Historical Routes of Withdrawn Express Services

This page covers withdrawn trunk services only. Timeline of amendments can be found with the exact route details. If you are looking for history of currently operating Express routes, please refer to this page.

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Express 501:

  • 1997 (05 May): Introduced as a peak hour express route, plying Hougang Ctrl to Penang Rd (AM Peak) and Anson Rd to Hougang Ctrl (PM Peak) on Weekdays and Saturdays.
  • 1999: Extended to Marina Centre and converted to loop service. Off-peak route variant (Express 501#) was introduced to loop at Marina Centre without serving Shenton Way.
  • 2000 (03 Sep): Extended to Sengkang Ter.
  • 2001 (28 Apr): Amended to Sengkang Temp Int.
  • 2003 (18 Jan): Amended to Sengkang Integrated Transport Hub (ITH)
  • 2003 (27 Jul): Service withdrawn
Year Direction 1 Direction 2
1997 Hougang Ctrl Int, Upp Serangoon Rd, Hougang Ave 8, Hougang Ave 2, Yio Chu Kang Rd, Yio Chu Kang Link, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, CTE (express), Outram Rd, Cantonment Rd, Keppel Rd, Anson Rd, Robinson Rd, Fullerton Rd, Nicoll Highway, Stamford Rd, Orchard Rd, Penang Rd (Park Mall) Anson Rd (Apex Twr), Robinson Rd, Fullerton Rd, Nicoll Highway, Stamford Rd, Orchard Rd, Penang Rd, Buyong Rd (express), CTE (express), Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Yio Chu Kang Link, Yio Chu Kang Rd, Hougang Ave 2, Hougang Ave 8, Upp Serangoon Rd, Hougang Ctrl Int
Operating Hours:
– Weekdays 0630hrs-0930hrs (Direction 1), 1700hrs-1930hrs (Direction 2)
– Saturdays 0700hrs-0900hrs (Direction 1), 1230hrs-1430hrs (Direction 2)
1999 Hougang Ctrl Int, Upp Serangoon Rd, Hougang Ave 8, Hougang Ave 2, Yio Chu Kang Rd, Yio Chu Kang Link, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, CTE (express), Outram Rd, Cantonment Rd, Keppel Rd, Anson Rd, Robinson Rd, Fullerton Rd, Nicoll Highway, Temasek Blvd, Temasek Ave(Loop) Raffles Ave, Stamford Rd, Orchard Rd, Penang Rd, Buyong Rd (express), CTE (express), Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Yio Chu Kang Link, Yio Chu Kang Rd, Hougang Ave 2, Hougang Ave 8, Upp Serangoon Rd, Hougang Ctrl Int
Operating Hours:
– Weekdays 0600hrs-1900hrs, Saturdays 0600hrs-0930hrs
– The first five departures from Hougang Ctrl Int on Weekdays will terminate at Fullerton Rd (Fullerton Sq)
2000 Sengkang Int, Sengkang Sq, Compassvale Rd, Compassvale St, Rivervale Dr, Sengkang East Ave, Punggol Rd, Hougang Ave 10, Hougang Ave 8, Hougang Ave 2, Yio Chu Kang Rd, Yio Chu Kang Link, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, CTE (express), Outram Rd, Cantonment Rd, Keppel Rd, Anson Rd, Robinson Rd, Fullerton Rd, Nicoll Highway, Temasek Blvd, Temasek Ave (Loop) Raffles Ave, Stamford Rd, Orchard Rd, Penang Rd, Buyong Rd (express), CTE (express), Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Yio Chu Kang Link, Yio Chu Kang Rd, Hougang Ave 2, Hougang Ave 8, Hougang Ave 10, Punggol Rd, Sengkang East Ave, Rivervale Dr, Compassvle St, Compssvale Rd, Sengkang Sq, Sengkang Int
Between 0545hrs-0930hrs on Weekdays and 0615hrs-0930hrs on Saturdays, buses from Sengkang Int will terminate at Penang Rd (Park Mall). From 0930hrs-1900hrs on Weekdays, buses will ply the full route.
2003 Withdrawn on 27th July 2003.

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Express 501#:

Year Direction 1 Direction 2
1999 Hougang Ctrl Int, Upp Serangoon Rd, Hougang Ave 8, Hougang Ave 2, Yio Chu Kang Rd, Yio Chu Kang Link, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, CTE (express), Buyong Rd (express), Orchard Rd, Bras Basah Rd, Temasek Blvd, Temasek Ave (Loop) Raffles Ave, Stamford Rd, Orchard Rd, Penang Rd, Buyong Rd (express), CTE (express), Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Yio Chu Kang Link, Yio Chu Kang Rd, Hougang Ave 2, Hougang Ave 8, Upp Serangoon Rd, Hougang Ctrl Int
Operating Hours:
– Weekdays 0600hrs-1900hrs, Saturdays 0600hrs-0930hrs
– The first five departures from Hougang Ctrl Int on Weekdays will terminate at Fullerton Rd (Fullerton Sq)
2000 Sengkang Int, Sengkang Sq, Compassvale Rd, Compassvale St, Rivervale Dr, Sengkang East Ave, Punggol Rd, Hougang Ave 10, Hougang Ave 8, Hougang Ave 2, Yio Chu Kang Rd, Yio Chu Kang Link, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, CTE (express), Buyong Rd (express), Orchard Rd, Bras Basah Rd, Temasek Blvd, Temasek Ave (Loop) Raffles Ave, Stamford Rd, Orchard Rd, Penang Rd, Buyong Rd (express), CTE (express), Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Yio Chu Kang Link, Yio Chu Kang Rd, Hougang Ave 2, Hougang Ave 8, Hougang Ave 10, Punggol Rd, Sengkang East Ave, Rivervale Dr, Compassvle St, Compssvale Rd, Sengkang Sq, Sengkang Int
Buses will ply the full route between 0930hrs-1900hrs on Sat/Sun/PHs. Between 2000hrs-2330hrs on all days, all trips would start from Temasek Ave.
2003 Withdrawn on 27th July 2003.

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Service 503:

  • 1997 (05 May): Introduced as a peak-hour unidirectional express service between Tampines and Temasek Ave (AM peak) and between Anson Rd and Tampines (PM peak)
  • 1999 (Sep): Amended to serve Pasir Ris, renumbered Express 505
Year Direction 1 Direction 2
1997 Tampines Int, Tampines Ctrl 1, Ctrl 2, Ave 5 (express), Ave 4, Bedok Reservoir Rd, Bedok North Rd, Bedok North Ave 1, Bedok South Rd, Bedok South Ave 1, Marine Parade Rd, Still Rd South (express), ECP (express), Keppel Rd (express), Anson Rd, Robinson Rd, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Beach Rd, Bras Basah Rd, Raffles Blvd, Temasek Blvd, Temasek Ave (Opp Centennial Twr) Anson Rd (Apex Twr), Robinson Rd, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Beach Rd, Bras Basah Rd, Raffles Blvd, Temasek Blvd, Temasek Ave (Opp Centennial Twr), Raffles Blvd (express), Republic Blvd (express), ECP (express), Still Rd South (express), Marine Parade Rd, Bedok South Ave 1, Bedok South Rd, Bedok North Ave 1, Bedok North Rd, Bedok Reservoir Rd, Tampines Ave 4, Ave 5 (express), Ctrl 2, Ctrl 1, Tampines Int
Operating Hours:
– Weekdays 0630hrs-0930hrs (Direction 1), 1700hrs-1930hrs (Direction 2)
– Saturdays 0700hrs-0900hrs (Direction 1), 1230hrs-1430hrs (Direction 2)
Frequency of 15 mins.
1999 Extended to Pasir Ris and renumbered Express 505

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Express 505:

  • 1999 (Sep): Renumbered from Express 503, and re-routed to ply between Pasir Ris and Bukit Merah, skipping the CBD/City areas
  • 2000 (03 Sep): Withdrawn and replaced by Express 518
Year Direction 1 Direction 2
1999 Pasir Ris Int, Pasir Ris Dr 3, Dr 6, Dr 1, Loyang Ave, Tampines Ave 7, Ave 4, Ave 5, Ave 10 (express), Bedok North Rd Extn, Bedok North Rd, PIE (express), CTE (express), Jln Bukit Merah, Alexandra Rd, Telok Blangah Rd (Loop) Kg Bahru Rd (express), Lower Delta Rd (express), Jln Bukit Merah (express), CTE (express), PIE (express), Bedok North Rd, Bedok North Rd Extn (express), Tampines Ave 10 (express), Ave 5, Ave 4, Ave 7, Loyang Ave, Pasir Ris Dr 1, Dr 6, Dr 3, Pasir Ris Int
Operating Hours: 0600hrs-2200hrs daily.
Express sector between Bedok North Rd (Blk 705) and Jln Bukit Merah (Opp Blk 120); Telok Blangah Rd (Opp World Trade Ctr) and Bedok North Rd (Blk 6015)
2000 Withdrawn, portions of route replaced by Express 518

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Express 507:

  • 1998: Introduced as a peak-hour unidirectional express service between Boon Lay and Shenton Way (AM Peak) and between Anson Rd and Boon Lay (PM Peak)
  • 2004 (24 Aug): Route withdrawn
Year Direction 1 Direction 2
1998 Boon Lay Int, Jln Boon Lay, Boon Lay Ave, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Toh Guan Rd, Jurong East St 11, Jurong Town Hall Rd (express), AYE (express), Buona Vista Flyover, AYE, Alexandra Rd, Telok Blangah Rd, Keppel Rd (express), Anson Rd, Cecil St, Finlayson Green, Raffles Quay, Shenton Way, Shenton Way (Opp Temasek Twr) Anson Rd (Int’l Plaza), Cecil St, Finlayson Green, Raffles Quay, Shenton Way, Keppel Rd (express), Telok Blangah Rd, Alexandra Rd, AYE, Buona Vista Flyover, AYE (express), Jurong Town Hall Rd (express), Jurong East St 11, Toh Guan Rd, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Boon Lay Ave, Jln Boon Lay, Boon Lay Int
Operating Hours:
– Weekdays 0630hrs-0930hrs (Direction 1), 1700hrs-1930hrs (Direction 2)
– Saturdays 0700hrs-0900hrs (Direction 1), 1230hrs-1430hrs (Direction 2)
Express sector between Toh Guan Rd (Blk 284) and Buona Vista Flyover (Opp NUH); Buona Vista Flyover (NUH) and Toh Guan Rd (Blk 286A).
2004 Withdrawn on 24 Aug 2004

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Express 508:

  • 1999: Introduced as a peak-hour unidirectional express service between Sengkang and Penang Rd (AM Peak) and between Outram Rd and Sengkang (PM Peak).
  • 2000 (03 Sep): Re-numbered to Express 511 with the extension of Express 501; route shortened to start from Hougang Ctrl
Year Direction 1 Direction 2
1999 Sengkang Ter, Sengkang East Way, Compassvale Rd, Compassvale St, Rivervale Dr, Sengkang East Ave, Punggol Rd, Hougang Ave 10, Ave 8, Ave 4, Ave 9, Yio Chu Kang Rd, Ang Mo Kio Ave 3, CTE (express), Outram Rd, Cantonment Rd, Keppel Rd, Anson Rd, Robinson Rd, Fullerton Rd, Nicoll Highway, Stamford Rd, Orchard Rd, Penang Rd (Park Mall) Outram Rd (Outram Stn), Cantonment Rd, Keppel Rd, Anson Rd, Robinson Rd, Fullerton Rd, Nicoll Highway, Stamford Rd, Orchard Rd, Penang Rd, Buyong Rd (express), CTE (express), Ang Mo Kio Ave 3, Yio Chu Kang Rd, Hougang Ave 9, Ave 4, Ave 8, Ave 10, Punggol Rd, Sengkang East Ave, Rivervale Dr, Compassvle St, Compssvale Rd, Sengkang East Way, Sengkang Ter
Operating Hours:
– Weekdays 0630hrs-0930hrs (Direction 1), 1700hrs-1930hrs (Direction 2)
– Saturdays 0700hrs-0900hrs (Direction 1), 1225hrs-1425hrs (Direction 2)
Express sector between Ang Mo Kio Ave 3 (Blk 101) and Outram Rd (Outram Stn); Penang Rd (Park Mall) and Ang Mo Kio Ave 3 (Blk 554). Frequency of 11-16mins.
2000 Re-numbered to Express 511 on 03 Sep 2000

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Express 511:

  • 2000 (03 Sep): Introduced as a peak-hour unidirectional express service between Hougang Central and Penang Rd (AM Peak) and between Outram Rd and Hougang Central (PM Peak), replacing Express 508 and serving Outram Rd / Robinson Rd / Penang Rd
  • 2001 (20 May): Amended from Hougang Ctrl Temp Ter to Hougang Ctrl Int
  • 2003 (27 Jul): Route withdrawn
Year Direction 1 Direction 2
2000 Hougang Ctrl Ter, Hougang Ctrl, Upp Serangoon Rd, Hougang Ave 8, Ave 4, Ave 9, Yio Chu Kang Rd, Ang Mo Kio Ave 3, CTE (express), Outram Rd, Cantonment Rd, Keppel Rd, Anson Rd, Robinson Rd, Fullerton Rd, Nicoll Highway, Stamford Rd, Orchard Rd, Penang Rd (Park Mall) Outram Rd (Outram Stn), Cantonment Rd, Keppel Rd, Anson Rd, Robinson Rd, Fullerton Rd, Nicoll Highway, Stamford Rd, Orchard Rd, Penang Rd, Buyong Rd (express), CTE (express), Ang Mo Kio Ave 3, Yio Chu Kang Rd, Hougang Ave 9, Ave 4, Ave 8, Upp Serangoon Rd, Hougang Ctrl, Hougang Ctrl Ter
Operating Hours:
– Weekdays 0600hrs-0900hrs (Direction 1), 1700hrs-1930hrs (Direction 2)
– Saturdays 0700hrs-0900hrs (Direction 1), 1230hrs-1430hrs (Direction 2)
Express sector between Ang Mo Kio Ave 3 (Blk 101) and Outram Rd (Outram Stn); Penang Rd (Park Mall) and Ang Mo Kio Ave 3 (Blk 554). Frequency of 09-15mins.
2003 Route withdrawn on 27th July 2003

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Express 512:

  • 2000 (03 Sep): Introduced as a peak-hour unidirectional express service between Hougang Central and Orchard Rd (AM Peak) and between Moulmein Rd and Hougang Central (PM Peak), serving Moulmein Rd / Orchard Rd
  • 2001 (20 May): Amended from Hougang Ctrl Temp Ter to Hougang Ctrl Int
  • 2003 (27 Jul): Route withdrawn
Year Direction 1 Direction 2
2000 Hougang Ctrl Ter, Hougang Ctrl, Upp Serangoon Rd, Hougang Ave 8, Ave 4, Ave 9, Yio Chu Kang Rd, Ang Mo Kio Ave 3, CTE (express), Moulmein Rd, Newton Rd, Scotts Rd, Orchard Rd, Orchard Rd (Le Meridien Shop Ctr) Moulmein Rd (Opp Tan Tock Seng Hosp), Newton Rd, Scotts Rd, Orchard Rd, Buyong Rd (express), CTE (express), Ang Mo Kio Ave 3, Yio Chu Kang Rd, Hougang Ave 9, Ave 4, Ave 8, Upp Serangoon Rd, Hougang Ctrl, Hougang Ctrl Ter
Operating Hours:
– Weekdays 0600hrs-0930hrs (Direction 1), 1630hrs-1930hrs (Direction 2)
– Saturdays 0630hrs-0900hrs (Direction 1), 1230hrs-1430hrs (Direction 2)
Express sector between Ang Mo Kio Ave 3 (Blk 101) and Moulmein Rd (Opp Tan Tock Seng Hosp); Orchard Rd (Le Meridien Shop Ctr) and Ang Mo Kio Ave 3 (Blk 554). Frequency of 11-15mins. Le Meridien Shop Ctr is now referred to as Concorde Hotel S’pore.
2003 Route withdrawn on 27th July 2003

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Express 520:

  • 1997 (05 May): Introduced as a peak-hour unidirectional express service between Yishun and Outram Rd (AM Peak) and between New Bridge Rd and Yishun (PM Peak), serving Chinatown
  • 2003 (24 Aug): Route withdrawn
Year Direction 1 Direction 2
1997 Yishun Int, Yishun Ctrl 1, Ctrl, Ave 9, Ring Rd, Ave 2, Lentor Ave, SLE (express), CTE (express), Bt Timah Rd, Sungei Rd, Ophir Rd, Victoria St, Hill St, New Bridge Rd, Upp Pickering St (express), South Bridge Rd, Neil Rd, Cantonment Rd, Outram Rd (Opp Outram Stn). New Bridge Rd Ter, Eu Tong Sen St, Hill St, Victoria St, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, CTE (express), SLE (express), Lentor Ave, Yishun Ave 2, Ring Rd, Ave 9, Ctrl, Ave 2, Yishun Int
Operating Hours:
– Weekdays 0700hrs-0900hrs (Direction 1), 1730hrs-1930hrs (Direction 2)
– Saturdays 0700hrs-0900hrs (Direction 1), 1230hrs-1430hrs (Direction 2)
Express sector between Lentor Ave (LP 94) and Bt Timah Rd (Kendang Kerbau Hosp); Bt Timah Rd (Opp Zhujiao Ctr) and Lentor Ave (Aft LP 91). Frequency of 15mins.
2003 Route withdrawn on 24th Aug 2003

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Express 521:

  • 1999 (01 Sep): Introduced as a semi-express route between Bt Panjang and World Trade Ctr
  • 2002 (29 Sep): Withdrawn, sectors replaced by new Service 963
Year Direction 1 Direction 2
1997 Bt Panjang Int, Petir Rd, Cashew Rd, pp Bt Timah Rd, Hillview Rd (express), Hillview Ave, Bt Batok East Ave 2, East Ave 6, East Ave 3, Toh Tuck Ave (express), C’wealth Ave West, Clementi Ave 6, AYE, Buona Vista Flyover, AYE, Alexandra Rd, Telok Blangah Rd, Seah Im Rd, World Trade Ctr Ter World Trade Ctr Ter, Telok Blangah Rd, Alexandra Rd, AYE, Buona Vista Flyover, AYE, Clementi Ave 6, C’wealth Ave West, Toh Tuck Ave (express), Bt Batok East Ave 3, East Ave 6, East Ave 2, Hillview Ave, Hillview Rd, Upp Bt Timah Rd (express), Cashew Rd, Petir Rd, Bt Panjang Int
Operating Hours: 0550hrs-2230hrs from Bt Panjang and 0645hrs-2330hrs from World Trade Ctr daily. Frequency of 12-17mins.
2002 Route withdrawn on 29 Sep 2002, replaced by new Service 963

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External Links & References:

  • TransitLink Bus Guides: 1980 – 2014
  • SGWiki

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