Bannan line
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The Bannan line (Chinese:板南線; also known as the Blue line) is a metro line of Taipei Metro in Taipei, Taiwan, with a total of 23 stations serving the districts of Nangang, Xinyi, Daan, Zhongshan, Wanhua, Banqiao and Tucheng. The line's name is a portmanteau of "Banqiao" and "Nangang".
The entire line runs underground. The excavation of tunnels using the cut-and-cover method resulted in large scale detouring of road traffic. Because of that, the line runs beneath existing roads and totals 28.3km (17.6mi).
Overview
Service on this line is divided into a full-length service from Taipei Nangang Exhibition Center to Dingpu, as well as a shorter service from Kunyang to Far Eastern Hospital.
Due to Taipei City Hall being at the centre of the Taipei 101 New Year's festivities, intervals between trains can be reduced to a minimum of 135 seconds, transporting up to 39,000 passengers per hour. This results in an average of about 27 trains per hour on the line during peak hours.
History
- 8 November 1990: The Nangang section begins construction.
- 30 December 1991: The Taipei Main Station western underground passageway opens.
- 24 December 1993: Nangang section construction at the intersection of Zhongxiao East Rd and Shaoxing Rd caves in, causes traffic jams.
- 30 October 1998: Construction is completed on the tunnel between Kunyang and Houshanpi.
- 17 September 2001: Typhoon Nari floods many stations, rendering them nonoperational.
- 29 November 2001: Taipei Main Station re-opens for service.
- 30 December 2003: The Nangang section eastern extension to Nangang begins construction.
- 17 November 2004: The Nangang section eastern extension to Taipei Nangang Exhibition Center begins construction.
- 21 May 2014: The 2014 Taipei Metro attack occurs between Longshan Temple and Jiangzicui when 21-year-old university student Cheng Chieh attacks passengers with a knife, leading to 4 deaths and 24 injuries.
- 28 September 2018: Half-height platform edge doors are installed in Tucheng, making all stations on this line and the entire Taipei Metro system have some form of platform doors.
Stations
| Date | Description | Remarks |
|---|---|---|
| 24 December 1999 | Taipei City Hall to Longshan Temple | Revenue service |
| 31 August 2000 | Longshan Temple to Xinpu | |
| 30 December 2000 | Kunyang to Taipei City Hall | |
| 27 May 2006 | Banqiao to Tucheng | Trial service |
| 31 May 2006 | Xinpu to Yongning | Revenue service |
| 16 May 2008 | Taipei Main Station to Nangang | Trial service |
| 25 December 2008 | Revenue service | |
| 27 February 2011 | Nangang to Taipei Nangang Exhibition Center | |
| 6 July 2015 | Yongning to Dingpu |
Services
As of December 2017, the typical off-peak service is:
- 8 trains per hour (tph) between Far Eastern Hospital and Kunyang
- 7 tph between Dingpu and Taipei Nangang Exhibition Center