2010-11-01. Retrieved .
  2. ^ :(?)?,?
  3. ^ a b " ?". The Liberty Times. 2011-01-15. Retrieved .
  4. ^ "MRT Xinzhuang line passes final inspection despite minor flaws". Taiwan News. 2011-12-18. Retrieved .
  5. ^ "MRT Xinzhuang line begins commercial service". Focus Taiwan News Channel. 2012-01-05. Retrieved .
  6. ^ "8.2 ". . 2012-01-06. Retrieved .
  7. ^ "Network: Second Stage". Department of Rapid Transit Systems, Taipei City Government. 2015-07-09. Retrieved .
  8. ^ a b c "Taipei MRT's Luzhou Line to start operations Wednesday afternoon". Focus Taiwan News Channel. 2010-11-02. Retrieved .
  9. ^ " 9-". Retrieved 2009.
  10. ^ a b "9 (2010.03.02)". Retrieved 2010.
  11. ^ "9?3?4 ?". Retrieved .
  12. ^ "MRT Luzhou line to open Nov. 3". Taipei Times. 2010-10-28. Retrieved .
  13. ^ " 305". UDN. 2010-11-25. Retrieved .
  14. ^ "President offers congratulations on opening of MRT Luzhou Line". Focus Taiwan News Channel. 2010-11-03. Retrieved .
  15. ^ "" (PDF). Department of Rapid Transit Systems, Taipei City Government. 2007-12-01. Retrieved .
  16. ^ "Record breaking year for Taipei's MRT network". The China Post. 2010-12-30. Retrieved .
  17. ^ (2010-11-26). "305? ". CardU ?. Retrieved .
  18. ^ "? ?". The Liberty Times. 2010-12-08. Retrieved .
  19. ^ "Luzhou Line property value rises through the roof". The China Post. 2010-09-03. Retrieved .
  20. ^ "Luzhou Line boom may be short-lived: vendors". Taipei Times. 2010-11-27. Retrieved .
  21. ^ a b "? | ". data.gov.tw (in Chinese). Retrieved 2019.

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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