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.
Tower Transit Bus Service 825 (since 17 Aug 1988)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2007 | Yio Chu Kang Interchange, Ang Mo Kio Ave 6, Yio Chu Kang Rd, Lentor Dr, Lentor Loop, Lentor Rd and Lentor Loop (Loop) | U-turn near junction of Lentor Vale and Lentor St, back along Lentor Loop, Lentor Dr, Yio Chu Kang Rd, Ang Mo Kio Ave 6, Ang Mo Kio Ave 8 and Yio Chu Kang Interchange. |
| 1997 | Yio Chu Kang Terminal, Ang Mo Kio Ave 6, Yio Chu Kang Rd, Lentor Dr, Lentor Loop, Lentor Rd and Lentor Loop (Loop) | Lentor Dr, Yio Chu Kang Rd, Ang Mo Kio Ave 6, Ang Mo Kio Ave 8 and Yio Chu Kang Terminal. |
| 1995 | Yio Chu Kang Terminal, Ang Mo Kio Ave 6, Ang Mo Kio Ave 9, Ang Mo Kio Ave 4, Yio Chu Kang Rd, Lentor Rd, Lentor Loop, Lentor Dr, Yio Chu Kang Rd, Upp Thomson Rd and Springleaf Rd (Loop) | Nee Soon Rd, Springleaf Ave, Springleaf Rd, Upp Thomson Rd, Yio Chu Kang Rd, Lentor Rd, Lentor Loop, Lentor Dr, Ang Mo Kio Ave 4, Ang Mo Kio Ave 9, Ang Mo Kio Ave 6, Ang Mo Kio Ave 8 and Yio Chu Kang Terminal. |
| 1989 | Springleaf Rd, Nee Soon Rd, Springleaf Ave, Springleaf Rd, Upp Thomson Rd, Yio Chu Kang Rd, Lentor Rd, Lentor Loop, Lentor Dr, Ang Mo Kio Ave 4, Ang Mo Kio Ave 9, Ang Mo Kio Ave 6, Ang Mo Kio Ave 8 and Yio Chu Kang Terminal. | Yio Chu Kang Terminal, Ang Mo Kio Ave 6, Ang Mo Kio Ave 9, Ang Mo Kio Ave 4, Yio Chu Kang Rd, Lentor Rd, Lentor Loop, Lentor Dr, Yio Chu Kang Rd, Upp Thomson Rd, Springleaf Rd, Nee Soon Rd and Springleaf Ave. |
| 1988 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Yishun Ave 1, Sembawang Rd, Springleaf Rd, Nee Soon Rd, Springleaf Ave, Springleaf Rd, Upp Thomson Rd, Yio Chu Kang Rd, Lentor Rd, Lentor Loop, Lentor Dr, Ang Mo Kio Ave 4, Ang Mo Kio Ave 9 and Ang Mo Kio Ave 6. | N/A |
SBS Transit Bus Service 851 (since 16 Feb 1985)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2019 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Thomson Rd, Keng Lee Rd, Kg Java Rd, Bt Timah Rd, Sungei Rd, Ophir Rd, Nth Bridge Rd, Sth Bridge Rd, Upp Cross St, New Bridge Rd, Outram Rd, Tiong Bahru Rd, Henderson Rd, Bt Merah Ctrl and Bt Merah Interchange. | Bt Merah Interchange, Bt Merah Ctrl, Henderson Rd, Tiong Bahru Rd, Outram Rd, Eu Tong Sen St, Hill St, Victoria St, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, Kg Java Rd, Thomson Rd, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2015 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Thomson Rd, Keng Lee Rd, Kg Java Rd, Bt Timah Rd, Sungei Rd, Ophir Rd, Nth Bridge Rd, Sth Bridge Rd, Upp Cross St, New Bridge Rd, Outram Rd, Tiong Bahru Rd, Henderson Rd, Bt Merah Ctrl and Bt Merah Interchange. | Bt Merah Interchange, Bt Merah Ctrl, Henderson Rd, Tiong Bahru Rd, Outram Rd, Eu Tong Sen St, Hill St, Victoria St, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, Kg Java Rd, Thomson Rd, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl and Yishun Interchange. |
| 2002 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Thomson Rd, Keng Lee Rd, Kg Java Rd, Bt Timah Rd, Sungei Rd, Ophir Rd, Nth Bridge Rd, Sth Bridge Rd, Upp Cross St, New Bridge Rd, Outram Rd, Tiong Bahru Rd, Henderson Rd, Bt Merah Ctrl and Bt Merah Interchange. | Bt Merah Interchange, Bt Merah Ctrl, Henderson Rd, Tiong Bahru Rd, Outram Rd, Eu Tong Sen St, Hill St, Victoria St, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, Kg Java Rd, Thomson Rd, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1997 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Thomson Rd, Keng Lee Rd, Kg Java Rd, Bt Timah Rd, Sungei Rd, Ophir Rd, Nth Bridge Rd, Sth Bridge Rd, Neil Rd, Cantonment Rd, Outram Rd, Tiong Bahru Rd, Henderson Rd, Bt Merah Ctrl and Bt Merah Interchange. | Bt Merah Interchange, Bt Merah Ctrl, Henderson Rd, Tiong Bahru Rd, Outram Rd, Eu Tong Sen St, Hill St, Victoria St, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, Kg Java Rd, Thomson Rd, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1988 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Thomson Rd, Keng Lee Rd, Kg Java Rd, Bt Timah Rd, Sungei Rd, Ophir Rd, Nth Bridge Rd, Sth Bridge Rd, Upp Cross St, New Bridge Rd, Outram Rd, Tiong Bahru Rd, Henderson Rd, Bt Merah Ctrl and Bt Merah Interchange. | Bt Merah Interchange, Bt Merah Ctrl, Henderson Rd, Tiong Bahru Rd, Outram Rd, Eu Tong Sen St, Hill St, Victoria St, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, Kg Java Rd, Thomson Rd, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1987 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Thomson Rd, Keng Lee Rd, Kg Java Rd, Bt Timah Rd, Sungei Rd, Ophir Rd, Nth Bridge Rd, Sth Bridge Rd, Neil Rd, Cantonment Rd, Outram Rd, Tiong Bahru Rd, Henderson Rd, Bt Merah Ctrl and Bt Merah Interchange. | Bt Merah Interchange, Bt Merah Ctrl, Henderson Rd, Tiong Bahru Rd, Outram Rd, Eu Tong Sen St, Hill St, Victoria St, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, Kg Java Rd, Thomson Rd, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1985 | Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Thomson Rd, Keng Lee Rd, Kg Java Rd, Bt Timah Rd, Sungei Rd, Ophir Rd, Nth Bridge Rd, Sth Bridge Rd, Neil Rd, Cantonment Rd, Outram Rd, Tiong Bahru Rd, Henderson Rd, Bt Merah Ctrl and Bt Merah Interchange. | Bt Merah Interchange, Bt Merah Ctrl, Henderson Rd, Tiong Bahru Rd, Outram Rd, New Bridge Rd, Hill St, Victoria St, Rochor Rd, Rochor Canal Rd, Bt Timah Rd, Kg Java Rd, Thomson Rd, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Ctrl. |
SBS Transit Bus Service 852 (since 8 Dec 1985)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2019 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Marymount Lane, Upp Thomson Rd, Thomson Rd, Lornie Rd, Lornie Highway, Adam Rd, Bt Timah Rd, Upp Bt Timah Rd, Old Jurong Rd, Bt Batok East Ave 6, Bt Batok East Ave 3, Bt Batok Ctrl and Bt Batok Interchange. | Bt Batok Interchange, Bt Batok Ctrl, Bt Batok East Ave 3, Bt Batok East Ave 6, Old Jurong Rd, Upp Bt Timah Rd, Jln Anak Bt, Dunearn Rd, Adam Rd, Lornie Highway, Lornie Rd, Thomson Rd, Upp Thomson Rd, Marymount Lane, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2018 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Marymount Lane, Upp Thomson Rd, Thomson Rd, Lornie Rd, Lornie Highway, Adam Rd, Bt Timah Rd, Upp Bt Timah Rd, Old Jurong Rd, Bt Batok East Ave 6, Bt Batok East Ave 3, Bt Batok Ctrl and Bt Batok Interchange. | Bt Batok Interchange, Bt Batok Ctrl, Bt Batok East Ave 3, Bt Batok East Ave 6, Old Jurong Rd, Upp Bt Timah Rd, Jln Anak Bt, Dunearn Rd, Adam Rd, Lornie Rd, Thomson Rd, Upp Thomson Rd, Marymount Lane, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl and Yishun Interchange. |
| 2015 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Marymount Lane, Upp Thomson Rd, Thomson Rd, Lornie Rd, Adam Rd, Bt Timah Rd, Upp Bt Timah Rd, Old Jurong Rd, Bt Batok East Ave 6, Bt Batok East Ave 3, Bt Batok Ctrl and Bt Batok Interchange. | Bt Batok Interchange, Bt Batok Ctrl, Bt Batok East Ave 3, Bt Batok East Ave 6, Old Jurong Rd, Upp Bt Timah Rd, Jln Anak Bt, Dunearn Rd, Adam Rd, Lornie Rd, Thomson Rd, Upp Thomson Rd, Marymount Lane, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl and Yishun Interchange. |
| 1996 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Marymount Lane, Upp Thomson Rd, Thomson Rd, Lornie Rd, Adam Rd, Bt Timah Rd, Upp Bt Timah Rd, Old Jurong Rd, Bt Batok East Ave 6, Bt Batok East Ave 3, Bt Batok Ctrl and Bt Batok Interchange. | Bt Batok Interchange, Bt Batok Ctrl, Bt Batok East Ave 3, Bt Batok East Ave 6, Old Jurong Rd, Upp Bt Timah Rd, Jln Anak Bt, Dunearn Rd, Adam Rd, Lornie Rd, Thomson Rd, Upp Thomson Rd, Marymount Lane, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1990 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Marymount Lane, Upp Thomson Rd, Thomson Rd, Lornie Rd, Adam Rd, Bt Timah Rd, Upp Bt Timah Rd, Old Jurong Rd, Bt Batok East Ave 6, Bt Batok East Ave 3, Bt Batok Ctrl, Bt Batok West Ave 3, Bt Batok Rd, Jurong Town Hall Rd, Boon Lay Way, Jurong West Ctrl 2, Jurong West Ctrl 3 and Boon Lay Interchange. | Boon Lay Interchange, Jurong West Ctrl 3, Jurong West Ctrl 2, Boon Lay Way, Jurong Town Hall Rd, Bt Batok Rd, Bt Batok West Ave 3, Bt Batok Ctrl, Bt Batok East Ave 3, Bt Batok East Ave 6, Old Jurong Rd, Upp Bt Timah Rd, Jln Anak Bt, Dunearn Rd, Adam Rd, Lornie Rd, Thomson Rd, Upp Thomson Rd, Marymount Lane, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1987 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Marymount Lane, Upp Thomson Rd, Thomson Rd, Lornie Rd, Adam Rd, Bt Timah Rd, Upp Bt Timah Rd, Bt Batok East Ave 6, Bt Batok East Ave 3, Bt Batok Ctrl, Bt Batok West Ave 3, Bt Batok Rd, Jurong Town Hall Rd, Jln Ahmad Ibrahim, Jurong Port Rd and Jurong Interchange. | Jurong Interchange, Jurong Port Rd, Jln Ahmad Ibrahim, Jurong Town Hall Rd, Bt Batok Rd, Bt Batok West Ave 3, Bt Batok Ctrl, Bt Batok East Ave 3, Bt Batok East Ave 6, Upp Bt Timah Rd, Jln Anak Bt, Dunearn Rd, Adam Rd, Lornie Rd, Thomson Rd, Upp Thomson Rd, Marymount Lane, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1985 | Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Marymount Rd, Marymount Lane, Upp Thomson Rd, Thomson Rd, Lornie Rd, Adam Rd, Bt Timah Rd, Upp Bt Timah Rd, Bt Batok East Ave 6, Bt Batok East Ave 3, Bt Batok Ctrl, Bt Batok West Ave 3, Bt Batok Rd, Jurong Town Hall Rd, Jln Ahmad Ibrahim, Jurong Port Rd and Jurong Interchange. | Jurong Interchange, Jurong Port Rd, Jln Ahmad Ibrahim, Jurong Town Hall Rd, Bt Batok Rd, Bt Batok West Ave 3, Bt Batok Ctrl, Bt Batok East Ave 3, Bt Batok East Ave 6, Upp Bt Timah Rd, Jln Anak Bt, Dunearn Rd, Adam Rd, Lornie Rd, Thomson Rd, Upp Thomson Rd, Marymount Lane, Marymount Rd, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Ctrl. |
Tower Transit Bus Service 853 (since 20 Jan 1987)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2019 | Yishun Interchange, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, Geylang Rd and Lor 1 Geylang Terminal. | Lor 1 Geylang Terminal, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2 and Yishun Interchange. |
| 2015 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, Geylang Rd and Lor 1 Geylang Terminal. | Lor 1 Geylang Terminal, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1 and Yishun Interchange. |
| 2014 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, Geylang Rd and Lor 1 Geylang Terminal. | Lor 1 Geylang Terminal, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2 and Yishun Interchange. |
| 2011 | Yishun Interchange, Yishun Ave 2, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, Geylang Rd and Lor 1 Geylang Terminal. | Lor 1 Geylang Terminal, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1, Yishun Ave 2 and Yishun Interchange. |
| 2004 (Dec) | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, Geylang Rd and Lor 1 Geylang Terminal. | Lor 1 Geylang Terminal, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2004 (Apr) | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, Geylang Rd and Lor 1 Geylang Terminal. | Lor 1 Geylang Terminal, Geylang Rd, Kallang Rd, Sims Ave, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2003 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, Geylang Rd and Lor 1 Geylang Terminal. | Lor 1 Geylang Terminal, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1987 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, Geylang Rd and Lor 1 Geylang Terminal. | Lor 1 Geylang Terminal, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Jln Kolam Ayer, Bendemeer Rd, Whampoa Nth, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
Tower Transit Bus Service 853#/853M (since 21 Jun 1987)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2019 | Yishun Interchange, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, 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, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2 and Yishun Interchange. |
| 2015 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, 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, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1 and Yishun Interchange. |
| 2014 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, 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, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2 and Yishun Interchange. |
| 2011 | Yishun Interchange, Yishun Ave 2, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, 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, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1, Yishun Ave 2 and Yishun Interchange. |
| 2004 (Dec) | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, 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, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2004 (Apr) | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, 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, Kallang Rd, Sims Ave, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2003 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, 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, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Geylang Bahru, Bendemeer Rd, Whampoa East, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2001 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, 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, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Jln Kolam Ayer, Bendemeer Rd, Whampoa Nth, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1987 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Ang Mo Kio Ave 6, Ang Mo Kio Ave 3, Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Lor Chuan, Boundary Rd, Serangoon Ctrl, Upp Serangoon Rd, Bendemeer Rd, Geylang Bahru, Kallang Bahru, Boon Keng Rd, Upp Boon Keng Rd, Lor 1 Geylang, Sims Ave, Tg Katong Rd, Mountbatten Rd, Amber Rd, Marine Parade Rd, Siglap Rd and Marine Parade Terminal. | Marine Parade Terminal, Siglap Rd, Marine Parade Rd, Amber Rd, Mountbatten Rd, Tg Katong Rd, Geylang Rd, Lor 1 Geylang, Upp Boon Keng Rd, Boon Keng Rd, Kallang Bahru, Jln Kolam Ayer, Bendemeer Rd, Whampoa Nth, Serangoon Rd, Upp Serangoon Rd, Serangoon Ctrl, Boundary Rd, Lor Chuan, Ang Mo Kio Ave 1, Ang Mo Kio Ave 8, Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
Tower Transit Bus Service 854 (since 18 Jan 1987)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2019 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, Hougang Ave 2, Hougang Ave 3, Eunos Lk, Jln Eunos, Sims Ave East, New Upp Changi Rd, Bedok Nth Ave 1, Bedok Nth Dr and Bedok Interchange. | Bedok Interchange, Bedok Nth Dr, Bedok Nth Ave 1, New Upp Changi Rd, Changi Rd, Jln Eunos, Eunos Lk, Hougang Ave 3, Hougang Ave 2, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2015 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, Hougang Ave 2, Hougang Ave 3, Eunos Lk, Jln Eunos, Sims Ave East, New Upp Changi Rd, Bedok Nth Ave 1, Bedok Nth Dr and Bedok Interchange. | Bedok Interchange, Bedok Nth Dr, Bedok Nth Ave 1, New Upp Changi Rd, Changi Rd, Jln Eunos, Eunos Lk, Hougang Ave 3, Hougang Ave 2, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2, Yishun Ctrl and Yishun Interchange. |
| 2011 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, Hougang Ave 2, Hougang Ave 3, Eunos Lk, Jln Eunos, Sims Ave East, New Upp Changi Rd, Bedok Nth Ave 1, Bedok Nth Dr and Bedok Interchange. | Bedok Interchange, Bedok Nth Dr, Bedok Nth Ave 1, New Upp Changi Rd, Changi Rd, Jln Eunos, Eunos Lk, Hougang Ave 3, Hougang Ave 2, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 1987 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, Hougang Ave 2, Hougang Ave 3, Eunos Lk, Jln Eunos, Sims Ave East, New Upp Changi Rd, Bedok Nth Ave 1 and Bedok Interchange. | Bedok Interchange, Bedok Nth Ave 1, New Upp Changi Rd, Changi Rd, Jln Eunos, Eunos Lk, Hougang Ave 3, Hougang Ave 2, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
Tower Transit Bus Service 855 (since 1 Oct 1989)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2019 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, Upp Thomson Rd, Thomson Rd, Lornie Rd, Lornie Highway, Adam Rd, Farrer Rd, Queensway, Jln Bt Merah, Lower Delta Rd, Kg Bahru Rd, Telok Blangah Rd, Seah Im Rd and HarbourFront Interchange. | HarbourFront Interchange, Seah Im Rd, Telok Blangah Rd, Kg Bahru Rd, Lower Delta Rd, Jln Bt Merah, Queensway, Farrer Rd, Adam Rd, Lornie Highway, Lornie Rd, Thomson Rd, Upp Thomson Rd, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2018 | Yishun Interchange, Yishun Ctrl 1, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, Upp Thomson Rd, Thomson Rd, Lornie Rd, Lornie Highway, Adam Rd, Farrer Rd, Queensway, Jln Bt Merah, Lower Delta Rd, Kg Bahru Rd, Telok Blangah Rd, Seah Im Rd and HarbourFront Interchange. | HarbourFront Interchange, Seah Im Rd, Telok Blangah Rd, Kg Bahru Rd, Lower Delta Rd, Jln Bt Merah, Queensway, Farrer Rd, Adam Rd, Lornie Rd, Thomson Rd, Upp Thomson Rd, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2, Yishun Ctrl 1 and Yishun Interchange. |
| 2015 | Yishun Interchange, Yishun Ctrl 1, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, Upp Thomson Rd, Thomson Rd, Lornie Rd, Adam Rd, Farrer Rd, Queensway, Jln Bt Merah, Lower Delta Rd, Kg Bahru Rd, Telok Blangah Rd, Seah Im Rd and HarbourFront Interchange. | HarbourFront Interchange, Seah Im Rd, Telok Blangah Rd, Kg Bahru Rd, Lower Delta Rd, Jln Bt Merah, Queensway, Farrer Rd, Adam Rd, Lornie Rd, Thomson Rd, Upp Thomson Rd, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2, Yishun Ctrl 1 and Yishun Interchange. |
| 1989 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, Upp Thomson Rd, Thomson Rd, Lornie Rd, Adam Rd, Farrer Rd, Queensway, Jln Bt Merah, Lower Delta Rd, Kg Bahru Rd, Telok Blangah Rd, Seah Im Rd and HarbourFront Interchange. | HarbourFront Interchange, Seah Im Rd, Telok Blangah Rd, Kg Bahru Rd, Lower Delta Rd, Jln Bt Merah, Queensway, Farrer Rd, Adam Rd, Lornie Rd, Thomson Rd, Upp Thomson Rd, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
Tower Transit Bus Service 856 (since 25 Dec 1988)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2021 | Yishun Interchange, Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Canberra Rd, Admiralty Rd West, Senoko Ave, Senoko Dr, Senoko Rd, Admiralty Rd West, Woodlands Nth Coast Rd, Admiralty Rd West, Admiralty Rd, Woodlands Ctr Rd, Woodlands Ave 3 and Woodlands Interchange. | Woodlands Interchange, Woodlands Ave 3, Woodlands Ctr Rd, Admiralty Rd, Admiralty Rd West, Woodlands Nth Coast Rd, Admiralty Rd West, Senoko Rd, Senoko Dr, Senoko Ave, Admiralty Rd West, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
| 2020 | Yishun Interchange, Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Canberra Rd, Admiralty Rd West, Senoko Ave, Senoko Dr, Senoko Rd, Admiralty Rd West, Woodlands Nth Coast Rd, Admiralty Rd West, Admiralty Rd, Woodlands Ctr Rd, Woodlands Ave 3, Woodlands Sq and Woodlands Temp Interchange. | Woodlands Temp Interchange, Woodlands Sq, Woodlands Ave 3, Woodlands Ctr Rd, Admiralty Rd, Admiralty Rd West, Woodlands Nth Coast Rd, Admiralty Rd West, Senoko Rd, Senoko Dr, Senoko Ave, Admiralty Rd West, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
| 2019 | Yishun Interchange, Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Canberra Rd, Admiralty Rd West, Senoko Ave, Senoko Dr, Senoko Rd, Admiralty Rd West, Admiralty Rd, Woodlands Ctr Rd, Woodlands Ave 3, Woodlands Sq and Woodlands Temp Interchange. | Woodlands Temp Interchange, Woodlands Sq, Woodlands Ave 3, Woodlands Ctr Rd, Admiralty Rd, Admiralty Rd West, Senoko Rd, Senoko Dr, Senoko Ave, Admiralty Rd West, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
| 2016 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 5, Sembawang Rd, Canberra Rd, Admiralty Rd West, Senoko Ave, Senoko Dr, Senoko Rd, Admiralty Rd West, Admiralty Rd, Woodlands Ctr Rd, Woodlands Ave 3, Woodlands Sq and Woodlands Temp Interchange. | Woodlands Temp Interchange, Woodlands Sq, Woodlands Ave 3, Woodlands Ctr Rd, Admiralty Rd, Admiralty Rd West, Senoko Rd, Senoko Dr, Senoko Ave, Admiralty Rd West, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ctrl and Yishun Interchange. |
| 2015 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 5, Sembawang Rd, Canberra Rd, Admiralty Rd West, Senoko Ave, Senoko Dr, Senoko Rd, Admiralty Rd West, Admiralty Rd, Woodlands Ctr Rd, Woodlands Ave 3 and Woodlands Reg Interchange. | Woodlands Reg Interchange, Woodlands Ave 3, Woodlands Ctr Rd, Admiralty Rd, Admiralty Rd West, Senoko Rd, Senoko Dr, Senoko Ave, Admiralty Rd West, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ctrl and Yishun Interchange. |
| 1996 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 5, Sembawang Rd, Canberra Rd, Admiralty Rd West, Senoko Ave, Senoko Dr, Senoko Rd, Admiralty Rd West, Admiralty Rd, Woodlands Ctr Rd, Woodlands Ave 3 and Woodlands Reg Interchange. | Woodlands Reg Interchange, Woodlands Ave 3, Woodlands Ctr Rd, Admiralty Rd, Admiralty Rd West, Senoko Rd, Senoko Dr, Senoko Ave, Admiralty Rd West, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
| 1988 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 5, Sembawang Rd, Admiralty Rd East, Admiralty Rd West, Senoko Ave, Senoko Dr, Senoko Rd, Admiralty Rd West, Admiralty Rd, Woodlands Ctr Rd, Woodlands Rd and Woodlands Interchange. | Woodlands Interchange, Woodlands Ctr Rd, Woodlands Rd, Woodlands Ctr Rd, Admiralty Rd, Admiralty Rd West, Senoko Rd, Senoko Dr, Senoko Ave, Admiralty Rd West, Admiralty Rd East, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
Tower Transit Bus Service 856A (since 25 Jan 2023)
| Year | Route (PM Peak: One-Directional) |
| 2023 | Woodlands Interchange, Woodlands Ave 3 and Woodlands Ctr Rd (terminating at W’lands Train Checkpt). |
Tower Transit Bus Service 856B (since 25 Jan 2023)
| Year | Route (AM Peak: One-Directional) |
| 2024 | Woodlands Interchange, Woodlands Ave 3, Woodlands Ctr Rd, Admiralty Rd, Admiralty Rd West, Woodlands Nth Coast Rd, Admiralty Rd West, Senoko Rd, Senoko Dr, Senoko Ave, Admiralty Rd West and Canberra Rd (terminating at Aft Admiral Hill). |
| 2023 | Woodlands Nth Coast Rd, Admiralty Rd West, Senoko Rd, Senoko Dr, Senoko Ave, Admiralty Rd West and Canberra Rd (terminating at Aft Admiral Hill). |
Tower Transit Bus Service 857 (since 14 Jan 2001)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2019 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, CTE, Jln Toa Payoh, Bendemeer Rd, Jln Besar, Bencoolen St, Bras Basah Rd, Raffles Blvd, Temasek Blvd and Temasek Ave (Loop) | Raffles Ave, Stamford Rd, Prinsep St, Selegie Rd, Serangoon Rd, Jln Toa Payoh, CTE, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2016 | Yishun Interchange, Yishun Ctrl 1, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, CTE, Jln Toa Payoh, Bendemeer Rd, Jln Besar, Bencoolen St, Bras Basah Rd, Raffles Blvd, Temasek Blvd and Temasek Ave (Loop) | Raffles Ave, Stamford Rd, Prinsep St, Selegie Rd, Serangoon Rd, Jln Toa Payoh, CTE, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2, Yishun Ctrl 1 and Yishun Interchange. |
| 2015 | Yishun Interchange, Yishun Ctrl 1, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, CTE, Jln Toa Payoh, Bendemeer Rd, Jln Besar, Bencoolen St, Middle Rd, Selegie Rd, Prinsep St, Bras Basah Rd, Raffles Blvd, Temasek Blvd and Temasek Ave (Loop) | Raffles Ave, Stamford Rd, Prinsep St, Selegie Rd, Serangoon Rd, Jln Toa Payoh, CTE, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2, Yishun Ctrl 1 and Yishun Interchange. |
| 2011 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, CTE, Jln Toa Payoh, Bendemeer Rd, Jln Besar, Bencoolen St, Middle Rd, Selegie Rd, Prinsep St, Bras Basah Rd, Raffles Blvd, Temasek Blvd and Temasek Ave (Loop) | Raffles Ave, Stamford Rd, Prinsep St, Selegie Rd, Serangoon Rd, Jln Toa Payoh, CTE, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
| 2001 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, CTE, Jln Toa Payoh, Bendemeer Rd, Jln Besar, Bencoolen St, Bras Basah Rd, Raffles Blvd, Temasek Blvd and Temasek Ave (Loop) | Raffles Ave, Stamford Rd, Prinsep St, Selegie Rd, Serangoon Rd, Jln Toa Payoh, CTE, Yio Chu Kang Rd, Lentor Ave, Yishun Ave 2 and Yishun Interchange. |
Tower Transit Bus Service 857A (since 12 Aug 2013)
| Year | Route (AM Peak: One-Directional) |
| 2019 | Yishun Interchange, Yishun Ave 2, Lentor Ave and Yio Chu Kang Rd (terminating at Opp Sunrise Gdns). |
| 2015 | Yishun Interchange, Yishun Ctrl 1, Yishun Ave 2, Lentor Ave and Yio Chu Kang Rd (terminating at Opp Sunrise Gdns). |
| 2013 | Yishun Interchange, Yishun Ave 2, Lentor Ave and Yio Chu Kang Rd (terminating at Opp Sunrise Gdns). |
Tower Transit Bus Service 857B (since 11 Apr 2021)
| Year | Route (AM Peak/Last Bus: One-Directional) |
| 2021 | Yishun Interchange, Yishun Ave 2, Lentor Ave, Yio Chu Kang Rd, CTE, Jln Toa Payoh, Bendemeer Rd, Jln Besar, Bencoolen St, Bras Basah Rd, Raffles Blvd, Temasek Blvd and Temasek Ave (terminating at Aft Promenade Stn Exit C). |
Tower Transit Bus Service 858 (since 10 Mar 1996)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2021 | Woodlands Interchange, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Woodlands Ave 7, Sembawang Way, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, SLE, TPE, Jln Kayu, TPE, PIE, ECP, Airport Blvd, T3 Departure Dr, T3 Lk Sth, Changi Airport Ter 3, T3 Lk Nth, T1 Blvd, T1 Basement Dr, Changi Airport Ter 1, T1 Basement Dr, T2 Basement Dr and Changi Airport Ter 2 (Loop) | T2 Basement Dr, T2 Blvd, Airport Blvd, ECP, PIE, TPE, Jln Kayu, TPE, SLE, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1, Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Canberra Rd, Sembawang Way, Woodlands Ave 7, Gambas Ave, Woodlands Ave 9, Woodlands Ave 4, Woodlands Ave 7 and Woodlands Interchange. |
| 2016 | Woodlands Temp Interchange, Woodlands Sq, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Woodlands Ave 7, Sembawang Way, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, SLE, TPE, Jln Kayu, TPE, PIE, ECP, Airport Blvd, T3 Departure Dr, T3 Lk Sth, Changi Airport PTB3, T3 Lk Nth, T1 Blvd, T1 Basement Dr, Changi Airport PTB1, T1 Basement Dr, T2 Basement Dr and Changi Airport PTB2 (Loop) | T2 Basement Dr, T2 Blvd, Airport Blvd, ECP, PIE, TPE, Jln Kayu, TPE, SLE, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1, Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Canberra Rd, Sembawang Way, Woodlands Ave 7, Gambas Ave, Woodlands Ave 9, Woodlands Ave 4, Woodlands Ave 7, Woodlands Sq and Woodlands Temp Interchange. |
| 2010 | Woodlands Reg Interchange, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Woodlands Ave 7, Sembawang Way, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2, Yishun Ctrl 1, Yishun Ctrl 2, Yishun Ctrl, Yishun Ave 2, Lentor Ave, SLE, TPE, Jln Kayu, TPE, PIE, ECP, Airport Blvd, T3 Departure Dr, T3 Lk Sth, Changi Airport PTB3, T3 Lk Nth, T1 Blvd, T1 Basement Dr, Changi Airport PTB1, T1 Basement Dr, T2 Basement Dr and Changi Airport PTB2 (Loop) | T2 Basement Dr, T2 Blvd, Airport Blvd, ECP, PIE, TPE, Jln Kayu, TPE, SLE, Lentor Ave, Yishun Ave 2, Yishun Ctrl, Yishun Ctrl 2, Yishun Ctrl 1, Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Canberra Rd, Sembawang Way, Woodlands Ave 7, Gambas Ave, Woodlands Ave 9, Woodlands Ave 4, Woodlands Ave 7 and Woodlands Reg Interchange. |
| 2007 | Woodlands Reg Interchange, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Sembawang Rd, Yishun Ave 5, Yishun Ave 2, Lentor Ave, SLE, TPE, Jln Kayu, TPE, PIE, ECP, Airport Blvd, T3 Departure Dr, T3 Lk Sth, Changi Airport PTB3, T3 Lk Nth, T1 Blvd, T1 Basement Dr, Changi Airport PTB1, T1 Basement Dr, T2 Basement Dr and Changi Airport PTB2 (Loop) | T2 Basement Dr, T2 Blvd, Airport Blvd, ECP, PIE, TPE, Jln Kayu, TPE, SLE, Lentor Ave, Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Gambas Ave, Woodlands Ave 9, Woodlands Ave 4, Woodlands Ave 7 and Woodlands Reg Interchange. |
| 2001 | Woodlands Reg Interchange, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Sembawang Rd, Yishun Ave 5, Yishun Ave 2, Lentor Ave, SLE, TPE, Jln Kayu, TPE, PIE, ECP, Airport Blvd, T1 Blvd, T1 Basement Dr, Changi Airport PTB1, T1 Basement Dr, T2 Basement Dr and Changi Airport PTB2 (Loop) | T2 Basement Dr, T2 Blvd, Airport Blvd, ECP, PIE, TPE, Jln Kayu, TPE, SLE, Lentor Ave, Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Gambas Ave, Woodlands Ave 9, Woodlands Ave 4, Woodlands Ave 7 and Woodlands Reg Interchange. |
| 1997 | Woodlands Reg Interchange, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Sembawang Rd, Yishun Ave 5, Yishun Ave 2, Lentor Ave, SLE, TPE, PIE, ECP, Airport Blvd, T1 Blvd, T1 Basement Dr, Changi Airport PTB1, T1 Basement Dr, T2 Basement Dr and Changi Airport PTB2 (Loop) | T2 Basement Dr, T2 Blvd, Airport Blvd, ECP, PIE, TPE, SLE, Lentor Ave, Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Gambas Ave, Woodlands Ave 9, Woodlands Ave 4, Woodlands Ave 7 and Woodlands Reg Interchange. |
| 1996 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 2, Yishun Ave 3, Sembawang Rd, Gambas Ave, Woodlands Ave 9, Woodlands Ave 4, Woodlands Ave 7 and Woodlands Reg Interchange. | Woodlands Reg Interchange, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Sembawang Rd, Yishun Ave 3, Yishun Ave 2 and Yishun Interchange. |
Tower Transit Bus Service 858A (since 1999)
| Year | Route (Last Bus: One-Directional) |
| 2021 | Woodlands Interchange, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Woodlands Ave 7, Sembawang Way, Canberra Rd, Sembawang Rd, Yishun Ave 5 and Yishun Ave 2 (terminating at Opp Yishun Stn). |
| 2016 | Woodlands Temp Interchange, Woodlands Sq, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Woodlands Ave 7, Sembawang Way, Canberra Rd, Sembawang Rd, Yishun Ave 5 and Yishun Ave 2 (terminating at Opp Yishun Stn). |
| 2010 | Woodlands Reg Interchange, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Woodlands Ave 7, Sembawang Way, Canberra Rd, Sembawang Rd, Yishun Ave 5 and Yishun Ave 2 (terminating at Aft Northpoint Shop Ctr). |
| 1999 | Woodlands Reg Interchange, Woodlands Ave 7, Woodlands Ave 4, Woodlands Ave 9, Gambas Ave, Sembawang Rd, Yishun Ave 5 and Yishun Ave 2 (terminating at Blk 923). |
Tower Transit Bus Service 858B (since 1 Feb 2016)
| Year | Route (AM Peak: One-Directional) |
| 2016 | Jln Kayu, TPE, PIE, ECP, Airport Blvd, T3 Departure Dr, T3 Lk Sth, Changi Airport Ter 3, T3 Lk Nth, T1 Blvd, T1 Basement Dr, Changi Airport Ter 1, T1 Basement Dr, T2 Basement Dr, Changi Airport Ter 2, T2 Basement Dr, T2 Blvd, Airport Blvd, ECP, PIE, TPE and Jln Kayu (terminating at Aft Seletar Camp G). |
Tower Transit Bus Service 859 (since 4 Apr 1999)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2023 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Rd, Admiralty Lane, Admiralty Lk, Sembawang Dr, Admiralty Dr, Sembawang Cres, Sembawang Dr, Sembawang Vista, Canberra Rd, Canberra Lk, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange (Loop) | Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Canberra Lk, Canberra Rd, Sembawang Vista, Sembawang Dr, Sembawang Cres, Admiralty Dr, Sembawang Dr, Admiralty Lk, Admiralty Lane, Canberra Rd, Sembawang Way, Sembawang Dr, Sembawang Vista and Sembawang Interchange. |
| 2019 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Rd, Admiralty Lane, Admiralty Lk, Sembawang Dr, Admiralty Dr, Sembawang Cres, Sembawang Dr, Sembawang Vista, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange (Loop) | Yishun Ave 2, Yishun Ave 5, Sembawang Rd, Canberra Rd, Sembawang Vista, Sembawang Dr, Sembawang Cres, Admiralty Dr, Sembawang Dr, Admiralty Lk, Admiralty Lane, Canberra Rd, Sembawang Way, Sembawang Dr, Sembawang Vista and Sembawang Interchange. |
| 2015 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Rd, Admiralty Lane, Admiralty Lk, Sembawang Dr, Admiralty Dr, Sembawang Cres, Sembawang Dr, Sembawang Vista, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ctrl and Yishun Interchange (Loop) | Yishun Ctrl, Yishun Ave 5, Sembawang Rd, Canberra Rd, Sembawang Vista, Sembawang Dr, Sembawang Cres, Admiralty Dr, Sembawang Dr, Admiralty Lk, Admiralty Lane, Canberra Rd, Sembawang Way, Sembawang Dr, Sembawang Vista and Sembawang Interchange. |
| 2006 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 5, Sembawang Rd, Canberra Rd, Sembawang Vista, Sembawang Dr, Sembawang Cres, Admiralty Dr, Sembawang Dr, Admiralty Lk, Admiralty Lane, Canberra Rd, Sembawang Way, Sembawang Dr, Sembawang Vista and Sembawang Interchange. | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Rd, Admiralty Lane, Admiralty Lk, Sembawang Dr, Admiralty Dr, Sembawang Cres, Sembawang Dr, Sembawang Vista, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
| 2005 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 5, Sembawang Rd, Canberra Rd, Sembawang Vista, Sembawang Dr, Sembawang Cres, Admiralty Dr, Sembawang Dr, Admiralty Lk, Admiralty Lane, Canberra Rd, Sembawang Vista and Sembawang Interchange. | Sembawang Interchange, Sembawang Vista, Canberra Rd, Admiralty Lane, Admiralty Lk, Sembawang Dr, Admiralty Dr, Sembawang Cres, Sembawang Dr, Sembawang Vista, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
| 2000 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 5, Sembawang Rd, Canberra Rd, Sembawang Vista and Sembawang Dr (Loop) | Admiralty Dr, Sembawang Cres, Sembawang Dr, Sembawang Vista, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
| 1999 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 5, Sembawang Rd, Canberra Rd, Sembawang Vista and Sembawang Dr (Loop) | Sembawang Way, Sembawang Cres, Sembawang Dr, Sembawang Vista, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
Tower Transit Bus Service 859A (since 17 Aug 2014)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2014 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Rd, Admiralty Lane and Admiralty Lk (Loop) | Sembawang Dr, Admiralty Dr, Sembawang Cres, Sembawang Dr, Sembawang Vista and Sembawang Interchange. |
Tower Transit Bus Service 859B (since 17 Aug 2014)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2014 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Cres, Admiralty Dr, Sembawang Dr and Admiralty Lk (Loop) | Admiralty Lane, Canberra Rd, Sembawang Way, Sembawang Dr, Sembawang Vista and Sembawang Interchange. |
Tower Transit Bus Service 859T (since 11 Apr 2021)
| Year | Route (Last Bus: One-Directional) |
| 2021 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Rd, Admiralty Lane, Admiralty Lk, Sembawang Dr, Admiralty Dr, Sembawang Cres, Sembawang Dr, Sembawang Vista, Canberra Rd, Sembawang Rd, Yishun Ave 5, Yishun Ave 2 and Yishun Interchange. |
SBS Transit Bus Service 860 (since 21 Oct 2012)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2022 | Yio Chu Kang Interchange, Ang Mo Kio Ave 6, Ang Mo Kio Ave 5, Yio Chu Kang Rd, Upp Thomson Rd, Sembawang Rd, Yishun Ave 3, Yishun Ave 2, Yishun Ring Rd, Yishun Ave 9, Yishun Ctrl, Yishun Ave 2 and Yishun Interchange (Loop) | Yishun Ave 2, Yishun Ctrl, Yishun Ave 9, Yishun Ring Rd, Yishun Ave 2, Yishun Ave 3, Sembawang Rd, Upp Thomson Rd, Yio Chu Kang Rd, Ang Mo Kio Ave 5, Ang Mo Kio Ave 6, Ang Mo Kio Ave 8 and Yio Chu Kang Interchange. |
| 2019 | Yishun Interchange, Yishun Ave 2, Yishun Ctrl, Yishun Ave 9, Yishun Ring Rd, Yishun Ave 2, Yishun Ave 3, Sembawang Rd, Upp Thomson Rd, Yio Chu Kang Rd, Ang Mo Kio Ave 5, Ang Mo Kio Ave 6, Ang Mo Kio Ave 8 and Yio Chu Kang Interchange (Loop) | Ang Mo Kio Ave 6, Ang Mo Kio Ave 5, Yio Chu Kang Rd, Upp Thomson Rd, Sembawang Rd, Yishun Ave 3, Yishun Ave 2, Yishun Ring Rd, Yishun Ave 9, Yishun Ctrl, Yishun Ave 2 and Yishun Interchange. |
| 2017 | Yishun Interchange, Yishun Ave 9, Yishun Ring Rd, Yishun Ave 2, Yishun Ave 3, Sembawang Rd, Upp Thomson Rd, Yio Chu Kang Rd, Ang Mo Kio Ave 5, Ang Mo Kio Ave 6, Ang Mo Kio Ave 8 and Yio Chu Kang Interchange (Loop) | Ang Mo Kio Ave 6, Ang Mo Kio Ave 5, Yio Chu Kang Rd, Upp Thomson Rd, Sembawang Rd, Yishun Ave 3, Yishun Ave 2, Yishun Ring Rd, Yishun Ave 9 and Yishun Interchange. |
| 2015 | Yishun Interchange, Yishun Ave 9, Yishun Ring Rd, Yishun Ave 3 and Yishun Ave 2 (Loop) | Yishun Ring Rd, Yishun Ave 9 and Yishun Interchange. |
| 2012 | Yishun Interchange, Yishun Ctrl 1, Yishun Ctrl, Yishun Ave 9, Yishun Ring Rd, Yishun Ave 3 and Yishun Ave 2 (Loop) | Yishun Ring Rd, Yishun Ave 9, Yishun Ctrl, Yishun Ave 2 and Yishun Interchange. |
SBS Transit Bus Service 860T (since 11 Apr 2021)
| Year | Route (Last Bus: One-Directional) |
| 2022 | Yio Chu Kang Interchange, Ang Mo Kio Ave 6, Ang Mo Kio Ave 5, Yio Chu Kang Rd, Upp Thomson Rd, Sembawang Rd, Yishun Ave 3, Yishun Ave 2, Yishun Ring Rd, Yishun Ave 9, Yishun Ctrl, Yishun Ave 2 and Yishun Interchange. |
| 2021 | Yishun Interchange, Yishun Ave 2, Yishun Ctrl, Yishun Ave 9, Yishun Ring Rd, Yishun Ave 2, Yishun Ave 3, Sembawang Rd, Upp Thomson Rd, Yio Chu Kang Rd, Ang Mo Kio Ave 5, Ang Mo Kio Ave 6, Ang Mo Kio Ave 8 and Yio Chu Kang Interchange. |
Tower Transit Bus Service 861 (since 15 Sep 2024)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2024 | Sembawang Interchange, Sembawang Vista, Canberra Rd, Canberra Lk, Sembawang Rd, Canberra St, Canberra Way, Canberra Lk, Yishun Ave 7, Yishun Ave 6, Yishun St 42, Yishun St 43, Yishun Ave 1, Yishun St 41 and Yishun Ring Rd (Loop) | Yishun Ave 3, Yishun Ave 2, Yishun Ring Rd, Yishun St 41, Yishun Ave 1, Yishun St 43, Yishun St 42, Yishun Ave 6, Yishun Ave 7, Canberra Lk, Canberra Way, Canberra St, Sembawang Rd, Canberra Lk, Canberra Rd, Sembawang Vista and Sembawang Interchange. |
Tower Transit Bus Service 861A (since 15 Sep 2024)
| Year | Route (Last Bus: One-Directional) |
| 2024 | Sembawang Interchange, Sembawang Vista, Canberra Rd, Canberra Lk, Sembawang Rd, Canberra St, Canberra Way, Canberra Lk, Yishun Ave 7, Yishun Ave 6, Yishun St 42, Yishun St 43, Yishun Ave 1, Yishun St 41 and Yishun Ring Rd (terminating at Khatib Stn Exit D). |
Tower Transit Bus Service 870 (since 26 Nov 2023)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2024 | Jurong Town Hall Interchange, Venture Dr, Jurong Gateway Rd, Jurong East Ctrl, Bt Batok Ave 1, Bt Batok West Ave 6, Bt Batok West Ave 3, Bt Batok Rd, Tengah Lk, Plantation Cres, Tengah Blvd and Tengah Interchange. | Tengah Interchange, Tengah Blvd, Plantation Cres, Tengah Lk, Bt Batok Rd, Bt Batok West Ave 3, Bt Batok West Ave 6, Bt Batok Ave 1, Jurong East Ctrl, Jurong Gateway Rd, Venture Dr and Jurong Town Hall Interchange. |
| 2023 (Dec) | Jurong Town Hall Interchange, Venture Dr, Jurong Gateway Rd, Jurong East Ctrl, Bt Batok Ave 1, Bt Batok West Ave 6, Bt Batok West Ave 3, Bt Batok Rd, Tengah Lk, Plantation Cres and Tengah Blvd (Loop) | Tengah Dr, Bt Batok Rd, Bt Batok West Ave 3, Bt Batok West Ave 6, Bt Batok Ave 1, Jurong East Ctrl, Jurong Gateway Rd, Venture Dr and Jurong Town Hall Interchange. |
| 2023 (Nov) | Jurong Town Hall Interchange, Venture Dr, Jurong Gateway Rd, Jurong East Ctrl, Bt Batok Ave 1, Bt Batok West Ave 6, Bt Batok West Ave 3, Bt Batok Rd, Tengah Lk and Plantation Cres (Loop) | Tengah Lk, Bt Batok Rd, Bt Batok West Ave 3, Bt Batok West Ave 6, Bt Batok Ave 1, Jurong East Ctrl, Jurong Gateway Rd, Venture Dr and Jurong Town Hall Interchange. |
Tower Transit Bus Service 871 (since 21 Jul 2024)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2024 | Tengah Interchange, Tengah Blvd, Tengah Dr, Tengah Gdn Wk, Tengah Gdn Ave, Tengah Blvd, Plantation Cres, Tengah Lk, Bt Batok Rd, Bt Batok West Ave 6, Bt Batok West Ave 5, Bt Batok East Ave 5, Bt Batok St 52, Bt Batok East Ave 5, Bt Batok East Ave 2, Bt Batok East Ave 3, Bt Batok East Ave 6, Jln Jurong Kechil and Upp Bt Timah Rd (Loop) | Jln Anak Bt, Jln Jurong Kechil, Bt Batok East Ave 6, Bt Batok East Ave 3, Bt Batok East Ave 2, Bt Batok East Ave 5, Bt Batok St 52, Bt Batok East Ave 5, Bt Batok West Ave 5, Bt Batok West Ave 6, Bt Batok Rd, Tengah Lk, Plantation Cres, Tengah Blvd, Tengah Gdn Ave, Tengah Gdn Wk, Tengah Dr, Tengah Blvd and Tengah Interchange. |
Tower Transit Bus Service 882 (since 20 Nov 2005)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2009 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Rd, Wellington Circle, Montreal Dr, Montreal Lk, Sembawang Rd and Sembawang Rd End (Loop) | Sembawang Rd, Montreal Lk, Montreal Dr, Wellington Circle, Canberra Rd, Sembawang Way, Sembawang Dr, Sembawang Vista and Sembawang Interchange. |
| 2005 | Sembawang Interchange, Sembawang Vista, Canberra Rd, Canberra Lk, Sembawang Rd and Sembawang Rd End (Loop) | Sembawang Rd, Canberra Lk, Canberra Rd, Sembawang Vista and Sembawang Interchange. |
Tower Transit Bus Service 882A (since 18 Aug 2014)
| Year | Route (PM Peak: One-Directional) |
| 2014 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Rd, Wellington Circle, Montreal Dr and Montreal Lk (terminating at Blk 592A). |
Tower Transit Bus Service 883 (since 23 Oct 2016)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2016 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Lk, Sembawang Rd, Canberra St, Canberra Way, Canberra Lk, Yishun Ave 2, Yishun Ctrl 1 and Yishun Ctrl 2 (Loop) | Yishun Ctrl, Yishun Ave 2, Canberra Lk, Canberra Way, Canberra St, Sembawang Rd, Canberra Lk, Sembawang Way, Sembawang Dr, Sembawang Vista and Sembawang Interchange. |
Tower Transit Bus Service 883B (since 25 Feb 2019)
| Year | Route (PM Peak: One-Directional) |
| 2020 | Yishun Ave 2, Canberra Lk, Canberra Way, Canberra St and Sembawang Rd (terminating at Opp Blk 590C). |
| 2019 | Yishun Ave 2, Canberra Lk and Canberra Way (terminating at Blk 120A). |
Tower Transit Bus Service 883M (since 12 Jan 2020)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2020 | Sembawang Interchange, Sembawang Vista, Sembawang Dr, Sembawang Way, Canberra Lk, Sembawang Rd, Canberra St, Canberra Way, Canberra Lk, Yishun Ave 2, Yishun Ave 7, Sembawang Rd and Yishun Ave 5 (Loop) | Yishun Ave 2, Canberra Lk, Canberra Way, Canberra St, Sembawang Rd, Canberra Lk, Sembawang Way, Sembawang Dr, Sembawang Vista and Sembawang Interchange. |
External Links & References:
- SBS Bus Guides 1985 – 1990/1991
- TransitLink Bus Guides 1992 – 2014
- Transitlink eGuide (until Aug 2024)
- SimplyGo eGuide (from Sep 2024)
- SGWiki – History of Bus Services