North South MRT line

The North South MRT line is the first Mass Rapid Transit (MRT) line in Singapore to be built. It is 45 km long with 27 stations, and it is being operated by SMRT Trains. It would usually take one hour to travel from one end of the MRT line to the other. This line is coloured red on the MRT Rail map.

This line joins the Central area of Singapore to the Northern and Southern areas of Singapore. To transfer to the East West MRT line, a commuter can transfer at Jurong East, Raffles Place or City Hall. Transferring to the North East MRT Line is done at Dhoby Ghaut with a linkway. Bishan MRT Station, Dhoby Ghaut MRT Station and Marina Bay MRT Station can transfer a commuter to the Circle MRT Line. Transfer to the Downtown line is provided at Newton MRT Station.

History
Main route
The first section of the north south line opened on 7 November 1987 between Toa Payoh and Yio Chu Kang. Afterwards, the section to Outram Park (now on the East West MRT line) opened. Following that, the rest of the line opened stage by stage.

Woodlands Extension
The Woodlands Extension was planned to close the gap between Yishun and Choa Chu Kang. It consists of 6 stations, and opened on 10 February 1996.

Marina South Pier extension (NSLe)
A 1-kilometre extension of the line to Marina South Pier MRT Station was opened in 2014.

Timeline of stations opened
 7 November 1987: Yio Chu Kang – Toa Payoh 
 12 December 1987: Toa Payoh – Raffles Place
 20 December 1988: Yio Chu Kang – Yishun
 4 November 1989: Raffles Place – Marina Bay
 10 March 1990: Jurong East – Choa Chu Kang 
 10 February 1996: Yishun – Choa Chu Kang
 23 November 2014: Marina Bay – Marina South Pier
 2 November 2019: Canberra

Major Incidents
2011

2015

2017
On 7 October, services on the line was stopped between Ang Mo Kio and Marina South Pier around 6pm, after the tunnels between Bishan and Braddell flooded following heavy rain, and a fire was seen near Raffles Place. Services between Newton and Marina South Pier was resumed at around 9.30pm but the section between Newton and Ang Mo Kio remained closed overnight. It opened at 2pm the following day after staff and the SCDF worked overnight to clear the water from the tunnel. SMRT reported that a faulty water pump was the cause of the flooding. This was the worst train incident in SMRT's history.

 Stations 

 Station Number Station Name Interchange/NotesJurong EastCross-platform interchange with the 
Interchange with the  (2027)Bukit Batok Bukit Gombak Brickland Opening in mid-2030sChoa Chu KangInterchange with the  and the  (2026)Yew Tee Sungei KadutInterchange with the 
Opening in mid-2030sKranji Marsiling WoodlandsInterchange with the  (2020)Admiralty Sembawang CanberraStation being built on top of already opened line, opened on 2 November 2019Yishun Khatib Yio Chu Kang Ang Mo KioInterchange with the  (2029)BishanInterchange with the Braddell Toa Payoh Novena NewtonInterchange with the OrchardInterchange with the  (2022)Somerset Dhoby GhautInterchange with the  and City HallCross-platform interchange with the Raffles PlaceCross-platform interchange with the Marina BayInterchange with the  extension and the  (2022)Marina South Pier

References

Category:1987 establishments in Singapore
Category:Mass Rapid Transit (Singapore) lines