This article reflects the changes in routes for operational trunk bus services in Singapore. For more information on the exact operating hours and calling bus stops of trunk bus services, please click on the links to their individual bus service articles attached in their headings.
SBS Transit Bus Service 40 (since 11 Apr 1971)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2011 | Bedok Interchange, Bedok Nth Dr, Bedok Nth Ave 1, New Upp Changi Rd, Siglap Rd, East Coast Rd, Mountbatten Rd, Tg Katong Rd, Geylang Rd, Aljunied Rd and Merpati Rd (Loop) | Circuit Rd, Pipit Rd, Circuit Rd, Merpati Rd, Mattar Rd, Aljunied Rd, Sims Ave, Tg Katong Rd, Mountbatten Rd, East Coast Rd, Siglap Rd, New Upp Changi Rd, Bedok Nth Ave 1, Bedok Nth Dr and Bedok Interchange. |
| 1992 | Bedok Interchange, Bedok Nth Ave 1, New Upp Changi Rd, Siglap Rd, East Coast Rd, Mountbatten Rd, Tg Katong Rd, Geylang Rd, Aljunied Rd and Merpati Rd (Loop) | Circuit Rd, Pipit Rd, Circuit Rd, Merpati Rd, Mattar Rd, Aljunied Rd, Sims Ave, Tg Katong Rd, Mountbatten Rd, East Coast Rd, Siglap Rd, New Upp Changi Rd and Bedok Interchange. |
| 1985 | Bedok Interchange, Bedok Nth Ave 1, New Upp Changi Rd, Changi Rd, Telok Kurau Rd, East Coast Rd, Mountbatten Rd, Tg Katong Rd, Geylang Rd, Aljunied Rd and Merpati Rd (Loop) | Circuit Rd, Pipit Rd, Circuit Rd, Merpati Rd, Mattar Rd, Aljunied Rd, Sims Ave, Tg Katong Rd, Mountbatten Rd, East Coast Rd, Telok Kurau Rd, Changi Rd, Lor Sarina, Sims Ave East, New Upp Changi Rd and Bedok Interchange. |
| 1984 | Chai Chee Terminal, New Upp Changi Rd, Changi Rd, Telok Kurau Rd, East Coast Rd, Mountbatten Rd, Tg Katong Rd, Geylang Rd, Aljunied Rd and Merpati Rd (Loop) | Circuit Rd, Pipit Rd, Circuit Rd, Merpati Rd, Mattar Rd, Aljunied Rd, Sims Ave, Tg Katong Rd, Mountbatten Rd, East Coast Rd, Telok Kurau Rd, Changi Rd, Lor Sarina, Sims Ave East, New Upp Changi Rd and Chai Chee Terminal. |
| 1979 | Chai Chee Terminal, New Upp Changi Rd, Changi Rd, Telok Kurau Rd, East Coast Rd, Mountbatten Rd, Tg Katong Rd, Dunman Rd, Old Airport Rd, Nicoll Highway, Connaught Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way and Prince Edward Rd. | Prince Edward Rd, Shenton Way, Palmer Rd, Anson Rd, Robinson Rd, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Beach Rd, Bras Basah Rd, Nicoll Highway, Mountbatten Rd, Old Airport Rd, Dunman Rd, Tg Katong Rd, Mountbatten Rd, East Coast Rd, Telok Kurau Rd, Changi Rd, Lor Sarina, Sims Ave East, New Upp Changi Rd and Chai Chee Terminal. |
| 1975 | Chai Chee Terminal, New Upp Changi Rd, Changi Rd, Telok Kurau Rd, East Coast Rd, Mountbatten Rd, Tg Katong Rd, Dunman Rd, Old Airport Rd, Nicoll Highway, Connaught Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way and Prince Edward Rd. | Prince Edward Rd, Shenton Way, Parsi Rd, Anson Rd, Robinson Rd, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Beach Rd, Bras Basah Rd, Nicoll Highway, Mountbatten Rd, Old Airport Rd, Dunman Rd, Tg Katong Rd, Mountbatten Rd, East Coast Rd, Telok Kurau Rd, Changi Rd, New Upp Changi Rd and Chai Chee Terminal. |
| 1974 | Upp Changi Rd, Changi Rd, Telok Kurau Rd, East Coast Rd, Mountbatten Rd, Tg Katong Rd, Dunman Rd, Old Airport Rd, Nicoll Highway, Connaught Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way and Prince Edward Rd. | Prince Edward Rd, Shenton Way, Parsi Rd, Anson Rd, Robinson Rd, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Beach Rd, Bras Basah Rd, Nicoll Highway, Mountbatten Rd, Old Airport Rd, Dunman Rd, Tg Katong Rd, Mountbatten Rd, East Coast Rd, Telok Kurau Rd, Changi Rd and Upp Changi Rd. |
| 1973 | Chai Chee Terminal, New Upp Changi Rd, Changi Rd, Telok Kurau Rd, East Coast Rd, Mountbatten Rd, Tg Katong Rd, Dunman Rd, Old Airport Rd, Nicoll Highway, Connaught Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way and Prince Edward Rd. | Prince Edward Rd, Shenton Way, Parsi Rd, Anson Rd, Robinson Rd, Market St, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Beach Rd, Bras Basah Rd, Nicoll Highway, Mountbatten Rd, Old Airport Rd, Dunman Rd, Tg Katong Rd, Mountbatten Rd, East Coast Rd, Telok Kurau Rd, Changi Rd, New Upp Changi Rd and Chai Chee Terminal. |
| 1971 | Telok Kurau Rd, East Coast Rd, Mountbatten Rd, Tg Katong Rd, Dunman Rd, Old Airport Rd, Nicoll Highway, Connaught Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way and Prince Edward Rd. | Prince Edward Rd, Shenton Way, Parsi Rd, Anson Rd, Robinson Rd, Market St, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Beach Rd, Bras Basah Rd, Nicoll Highway, Mountbatten Rd, Old Airport Rd, Dunman Rd, Tg Katong Rd, Mountbatten Rd, East Coast Rd, Telok Kurau Rd, Changi Rd, Still Rd, Joo Chiat Pl and Telok Kurau Rd. |
Tower Transit Bus Service 41 (since 14 Dec 2014)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2014 | Jurong East Interchange, Jurong Gateway Rd, Jurong East Ctrl, Toh Guan Rd, Toh Guan Rd East, Old Toh Tuck Rd, Toh Tuck Lk, Toh Tuck Ave, Toh Tuck Rd, Jln Jurong Kechil and Jln Anak Bt (Loop) | Upp Bt Timah Rd, Jln Jurong Kechil, Toh Tuck Rd, Toh Tuck Ave, Toh Tuck Lk, Old Toh Tuck Rd, Toh Guan Rd East, Toh Guan Rd, Jurong East Ctrl, Jurong Gateway Rd and Jurong East Interchange. |
SBS Transit Bus Service M2 > 42 (since 5 Nov 1989)
Bus Service M2 was re-numbered to Bus Service 42 from Sunday, 5 Oct 1997.
| Year | Route | |
| Direction 1 | Direction 2 | |
| 1994 (M2) |
Jln Kembangan, Lengkong Tiga, Lengkong Empat, Lengkong Tujoh, Jln Selamat, Taman Kembangan, Jln Kembangan, Sims Ave East, Siglap Rd and Fidelio St (Loop) | Aida St, Fidelio St, Siglap Rd, Siglap Dr, Frankel Ave and Jln Kembangan. |
| 1993 (M2) |
Jln Kembangan, Lengkong Tiga, Lengkong Empat, Lengkong Tujoh, Jln Selamat, Jln Lapang, Jln Kembangan, Sims Ave East, Siglap Rd and Fidelio St (Loop) | Aida St, Fidelio St, Siglap Rd, Siglap Dr, Frankel Ave and Jln Kembangan. |
| 1989 (M2) |
Jln Kembangan, Lengkong Tiga, Lengkong Empat, Lengkong Tujoh, Jln Selamat, Jln Lapang, Jln Kembangan, Frankel Ave, Siglap Dr, Siglap Rd and Fidelio St (Loop) | Aida St, Fidelio St, Siglap Rd, Siglap Dr, Frankel Ave and Jln Kembangan. |
Go-Ahead Bus Service 43 (since 23 Oct 2005)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2009 | Punggol Interchange, Punggol Pl, Punggol Ctrl, Punggol Way, Sengkang East Rd, Compassvale Dr, Sengkang Ctrl, Buangkok Dr, Buangkok Green, Yio Chu Kang Rd, Yio Chu Kang Lk, Serangoon Ctrl, Upp Serangoon Rd, Upp Paya Lebar Rd, Paya Lebar Rd, Sims Ave, Tg Katong Rd, Mountbatten Rd, Amber Rd, Marine Parade Rd, Bedok Sth Ave 1, Upp East Coast Rd and Upp East Coast Terminal. | Upp East Coast Terminal, Upp East Coast Rd, Bedok Sth Ave 1, Marine Parade Rd, Amber Rd, Mountbatten Rd, Tg Katong Rd, Geylang Rd, Paya Lebar Rd, Upp Paya Lebar Rd, Upp Serangoon Rd, Serangoon Ctrl, Yio Chu Kang Lk, Yio Chu Kang Rd, Buangkok Green, Buangkok Dr, Sengkang Ctrl, Compassvale Dr, Sengkang East Rd, Punggol Way, Punggol Ctrl, Punggol Pl and Punggol Interchange. |
| 2005 | Punggol Interchange, Punggol Pl, Punggol Ctrl, Punggol Way, Sengkang East Rd, Compassvale Dr, Sengkang Ctrl, Buangkok Dr, Buangkok Green, Yio Chu Kang Rd, Yio Chu Kang Lk, Serangoon Ctrl, Upp Serangoon Rd, Upp Paya Lebar Rd, Paya Lebar Rd, Eunos Ave 5, Eunos Rd 8, Tg Katong Rd, Mountbatten Rd, Amber Rd, Marine Parade Rd, Bedok Sth Ave 1, Upp East Coast Rd and Upp East Coast Terminal. | Upp East Coast Terminal, Upp East Coast Rd, Bedok Sth Ave 1, Marine Parade Rd, Amber Rd, Mountbatten Rd, Tg Katong Rd, Geylang Rd, Paya Lebar Rd, Upp Paya Lebar Rd, Upp Serangoon Rd, Serangoon Ctrl, Yio Chu Kang Lk, Yio Chu Kang Rd, Buangkok Green, Buangkok Dr, Sengkang Ctrl, Compassvale Dr, Sengkang East Rd, Punggol Way, Punggol Ctrl, Punggol Pl and Punggol Interchange. |
Go-Ahead Bus Service 43M (since 16 Nov 2014)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2014 | Punggol Interchange, Punggol Pl, Punggol Ctrl, Punggol Way, Sengkang East Rd, Compassvale Dr, Sengkang Ctrl, Buangkok Dr, Buangkok Green, Yio Chu Kang Rd, Yio Chu Kang Lk, Boundary Rd, Upp Serangoon Rd and Serangoon Ctrl (Loop) | Yio Chu Kang Lk, Yio Chu Kang Rd, Buangkok Green, Buangkok Dr, Sengkang Ctrl, Compassvale Dr, Sengkang East Rd, Punggol Way, Punggol Ctrl, Punggol Pl and Punggol Interchange. |
SBS Transit Bus Service 45 (since 26 Dec 2006)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2006 | Upp East Coast Terminal, Upp East Coast Rd, Bedok Rd, New Upp Changi Rd, Bedok Nth Ave 3, Bedok Nth Rd, PIE, Jln Eunos, Eunos Lk, Hougang Ave 3, Lor Ah Soo, Upp Paya Lebar Rd, Upp Serangoon Rd, Serangoon Ave 2, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 10, Ang Mo Kio Ave 5, Ang Mo Kio Ave 6, Ang Mo Kio Ave 9, Ang Mo Kio St 63 and Ang Mo Kio Depot. | Ang Mo Kio Depot, Ang Mo Kio St 63, Ang Mo Kio Ave 9, Ang Mo Kio Ave 6, Ang Mo Kio Ave 5, Ang Mo Kio Ave 10, Ang Mo Kio Ave 1, Lor Chuan, Serangoon Ave 2, Upp Serangoon Rd, Upp Paya Lebar Rd, Lor Ah Soo, Hougang Ave 3, Eunos Lk, Jln Eunos, PIE, Bedok Nth Rd, Bedok Nth Ave 3, New Upp Changi Rd, Bedok Rd, Upp East Coast Rd and Upp East Coast Terminal. |
SBS Transit Bus Service 45A (since 28 Jun 2010)
| Year | Route (AM Peak: One-Directional) |
| 2010 | Lor Ah Soo, Upp Paya Lebar Rd and Upp Serangoon Rd (terminating at S’goon Stn Exit A). |
SBS Transit Bus Service 46 (since 12 Jun 2016)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2022 | Upp East Coast Terminal, Upp East Coast Rd, Bedok Sth Ave 3, New Upp Changi Rd, Bedok Nth Rd, Bedok Nth Ave 3, Bedok Reservoir Rd, Tampines Ave 4, Tampines Ave 3, Tampines St 83, Tampines Ave 5, Tampines Ave 6, Tampines St 62, Tampines Nth Dr 2, Tampines Ave 12, Pasir Ris Dr 8, Pasir Ris Dr 3 and Pasir Ris Interchange. | Pasir Ris Interchange, Pasir Ris Dr 3, Pasir Ris Dr 8, Tampines Ave 12, Tampines Nth Dr 2, Tampines St 62, Tampines Ave 6, Tampines Ave 5, Tampines St 83, Tampines Ave 3, Tampines Ave 4, Bedok Reservoir Rd, Bedok Nth Ave 3, Bedok Nth Rd, New Upp Changi Rd, Bedok Sth Ave 3, Upp East Coast Rd and Upp East Coast Terminal. |
| 2017 | Upp East Coast Terminal, Upp East Coast Rd, Bedok Sth Ave 3, New Upp Changi Rd, Bedok Nth Rd, Bedok Nth Ave 3, Bedok Reservoir Rd, Tampines Ave 4, Tampines Ave 3, Tampines St 83, Tampines Ave 5, Tampines Ctrl 8, Tampines Concourse and Tampines Interchange. | Tampines Interchange, Tampines Ctrl 1, Tampines Ctrl 2, Tampines Ave 5, Tampines St 83, Tampines Ave 3, Tampines Ave 4, Bedok Reservoir Rd, Bedok Nth Ave 3, Bedok Nth Rd, New Upp Changi Rd, Bedok Sth Ave 3, Upp East Coast Rd and Upp East Coast Terminal. |
| 2016 | Upp East Coast Terminal, Upp East Coast Rd, Bedok Sth Ave 3, New Upp Changi Rd, Bedok Nth Rd, Bedok Nth Ave 3, Bedok Reservoir Rd, Tampines Ave 4, Tampines Ave 3, Tampines St 83, Tampines Ave 5, Tampines Ctrl 2, Tampines Ctrl 1 and Tampines Interchange. | Tampines Interchange, Tampines Ctrl 1, Tampines Ctrl 2, Tampines Ave 5, Tampines St 83, Tampines Ave 3, Tampines Ave 4, Bedok Reservoir Rd, Bedok Nth Ave 3, Bedok Nth Rd, New Upp Changi Rd, Bedok Sth Ave 3, Upp East Coast Rd and Upp East Coast Terminal. |
SBS Transit Bus Service 47 (since 20 Dec 2015)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2015 | Changi Business Pk Terminal, Changi Sth Ave 1, Changi Business Pk Ctrl 2, Changi Business Pk Ctrl 1, Changi Sth Ave 2, Changi Sth Ave 1, Xilin Ave, Upp Changi Rd East, New Upp Changi Rd, Bedok Sth Ave 3, Bedok Sth Rd, Bedok Sth Ave 1, Marine Parade Rd and Amber Rd (Loop) | Mountbatten Rd, East Coast Rd, Still Rd Sth, Marine Parade Rd, Bedok Sth Ave 1, Bedok Sth Rd, Bedok Sth Ave 3, New Upp Changi Rd, Upp Changi Rd East, Xilin Ave, Changi Sth Ave 1, Changi Sth Ave 2, Changi Business Pk Ctrl 1, Changi Business Pk Ctrl 2, Changi Sth Ave 1 and Changi Business Pk Terminal. |
SBS Transit Bus Service 48 (since 3 Jul 2005)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2011 | Bedok Nth Depot, Bedok Nth Ave 4, Upp Changi Rd, Bedok Rd, New Upp Changi Rd, Bedok Sth Ave 3, Upp East Coast Rd, Bedok Sth Ave 1, Marine Parade Rd, Amber Rd, Mountbatten Rd, Tg Katong Rd Sth, ECP, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, Farrer Rd, Holland Rd, Holland Ave, Holland Dr and Buona Vista Terminal. | Buona Vista Terminal, Holland Dr, Holland Ave, Holland Rd, Farrer Rd, Dunearn Rd, Bt Timah Rd, Sungei Rd, Ophir Rd, ECP, Tg Katong Rd Sth, Mountbatten Rd, Amber Rd, Marine Parade Rd, Bedok Sth Ave 1, Upp East Coast Rd, Bedok Sth Ave 3, New Upp Changi Rd, Bedok Rd, Upp Changi Rd, Bedok Nth Ave 4 and Bedok Nth Depot. |
| 2005 | Upp East Coast Terminal, Upp East Coast Rd, Bedok Sth Ave 1, Marine Parade Rd, Amber Rd, Mountbatten Rd, Tg Katong Rd Sth, ECP, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, Farrer Rd, Holland Rd, Holland Ave, Holland Dr and Buona Vista Terminal. | Buona Vista Terminal, Holland Dr, Holland Ave, Holland Rd, Farrer Rd, Dunearn Rd, Bt Timah Rd, Sungei Rd, Ophir Rd, ECP, Tg Katong Rd Sth, Mountbatten Rd, Amber Rd, Marine Parade Rd, Bedok Sth Ave 1, Upp East Coast Rd and Upp East Coast Terminal. |
Tower Transit Bus Service 49 (since 14 Dec 2013)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2015 | Jurong East Interchange, Jurong Gateway Rd, Jurong East Ctrl, Boon Lay Way, Jurong East St 11, Jurong Town Hall Rd, Jln Ahmad Ibrahim, Yuan Ching Rd, Yung Ho Rd, Corporation Dr, Yung Kuang Rd, Yuan Ching Rd, Tah Ching Rd, Corporation Dr, Corporation Rd, Boon Lay Way, Jurong West St 51, Jurong West Ave 1 and Jurong West St 42 (Loop) | Jurong West St 41, Jurong West St 51, Boon Lay Way, Corporation Rd, Corporation Dr, Tah Ching Rd, Yuan Ching Rd, Hu Ching Rd, Corporation Dr, Yung Ho Rd, Yuan Ching Rd, Yung Kuang Rd, Corporation Dr, Yung Ho Rd, Yuan Ching Rd, Jln Ahmad Ibrahim, Jurong Town Hall Rd, Jurong East St 11, Boon Lay Way, Jurong East Ctrl, Jurong Gateway Rd and Jurong East Interchange. |
| 2014 | Taman Jurong Terminal, Hu Ching Rd, Corporation Dr, Yung Ho Rd, Yuan Ching Rd, Tah Ching Rd, Corporation Dr, Corporation Rd, Boon Lay Way, Jurong West St 51, Jurong West Ave 1 and Jurong West St 42 (Loop) | Jurong West St 41, Jurong West St 51, Boon Lay Way, Corporation Rd, Corporation Dr, Tah Ching Rd, Yuan Ching Rd, Hu Ching Rd, Corporation Dr, Yung Ho Rd, Yuan Ching Rd, Hu Ching Rd and Taman Jurong Terminal. |
| 2013 | Taman Jurong Terminal, Hu Ching Rd, Yuan Ching Rd, Tah Ching Rd, Corporation Dr, Corporation Rd, Boon Lay Way, Jurong West St 51, Jurong West Ave 1 and Jurong West St 42 (Loop) | Jurong West St 41, Jurong West St 51, Boon Lay Way, Corporation Rd, Corporation Dr, Tah Ching Rd, Yuan Ching Rd, Hu Ching Rd and Taman Jurong Terminal. |
External Links & References:
- SBS Bus Guides 1980 – 1990/1991
- TransitLink Guides 1992 – 2014
- Transitlink eGuide (until Aug 2024)
- SimplyGo eGuide (from Sep 2024)
- SGWiki – History of Bus Services