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 90 (since 23 May 1993)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2011 | Toa Payoh Interchange, Lor 2 Toa Payoh, Lor 6 Toa Payoh, Kim Keat Lk, Jln Toa Payoh, MacPherson Rd and Airport Rd (Loop) | MacPherson Rd, Jln Toa Payoh, Kim Keat Lk, Lor 6 Toa Payoh and Toa Payoh Interchange. |
| 1994 | Toa Payoh Interchange, Lor 2 Toa Payoh, Lor 6 Toa Payoh, Kim Keat Lk, Jln Toa Payoh, MacPherson Rd and Airport Rd (Loop) | MacPherson Rd, Bendemeer Rd, Whampoa Nth, Serangoon Rd, Jln Toa Payoh, Kim Keat Lk, Lor 6 Toa Payoh and Toa Payoh Interchange. |
| 1993 | Toa Payoh Interchange, Lor 2 Toa Payoh, Lor 6 Toa Payoh, Kim Keat Lk, Jln Toa Payoh, MacPherson Rd and Airport Rd (Loop) | MacPherson Rd, Bendemeer Rd, Whampoa Nth, Serangoon Rd, Jln Toa Payoh, Lor 2 Toa Payoh, Lor 6 Toa Payoh and Toa Payoh Interchange. |
SBS Transit Bus Service 90A (since 2001)
| Year | Route (AM Peak: One-Directional) |
| 2008 | Toa Payoh Interchange, Lor 2 Toa Payoh, Lor 6 Toa Payoh, Kim Keat Lk, Jln Toa Payoh, MacPherson Rd and Airport Rd (terminating at Paya Lebar Air Base). |
| 2005 | Toa Payoh Interchange, Lor 2 Toa Payoh, Lor 6 Toa Payoh, Kim Keat Lk, Jln Toa Payoh, MacPherson Rd and Airport Rd (terminating at KB Warehse Cplx). |
| 2001 | Toa Payoh Interchange, Lor 2 Toa Payoh, Lor 6 Toa Payoh, Kim Keat Lk, Jln Toa Payoh, MacPherson Rd and Airport Rd (terminating at RSAF Paya Lebar). |
SBS Transit Bus Service 91 (since 13 Feb 1995)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 1995 | Buona Vista Terminal, Holland Dr, Holland Ave, Commonwealth Ave, Nth Buona Vista Rd, Ayer Rajah Ave and Ayer Rajah Cres (Loop) | Ayer Rajah Ave, Nth Buona Vista Rd, Commonwealth Ave, Holland Ave, Holland Dr and Buona Vista Terminal. |
SBS Transit Bus Service M1 > 92 (since 11 Sep 1989)
Bus Service M1 was re-numbered to Bus Service 92 from Monday, 6 Oct 1997.
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2007 (92) |
Ghim Moh Terminal, Ghim Moh Rd, Commonwealth Ave West, Nth Buona Vista Rd, Buona Vista Flyover, Sth Buona Vista Rd and Science Pk Dr (Loop) | Sth Buona Vista Rd, Buona Vista Flyover, Nth Buona Vista Rd, Commonwealth Ave West, Ghim Moh Rd, Mt Sinai Rd, Mt Sinai Dr, Mt Sinai Wk, Moonbeam Wk, Holland Rd, Ulu Pandan Rd, Pandan Valley, Mt Sinai Rise, Mt Sinai Dr, Mt Sinai Rd, Ghim Moh Rd and Ghim Moh Terminal. |
| 1994 (M1) |
Science Pk Dr, Sth Buona Vista Rd, Buona Vista Flyover, Nth Buona Vista Rd, Commonwealth Ave West, Ghim Moh Rd, Mt Sinai Rd, Mt Sinai Dr, Mt Sinai Wk, Moonbeam Wk, Holland Rd, Ulu Pandan Rd, Pandan Valley, Mt Sinai Rise and Mt Sinai Dr (Loop) | Mt Sinai Rd, Ghim Moh Rd, Commonwealth Ave West, Nth Buona Vista Rd, Buona Vista Flyover, Sth Buona Vista Rd and Science Pk Dr. |
| 1989 (M1) |
Nth Buona Vista Rd, Commonwealth Ave West, Ghim Moh Rd, Mt Sinai Rd, Mt Sinai Dr, Mt Sinai Wk, Moonbeam Wk, Holland Rd, Ulu Pandan Rd, Pandan Valley, Mt Sinai Rise and Mt Sinai Dr (Loop) | Mt Sinai Rd, Ghim Moh Rd, Commonwealth Ave West and Nth Buona Vista Rd. |
SBS Transit Bus Service 92M (since 30 Aug 2015)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2015 | Ghim Moh Terminal, Ghim Moh Rd, Commonwealth Ave West, Nth Buona Vista Rd, Portsdown Rd and Nepal Circus (Loop) | Portsdown Rd, Nth Buona Vista Rd, Commonwealth Ave West, Ghim Moh Rd, Mt Sinai Rd, Mt Sinai Dr, Mt Sinai Wk, Moonbeam Wk, Holland Rd, Ulu Pandan Rd, Pandan Valley, Mt Sinai Rise, Mt Sinai Dr, Mt Sinai Rd, Ghim Moh Rd and Ghim Moh Terminal. |
SBS Transit Bus Service 93 (since 11 Apr 1971)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2019 | HarbourFront Interchange, Seah Im Rd, Telok Blangah Rd, Alexandra Rd, Queensway, Farrer Rd, Adam Rd, Lornie Highway, Lornie Rd, Thomson Rd, Braddell Rd, Bartley Rd, Upp Paya Lebar Rd, Airport Rd, Eunos Lk, Jln Eunos, Changi Rd, Jln Turi, Sims Ave, Eunos Rd 2 and Eunos Interchange. | Eunos Interchange, Eunos Rd 2, Sims Ave, Jln Eunos, Eunos Lk, Airport Rd, Upp Paya Lebar Rd, Bartley Rd, Braddell Rd, Thomson Rd, Lornie Rd, Lornie Highway, Adam Rd, Farrer Rd, Queensway, Alexandra Rd, Telok Blangah Rd, Seah Im Rd and HarbourFront Interchange. |
| 2018 | HarbourFront Interchange, Seah Im Rd, Telok Blangah Rd, Alexandra Rd, Queensway, Farrer Rd, Adam Rd, Lornie Rd, Thomson Rd, Braddell Rd, Bartley Rd, Upp Paya Lebar Rd, Airport Rd, Eunos Lk, Jln Eunos, Changi Rd, Jln Turi, Sims Ave, Eunos Rd 2 and Eunos Interchange. | Eunos Interchange, Eunos Rd 2, Sims Ave, Jln Eunos, Eunos Lk, Airport Rd, Upp Paya Lebar Rd, Bartley Rd, Braddell Rd, Thomson Rd, Lornie Rd, Lornie Highway, Adam Rd, Farrer Rd, Queensway, Alexandra Rd, Telok Blangah Rd, Seah Im Rd and HarbourFront Interchange. |
| 1993 | HarbourFront Interchange, Seah Im Rd, Telok Blangah Rd, Alexandra Rd, Queensway, Farrer Rd, Adam Rd, Lornie Rd, Thomson Rd, Braddell Rd, Bartley Rd, Upp Paya Lebar Rd, Airport Rd, Eunos Lk, Jln Eunos, Changi Rd, Jln Turi, Sims Ave, Eunos Rd 2 and Eunos Interchange. | Eunos Interchange, Eunos Rd 2, Sims Ave, Jln Eunos, Eunos Lk, Airport Rd, Upp Paya Lebar Rd, Bartley Rd, Braddell Rd, Thomson Rd, Lornie Rd, Adam Rd, Farrer Rd, Queensway, Alexandra Rd, Telok Blangah Rd, Seah Im Rd and HarbourFront Interchange. |
| 1985 | World Trade Ctr Terminal, Seah Im Rd, Telok Blangah Rd, Alexandra Rd, Queensway, Farrer Rd, Adam Rd, Lornie Rd, Thomson Rd, Braddell Rd, Bartley Rd, Upp Paya Lebar Rd and Airport Rd (Loop) | Upp Paya Lebar Rd, Bartley Rd, Braddell Rd, Thomson Rd, Lornie Rd, Adam Rd, Farrer Rd, Queensway, Alexandra Rd, Telok Blangah Rd, Seah Im Rd and World Trade Ctr Terminal. |
| 1981 | Alexandra Rd, Queensway, Farrer Rd, Adam Rd, Lornie Rd, Thomson Rd, Braddell Rd, Bartley Rd, Upp Paya Lebar Rd and Airport Rd (Loop) | Upp Paya Lebar Rd, Bartley Rd, Braddell Rd, Thomson Rd, Lornie Rd, Adam Rd, Farrer Rd, Queensway, Alexandra Rd, Pasir Panjang Rd, Labrador Villa Rd and Alexandra Rd. |
| 1971 | Airport Rd, Upp Paya Lebar Rd, Bartley Rd, Braddell Rd, Thomson Rd, Lornie Rd, Adam Rd, Farrer Rd, Queensway, Alexandra Rd, Pasir Panjang Rd, Labrador Villa Rd and Alexandra Rd. | Alexandra Rd, Queensway, Farrer Rd, Adam Rd, Lornie Rd, Thomson Rd, Braddell Rd, Bartley Rd, Upp Paya Lebar Rd and Airport Rd. |
SBS Transit Bus Service 94 (since 5 Nov 1989)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 1989 | Eunos Interchange, Eunos Rd 2, Sims Ave, Jln Eunos, Eunos Lk and Airport Rd (Loop) | Eunos Lk, Jln Eunos, Changi Rd, Jln Turi, Sims Ave, Eunos Rd 2 and Eunos Interchange. |
SBS Transit Bus Service 94A (since 2000)
| Year | Route (AM Peak: One-Directional) |
| 2000 | Eunos Interchange, Eunos Rd 2, Sims Ave, Jln Eunos, Eunos Lk and Airport Rd (terminating at Bef RSAF Roundabout). |
SBS Transit Bus Service 95 (since 15 Jan 1990)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2006 | Kent Ridge Terminal, Clementi Rd, Kent Ridge Cres, Lower Kent Ridge Rd, Buona Vista Flyover, Nth Buona Vista Rd, Commonwealth Ave, Holland Ave and Holland Rd (Loop) | Nth Buona Vista Rd, Holland Dr, Holland Ave, Commonwealth Ave, Nth Buona Vista Rd, Buona Vista Flyover, Lower Kent Ridge Rd, Kent Ridge Cres, Clementi Rd and Kent Ridge Terminal. |
| 2001 | Buona Vista Terminal, Holland Dr, Holland Ave, Commonwealth Ave, Nth Buona Vista Rd, Buona Vista Flyover, Lower Kent Ridge Rd, Kent Ridge Cres, Clementi Rd and Kent Ridge Terminal (Loop) | Clementi Rd, Kent Ridge Cres, Lower Kent Ridge Rd, Buona Vista Flyover, Nth Buona Vista Rd, Commonwealth Ave, Holland Ave, Holland Dr and Buona Vista Terminal. |
| 1993 | Buona Vista Terminal, Holland Dr, Holland Ave, Commonwealth Ave, Nth Buona Vista Rd, Buona Vista Flyover and Lower Kent Ridge Rd (Loop) | Buona Vista Flyover, Nth Buona Vista Rd, Commonwealth Ave, Holland Ave, Holland Dr and Buona Vista Terminal. |
| 1990 | Buona Vista Terminal, Nth Buona Vista Rd, Commonwealth Ave, Holland Ave, Holland Dr, Nth Buona Vista Rd, Buona Vista Flyover and Lower Kent Ridge Rd (Loop) | Buona Vista Flyover, Nth Buona Vista Rd, Commonwealth Ave, Holland Ave, Holland Dr and Buona Vista Terminal. |
SBS Transit Bus Service 95B (since 2004)
| Year | Route (PM Peak: One-Directional) |
| 2004 | Kent Ridge Terminal, Clementi Rd, Kent Ridge Cres, Lower Kent Ridge Rd, Buona Vista Flyover and Nth Buona Vista Rd (terminating at Buona Vista Stn Exit C). |
Tower Transit Bus Service 96 (since 16 Aug 1982)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 1982 | Clementi Interchange, Clementi Ave 3, Commonwealth Ave West, Clementi Rd and Kent Ridge Cres (Loop) | Clementi Rd, Commonwealth Ave West, Clementi Ave 3 and Clementi Interchange. |
Tower Transit Bus Service 96A (since 2001)
| Year | Route (AM Peak: One-Directional) |
| 2001 | Clementi Interchange, Clementi Ave 3, Commonwealth Ave West, Clementi Rd and Kent Ridge Cres (terminating at NUS Raffles Hall). |
Tower Transit Bus Service 96B (since 2007)
| Year | Route (PM Peak: One-Directional) |
| 2021 | Kent Ridge Cres, Clementi Rd and Commonwealth Ave West (terminating at Clementi Stn Exit A). |
| 2007 | Clementi Interchange, Clementi Ave 3, Commonwealth Ave West, Clementi Rd, Kent Ridge Cres, Clementi Rd and Commonwealth Ave West (terminating at Clementi Stn Exit A). |
Tower Transit Bus Service 97 (since 29 Aug 1983)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2020 | Jurong East Interchange, Jurong Gateway Rd, Jurong East St 12, Jurong Town Hall Rd, AYE, Buona Vista Flyover, AYE, Alexandra Rd, Telok Blangah Rd, Keppel Rd, Anson Rd, Robinson Rd, Finlayson Green, Marina Blvd, Bayfront Ave, Temasek Ave, Temasek Blvd, Raffles Blvd and Marina Ctr Terminal. | Marina Ctr Terminal, Raffles Blvd, Raffles Ave, Nicoll Highway, Raffles Blvd, Temasek Blvd, Temasek Ave, Bayfront Ave, Central Blvd, Shenton Way, Keppel Rd, Telok Blangah Rd, Alexandra Rd, AYE, Buona Vista Flyover, AYE, Jurong Town Hall Rd, Jurong East St 12, Jurong Gateway Rd and Jurong East Interchange. |
| 2010 | Jurong East Interchange, Jurong Gateway Rd, Jurong East Ctrl, Jurong Town Hall Rd, AYE, Buona Vista Flyover, AYE, Alexandra Rd, Telok Blangah Rd, Keppel Rd, Anson Rd, Robinson Rd, Finlayson Green, Marina Blvd, Bayfront Ave, Temasek Ave, Temasek Blvd, Raffles Blvd and Marina Ctr Terminal. | Marina Ctr Terminal, Raffles Blvd, Raffles Ave, Nicoll Highway, Raffles Blvd, Temasek Blvd, Temasek Ave, Bayfront Ave, Central Blvd, Shenton Way, Keppel Rd, Telok Blangah Rd, Alexandra Rd, AYE, Buona Vista Flyover, AYE, Jurong Town Hall Rd, Jurong East Ctrl, Jurong Gateway Rd and Jurong East Interchange. |
| 2003 | Jurong East Interchange, Jurong East St 13, Jurong East Ctrl, Jurong Town Hall Rd, AYE, Buona Vista Flyover, AYE, Alexandra Rd, Telok Blangah Rd, Keppel Rd, Anson Rd, Robinson Rd, Collyer Quay, Fullerton Rd, Esplanade Dr, Nicoll Highway, Raffles Blvd, Temasek Blvd and Temasek Ave (Loop) | Raffles Ave, Esplanade Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way, Keppel Rd, Telok Blangah Rd, Alexandra Rd, AYE, Buona Vista Flyover, AYE, Jurong Town Hall Rd, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
| 1994 | Jurong East Interchange, Jurong East St 13, Jurong East Ctrl, Jurong Town Hall Rd, AYE, Buona Vista Flyover, AYE, Alexandra Rd, Telok Blangah Rd, Keppel Rd, Anson Rd, Robinson Rd, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Stamford Rd, Dhoby Ghaut, Selegie Rd, Serangoon Rd, Upp Serangoon Rd, Hougang Ave 2, Hougang Ave 10, Hougang Ctrl and Hougang Ctrl Interchange. | Hougang Ctrl Interchange, Hougang Ctrl, Hougang Ave 10, Hougang Ave 2, Upp Serangoon Rd, Bendemeer Rd, Jln Besar, Bencoolen St, Bras Basah Rd, Nicoll Highway, Connaught Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way, Keppel Rd, Telok Blangah Rd, Alexandra Rd, AYE, Buona Vista Flyover, AYE, Jurong Town Hall Rd, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
| 1988 | Jurong East Interchange, Jurong East St 13, Jurong East Ctrl, Jurong Town Hall Rd, AYE, Buona Vista Flyover, AYE, Alexandra Rd, Telok Blangah Rd, Keppel Rd, Anson Rd, Robinson Rd, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Stamford Rd, Dhoby Ghaut, Selegie Rd, Serangoon Rd, Upp Serangoon Rd, Hougang St 21 and Hougang Interchange. | Hougang Interchange, Hougang St 21, Upp Serangoon Rd, Bendemeer Rd, Jln Besar, Bencoolen St, Bras Basah Rd, Nicoll Highway, Connaught Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way, Keppel Rd, Telok Blangah Rd, Alexandra Rd, AYE, Buona Vista Flyover, AYE, Jurong Town Hall Rd, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
| 1985 | Jurong East Interchange, Jurong East St 13, Jurong East Ctrl, Jurong Town Hall Rd, Upp Ayer Rajah Rd, Clementi Rd, Pasir Panjang Rd, Telok Blangah Rd, Keppel Rd, Anson Rd, Robinson Rd, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Stamford Rd, Dhoby Ghaut, Selegie Rd, Serangoon Rd, Upp Serangoon Rd, Hougang St 21 and Hougang Interchange. | Hougang Interchange, Hougang St 21, Upp Serangoon Rd, Bendemeer Rd, Jln Besar, Bencoolen St, Bras Basah Rd, Nicoll Highway, Connaught Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way, Keppel Rd, Telok Blangah Rd, Pasir Panjang Rd, Clementi Rd, Upp Ayer Rajah Rd, Jurong Town Hall Rd, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
| 1983 (Dec) | Jurong East Terminal, Jurong East Ctrl, Jurong Town Hall Rd, Upp Ayer Rajah Rd, Clementi Rd, Pasir Panjang Rd, Telok Blangah Rd, Keppel Rd, Anson Rd, Robinson Rd, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd, Stamford Rd, Dhoby Ghaut, Selegie Rd, Serangoon Rd, Upp Serangoon Rd, Hougang St 21 and Hougang Interchange. | Hougang Interchange, Hougang St 21, Upp Serangoon Rd, Bendemeer Rd, Jln Besar, Bencoolen St, Bras Basah Rd, Nicoll Highway, Connaught Dr, Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way, Keppel Rd, Telok Blangah Rd, Pasir Panjang Rd, Clementi Rd, Upp Ayer Rajah Rd, Jurong Town Hall Rd, Jurong East Ctrl and Jurong East Terminal. |
| 1983 (Aug) | Jurong East Terminal, Jurong East Ctrl, Jurong Town Hall Rd, Upp Ayer Rajah Rd, Clementi Rd, Pasir Panjang Rd, Telok Blangah Rd, Keppel Rd, Anson Rd, Robinson Rd, Collyer Quay, Fullerton Rd, Empress Pl, St. Andrew’s Rd and Connaught Dr (Loop) | Fullerton Rd, Collyer Quay, Raffles Quay, Shenton Way, Keppel Rd, Telok Blangah Rd, Pasir Panjang Rd, Clementi Rd, Upp Ayer Rajah Rd, Jurong Town Hall Rd, Jurong East Ctrl and Jurong East Terminal. |
Tower Transit Bus Service 98 (since 1 Jan 1984)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2011 | Jurong East Interchange, Jurong Gateway Rd, Boon Lay Way, Jurong East Ctrl, Jurong East Ave 1, Jurong West Ave 1, Jurong West St 51, Boon Lay Way, Corporation Rd, Corporation Dr, Yung Ho Rd, Corporation Rd, Jurong Port Rd, Jln Tepong, Fishery Port Rd, Jln Buroh, Jurong Pier Rd and Jurong Pier Way (Loop) | Jurong Pier Rd, Jln Buroh, Jurong Port Rd, Jln Tepong, Fishery Port Rd, Jln Buroh, Jurong Port Rd, Corporation Rd, Yung Ho Rd, Corporation Dr, Corporation Rd, Boon Lay Way, Jurong West St 51, Jurong West Ave 1, Jurong East Ave 1, Jurong East Ctrl, Jurong Gateway Rd and Jurong East Interchange. |
| 2004 | Jurong East Interchange, Jurong East St 12, Boon Lay Way, Jurong East Ctrl, Jurong East Ave 1, Jurong West Ave 1, Jurong West St 51, Boon Lay Way, Corporation Rd, Corporation Dr, Yung Ho Rd, Corporation Rd, Jurong Port Rd, Jln Tepong, Fishery Port Rd, Jln Buroh, Jurong Pier Rd and Jurong Pier Way (Loop) | Jurong Pier Rd, Jln Buroh, Jurong Port Rd, Jln Tepong, Fishery Port Rd, Jln Buroh, Jurong Port Rd, Corporation Rd, Yung Ho Rd, Corporation Dr, Corporation Rd, Boon Lay Way, Jurong West St 51, Jurong West Ave 1, Jurong East Ave 1, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
| 1991 | Jurong East Interchange, Jurong East St 12, Boon Lay Way, Jurong East Ctrl, Jurong East Ave 1, Jurong West Ave 1, Jurong West St 51, Boon Lay Way, Corporation Rd, Corporation Dr, Yung Ho Rd, Corporation Rd, Jurong Port Rd, Jln Tepong, Fishery Port Rd, Jln Buroh and Jurong Pier Rd (Loop) | Jln Buroh, Jurong Port Rd, Jln Tepong, Fishery Port Rd, Jln Buroh, Jurong Port Rd, Corporation Rd, Yung Ho Rd, Corporation Dr, Corporation Rd, Boon Lay Way, Jurong West St 51, Jurong West Ave 1, Jurong East Ave 1, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
| 1990 | Jurong East Interchange, Jurong East St 12, Boon Lay Way, Jurong East Ctrl, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Corporation Dr, Yung Ho Rd, Corporation Rd and Jln Ahmad Ibrahim (Loop) | Yuan Ching Rd, Yung Ho Rd, Corporation Dr, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
| 1985 | Jurong East Interchange, Jurong East St 12, Boon Lay Way, Jurong East Ctrl, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Corporation Dr, Yung Ho Rd, Corporation Rd, Jurong Port Rd and Jurong Interchange (Loop) | Jurong Port Rd, Corporation Rd, Yung Ho Rd, Corporation Dr, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
| 1984 | Jurong East Terminal, Jurong East Ctrl, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Corporation Dr, Yung Ho Rd, Corporation Rd, Jurong Port Rd and Jurong Interchange (Loop) | Jurong Port Rd, Corporation Rd, Yung Ho Rd, Corporation Dr, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Jurong East Ctrl and Jurong East Terminal. |
Tower Transit Bus Service 98A (since 3 May 2011)
| Year | Route (PM Peak: One-Directional) |
| 2011 | Boon Lay Way, Corporation Rd, Corporation Dr, Yung Ho Rd and Corporation Rd (terminating at Corp Pl). |
Tower Transit Bus Service 98B (since 16 Apr 2012)
| Year | Route (AM Peak: One-Directional) |
| 2013 | Jurong West Ave 1, Jurong West St 51, Boon Lay Way, Corporation Rd, Corporation Dr, Yung Ho Rd, Corporation Rd, Jurong Port Rd, Jln Tepong, Fishery Port Rd, Jln Buroh, Jurong Pier Rd and Jurong Pier Way (terminating at Jurong Island Checkpt). |
| 2012 | Boon Lay Way, Corporation Rd, Corporation Dr, Yung Ho Rd, Corporation Rd, Jurong Port Rd, Jln Tepong, Fishery Port Rd, Jln Buroh, Jurong Pier Rd and Jurong Pier Way (terminating at Jurong Island Checkpt). |
Tower Transit Bus Service 98M (since 28 Jan 2008)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2011 | Jurong East Interchange, Jurong Gateway Rd, Boon Lay Way, Jurong East Ctrl, Jurong East Ave 1, Jurong West Ave 1, Jurong West St 51, Boon Lay Way, Corporation Rd, Corporation Dr, Yung Ho Rd and Corporation Rd (Loop) | Jln Ahmad Ibrahim, Yuan Ching Rd, Yung Ho Rd, Corporation Dr, Corporation Rd, Boon Lay Way, Jurong West St 51, Jurong West Ave 1, Jurong East Ave 1, Jurong East Ctrl, Jurong Gateway Rd and Jurong East Interchange. |
| 2008 | Jurong East Interchange, Jurong East St 12, Boon Lay Way, Jurong East Ctrl, Jurong East Ave 1, Jurong West Ave 1, Jurong West St 51, Boon Lay Way, Corporation Rd, Corporation Dr, Yung Ho Rd and Corporation Rd (Loop) | Jln Ahmad Ibrahim, Yuan Ching Rd, Yung Ho Rd, Corporation Dr, Corporation Rd, Boon Lay Way, Jurong West St 51, Jurong West Ave 1, Jurong East Ave 1, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
SBS Transit Bus Service 99 (since 16 Jun 1985)
| Year | Route | |
| Direction 1 | Direction 2 | |
| 2015 | Clementi Interchange, Clementi Ave 3, Commonwealth Ave West, Boon Lay Way, Jurong Town Hall Rd, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Boon Lay Dr, Boon Lay Pl, Boon Lay Ave, Jln Boon Lay, Jurong West Ave 4, Jurong West St 72, Jurong West Ave 5, Pioneer Rd Nth, Jurong West St 91, Jurong West St 93, Upp Jurong Rd, Benoi Rd, Joo Koon Circle and Joo Koon Interchange. | Joo Koon Interchange, Joo Koon Circle, Benoi Rd, Upp Jurong Rd, Jurong West St 93, Jurong West St 91, Pioneer Rd Nth, Jurong West Ave 5, Jurong West St 72, Jurong West Ave 4, Jln Boon Lay, Boon Lay Ave, Boon Lay Pl, Boon Lay Dr, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Jurong Town Hall Rd, Boon Lay Way, Commonwealth Ave West, Clementi Ave 3 and Clementi Interchange. |
| 1991 | Clementi Interchange, Clementi Ave 3, Commonwealth Ave West, Boon Lay Way, Jurong Town Hall Rd, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Boon Lay Dr, Boon Lay Pl, Boon Lay Ave, Jln Boon Lay, Jurong West Ave 4, Jurong West St 72, Jurong West Ave 5, Pioneer Rd Nth and Jurong West St 91 (Loop) | Jurong West St 92, Jurong West St 91, Pioneer Rd Nth, Jurong West Ave 5, Jurong West St 72, Jurong West Ave 4, Jln Boon Lay, Boon Lay Ave, Boon Lay Pl, Boon Lay Dr, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Jurong Town Hall Rd, Boon Lay Way, Commonwealth Ave West, Clementi Ave 3 and Clementi Interchange. |
| 1989 | Clementi Interchange, Clementi Ave 3, Commonwealth Ave West, Boon Lay Way, Jurong Town Hall Rd, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Boon Lay Dr, Boon Lay Pl, Boon Lay Ave, Jln Boon Lay, Upp Jurong Rd, Pioneer Rd Nth and Jurong West St 91 (Loop) | Jurong West St 92, Jurong West St 91, Pioneer Rd Nth, Upp Jurong Rd, Jln Boon Lay, Boon Lay Ave, Boon Lay Pl, Boon Lay Dr, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Jurong Town Hall Rd, Boon Lay Way, Commonwealth Ave West, Clementi Ave 3 and Clementi Interchange. |
| 1988 | Clementi Interchange, Clementi Ave 3, Commonwealth Ave West, Boon Lay Way, Jurong Town Hall Rd, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Boon Lay Dr, Boon Lay Pl, Boon Lay Ave, Boon Lay Dr, Boon Lay Way, Jln Boon Lay, Upp Jurong Rd, Pioneer Rd Nth and Jurong West St 91 (Loop) | Jurong West St 92, Jurong West St 91, Pioneer Rd Nth, Upp Jurong Rd, Jln Boon Lay, Boon Lay Ave, Boon Lay Pl, Boon Lay Dr, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Jurong Town Hall Rd, Boon Lay Way, Commonwealth Ave West, Clementi Ave 3 and Clementi Interchange. |
| 1985 | Jurong East Interchange, Jurong East St 13, Jurong East Ctrl, Boon Lay Way, Jurong Town Hall Rd, Jurong East Ave 1, Jurong West Ave 1, Corporation Rd, Boon Lay Dr, Boon Lay Pl and Boon Lay Ave (Loop) | Boon Lay Dr, Corporation Rd, Jurong West Ave 1, Jurong East Ave 1, Jurong Town Hall Rd, Boon Lay Way, Jurong East Ctrl, Jurong East St 13 and Jurong East Interchange. |
External Links & References:
- SBS Bus Guides 1980 – 1990/1991
- TransitLink Guides 1992 – 2014
- Transitlink eGuide
- SGWiki – History of Bus Services