Line Stage Date Length Stretch Stations Cost Commencement Service commencement Service retirement Names Codes Elevated At-grade Underground Contemporary Retired North–South Line East–West Line Phase 1 22 October 1983 ; (1983-10-22 )7 November 1987 ; (1987-11-07 )— 6 km [ 1] Yio Chu Kang - Toa Payoh NS15 NS19 N10 - N6 240% ) 120% ) 240% ) Total cost of Phases 1 and 2 of NSEWL: S$5 billion 12 December 1987 ; (1987-12-12 )TBD Toa Payoh - Raffles Place NS19 EW14 NS26 N6 - C1 — — 7100% ) Raffles Place - Outram Park EW14 NS26 EW16 C1 - W2 — — 2100% ) Phase 1A January 1984 ; years ago (1984-01 )12 March 1988 ; (1988-03-12 )TBD Outram Park - Clementi EW16 EW23 W2 - W8 583% ) — 117% ) Phase 2B July 1984 ; years ago (1984-07 )5 November 1988 ; (1988-11-05 )TBD Clementi - Lakeside EW23 EW26 W8 - W11 3100% ) — — June 1985 ; years ago (1985-06 )20 December 1988 ; (1988-12-20 )TBD Yio Chu Kang - Yishun NS15 NS13 N10 - N12 2100% ) — — Separation of North–South and East–West lines 4 November 1989 ; (1989-11-04 )— North–South Line Phase 2A January 1985 ; years ago (1985-01 )4 November 1989 ; (1989-11-04 )— TBD Raffles Place - Marina Bay NS26 NS27 C1 - M1 — — 1100% ) Total cost of Phases 1 and 2 of NSEWL: S$5 billion Phase 2B(Branch Line ) June 1985 ; years ago (1985-06 )10 March 1990 ; (1990-03-10 )6.5 km Jurong East - Choa Chu Kang NS1 NS4 W9 - B3 3100% ) — — Woodlands Extension TBD 10 February 1996 ; (1996-02-10 )16 km Choa Chu Kang - Yishun NS4 NS13 — 6100% ) — — S$1.2 billion [ 2] North–South Line Extension December 2009 ; years ago (2009-12 ) [ 3] 23 November 2014 ; (2014-11-23 )1 km Marina Bay - Marina South Pier NS27 NS28 — — — 1100% ) S$357.5 million [ 3] Canberra station (infill) 26 March 2016 ; (2016-03-26 ) [ 4] 2 November 2019 ; (2019-11-02 )— Canberra NS12 — 1100% ) — — S$274 million [ 5] Brickland station (infill) TBD 2034 ; years' time (2034 )— Brickland NS3A — 1100% ) — — TBD Sungei Kadut stations (infill) TBD 2036 ; years' time (2036 )— — Sungei Kadut NS6 DT2 — 1100% ) — — TBD North–South Line total (excluding cost) — 22 October 1983 ; (1983-10-22 )7 November 1987 ; (1987-11-07 )— 45 km Jurong East - Marina South Pier NS1 NS28 — 17 (59% ) 1 (3% ) 11 (38% ) Tallied below 29 (100% ) East–West Line Phase 2A January 1985 ; years ago (1985-01 )4 November 1989 ; (1989-11-04 )— TBD City Hall - Tanah Merah EW13 EW4 C2 - E9 778% ) — 222% ) Total cost of Phases 1 and 2 of NSEWL: S$5 billion June 1985 ; years ago (1985-06 )16 December 1989 ; (1989-12-16 )TBD Tanah Merah - Pasir Ris EW4 EW1 E9 - E12 3100% ) — — Phase 2B January 1988 ; years ago (1988-01 )6 July 1990 ; (1990-07-06 )TBD Lakeside - Boon Lay EW26 EW27 W11 - W12 1100% ) — — Changi Airport Extension TBD 10 January 2001 ; (2001-01-10 )TBD Tanah Merah - Expo CG CG1 — 1100% ) — — S$850 million [ 6] TBD 8 February 2002 ; (2002-02-08 )TBD Expo - Changi Airport CG1 CG2 — — — 1100% ) Dover station (infill) TBD 18 October 2001 ; (2001-10-18 )— Dover EW22 — 1100% ) — — S$45 million [ 7] Boon Lay Extension TBD 28 February 2009 ; (2009-02-28 )3.8 km Boon Lay - Joo Koon EW27 EW29 — 2100% ) — — S$436 million [ 8] Tuas West Extension TBD 18 June 2017 ; (2017-06-18 )7.5 km Joo Koon - Tuas Link EW29 EW33 — 4100% ) — — S$3.5 billion [ 9] East–West Line total (excluding cost) — 56.7 km — 27 (77% ) — 8 (23% ) Tallied bellow 35 (100% ) North–South Line East–West Line — S$11.67 billion [ note 1] North East Line — 25 November 1997 ; (1997-11-25 )20 June 2003 ; (2003-06-20 )— 20 km HarbourFront - Punggol NE1 NE3 NE10 NE12 NE14 NE16 NE17 — — 14100% ) S$4.6 billion Buangkok station 15 January 2006 ; (2006-01-15 )Buangkok NE15 — 1100% ) TBD Woodleigh station 20 June 2011 ; (2011-06-20 )Woodleigh NE11 — 1100% ) TBD North East Line Extension TBD 10 December 2024 ; (2024-12-10 )1.6 km Punggol - Punggol Coast NE17 NE18 — 1100% ) S$79 million [ 10] North East Line total — 21.6 km HarbourFront - Punggol Coast NE1 NE18 — — — 17 (100% ) S$5.39 billion [ note 2] 17 (100% ) Circle Line Stage 3 May 2003 ; years ago (2003-05 )28 May 2009 ; (2009-05-28 )— 5.7 km [ 11] Bartley - Marymount CC12 CC16 — — 5100% ) TBD Stage 2 5 September 2002 ; (2002-09-05 )17 April 2010 ; (2010-04-17 )5.5 km [ 12] [ 11] Bartley - Mountbatten CC12 CC7 — 5100% ) TBD Stage 1 5 March 2002 ; (2002-03-05 )5.5 km [ 11] Mountbatten - Dhoby Ghaut CC7 CC1 — 6100% ) TBD Stage 4 January 2005 ; years ago (2005-01 )8 October 2011 ; (2011-10-08 )9.8 km Marymount - Kent Ridge CC16 CC17 CC19 CC24 — 7100% ) TBD Stage 5 6.8 km Kent Ridge - HarbourFront CC24 CC29 — 5100% ) TBD Circle Line Extension November 2007 ; years ago (2007-11 ) [ 13] 14 January 2012 ; (2012-01-14 )2.4 km Promenade - Marina Bay CC4 CE2 — 2100% ) S$811.4 million [ 14] [ note 3] Stage 6 TBD 2026 ; year's time (2026 )4.0 km HarbourFront - Marina Bay CC29 CE2 — 3100% ) S$4.85 billion [ 15] Bukit Brown station (infill) TBD TBD — Bukit Brown CC18 — 1100% ) TBD Circle Line total — 39.7 km — — — 34 (100% ) S$15.67 billion [ note 4] 34 (100% ) Downtown Line Stage 1 TBD 22 December 2013 ; (2013-12-22 )— 4.3 km Bugis - Chinatown DT14 DT19 — — — 6100% ) TBD Stage 2 3 July 2009 ; (2009-07-03 )27 December 2015 ; (2015-12-27 )16.6 km Bugis - Bukit Panjang DT14 DT5 DT3 DT1 — — — 12100% ) TBD Stage 3 TBD 21 October 2017 ; (2017-10-21 )21.0 km Chinatown - Expo DT19 DT35 — — — 16100% ) TBD Hume station (infill) 28 February 2021 ; (2021-02-28 )28 February 2025 ; (2025-02-28 )— Hume DT4 — — — 1100% ) TBD Stage 3 Extension TBD 2026 2.2 km Expo - Sungei Bedok DT35 DT37 — — — 2100% ) TBD Stage 2 Extension TBD 2040 TBD Bukit Panjang - Sungei Kadut TBD — TBD TBD TBD TBD Downtown Line total — TBD Sungei Kadut - Sungei Bedok DT1 DT37 — TBD TBD 37100% ) TBD 37 (100% ) Thomson–East Coast Line Stage 1 TBD 31 January 2020 ; (2020-01-31 )— 2.9 km Woodlands North - Woodlands South TE1 TE3 — — — 3100% ) TBD Stage 2 TBD 28 August 2021 ; (2021-08-28 )11.4 km Woodlands South - Caldecott TE3 TE9 — — — 6100% ) TBD Stage 3 TBD 13 November 2022 ; (2022-11-13 )13.5 km Caldecott - Gardens by the Bay TE9 TE11 TE20 TE22 — — — 11100% ) TBD Mount Pleasant station TBD Mount Pleasant TE10 — — — 1100% ) TBD Marina South station TBD Marina South TE21 — — — 1100% ) TBD Stage 4 TBD 23 June 2024 ; (2024-06-23 )10.1 km Gardens by the Bay - Bayshore TE22 TE29 — — — 7100% ) TBD Stage 5 TBD 2026 2.5 km Bayshore - Sungei Bedok TE29 TE31 — — — 2100% ) TBD Founders' Memorial station (infill) TBD 2028 — Founders' Memorial TE22A — — — 1100% ) TBD Thomson–East Coast Line Extension TBD 2040 TBD Sungei Bedok - Tanah Merah TBD — 2 — 2 TBD Tagore station (infill) TBD TBD — Tagore TE4A — — — 1100% ) TBD Thomson–East Coast Line total — 43 km Woodlands North - Tanah Merah TE1 TE31 — 25% ) — 3595% ) TBD 37100% ) Bukit Panjang LRT — 27 September 1996 ; (1996-09-27 )6 November 1999 ; (1999-11-06 )— 7.6 km Choa Chu Kang - Senja BP1 BP13 — 13100% ) — TBD Ten Mile Junction station 13 January 2019 ; (2019-01-13 )0.2 km Bukit Panjang - Ten Mile Junction BP6 BP14 — 1100% ) Bukit Panjang LRT total — 7.8 km Choa Chu Kang - Ten Mile Junction BP1 BP14 — 14100% ) — TBD 14100% ) Sengkang LRT East loop TBD 18 January 2003 ; (2003-01-18 )— 4.4 km Sengkang - Ranggung STC SE5 — 5100% ) — TBD Sengkang LRT total — 10.7 km Sengkang - Renjong STC SW8 — 13100% ) — TBD 13100% ) Punggol LRT East loop TBD 29 January 2005 ; (2005-01-29 )— 5.2 km Punggol - Kadaloor PTC PE5 — 5100% ) — TBD Oasis station 15 June 2007 ; (2007-06-15 )Kadaloor - Oasis PE5 PE6 — 1100% ) Damai station 20 June 2011 ; (2011-06-20 )Oasis - Damai PE6 PE7 — 1100% ) Punggol LRT total — 10.3 km Punggol - Soo Teck PTC PW7 — 14100% ) — TBD 14100% ) 
