This article covers the chronological history of defunct basic* bus services, which is exported from the History of Bus Services page on SGWiki Buses.
Due to the ongoing revamp to SGWiki Buses, selected bus service history information has been exported to this article to preserve them, in the event that they may be removed by their moderators in the process.
For more detailed route information for selected defunct bus services, you may also refer to the following articles, which are currently under construction:
- Defunct Bus Services (1980 – 1994) – for basic* bus services discontinued between 1980 & 1994
- Defunct Bus Services (1995 – 2009) – for basic* bus services discontinued between 1995 & 2009
- Withdrawn Bus Services – for bus services discontinued since 2010
*Basic bus services refer to trunk, feeder, Express & City Direct routes run by public bus operators in Singapore.
For discontinued non-basic bus services (including those withdrawn before 2010), you may refer to their respective articles that provide more details on their background and operational periods:
- City Shuttle Services (1975 – 2007)
- SBS Blue Arrow Services (1975 – 1989)
- TIBS/SMRT NightRider Services (2000 – 2020)
- SBS/SBST Nite Owl Services (2000 – 2020)
- SMRT NightBus Services (2000 – 2003)
- SBST CityBuzz Services (2004 – 2006)
- SBST Chinatown Direct Services (2005 – 2020)
- SBST Parks Services (2005 – 2016)
- SBST Stadium Direct Services (2005 – 2010)
- SBST/SMRT Premium Services (2007 – 2017)
- SBST CityShopper Services (2007 – 2009)
- SBST/SMRT On Demand Public Bus (2018 – 2019)
Service 74e (2006 – 2022)
Refer to this article.
Service 147e (2018 – 2020)
Refer to this article.
Service 151e (2006 – 2022)
Refer to this article.
Service 167e (2018 – 2020)
Refer to this article.
Service 188R (2010 – 2020)
Refer to this article.
Service 501 (1997 – 2003)
| Operator | Year | Date | Service changes |
|---|---|---|---|
 |
1997 | 5 May | Introduced between Hougang Ctrl Int and Penang Rd (AM Peak) and between Anson Rd and Hougang Ctrl Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays. |
| 22 December | Converted to a day service on weekdays and Saturdays, looping at Penang Rd. | ||
| 2000 | 10 September | Extended to Sengkang Ter. | |
| 2001 | 28 April | Amended to Sengkang Temp Int. | |
 |
2003 | 18 January | Amended to Sengkang Integrated Transport Hub. |
| 27 July | Discontinued under North East MRT Line Rationalisation Phase 2. |
Service 501X (1997 – 2003)
| Operator | Year | Date | Service changes |
|---|---|---|---|
|
1997 | 22 December | Introduced between Hougang Ctrl Int and Temasek Ave (Loop) as an alternate route of Service 501, operating during off peak periods on weekdays and Saturdays and throughout the day on Sundays and Public Holidays. |
| 2000 | 10 September | Extended to Sengkang Ter. | |
| 2001 | 28 April | Amended to Sengkang Temp Int. | |
|
2003 | 18 January | Amended to Sengkang Integrated Transport Hub. |
| 27 July | Discontinued under North East MRT Line Rationalisation Phase 2. |
Service 502B (2005 – 2010)
Refer to this article.
Service 503 (1997 – 1999)
| Operator | Year | Date | Service changes |
|---|---|---|---|
|
1997 | 5 May | Introduced between Tampines Int and Temasek Ave (Opp Centennial Twr) during morning peak hours and between Anson Rd (Apex Twr) and Tampines Int during evening peak hours as a peak hour one-directional service on weekdays and Saturdays. |
| 1999 | 30 August | Extended to start from Pasir Ris Int, extended to loop at Telok Blangah Rd, converted to full day service and re-numbered Service 505. |
Service 505 (1999 – 2000)
| Operator | Year | Date | Service changes |
|---|---|---|---|
|
1999 | 30 August | Re-numbered from Service 503 as a service between Pasir Ris Int and Telok Blangah Rd (Loop), operating daily. |
| 2000 | 10 September | Shortened to loop at Temasek Ave and re-numbered Service 518. |
Service 507 (1999 – 2004)
| Operator | Year | Date | Service changes |
|---|---|---|---|
|
1999 | 30 August | Introduced between Boon Lay Int and Shenton Way (Opp Temasek Twr) during morning peak hours and between Anson Rd (Intl Plaza) and Boon Lay Int during evening peak hours as a peak hour one-directional service on weekdays and Saturdays. |
|
2004 | 22 August | Discontinued. |
Service 508 (1999 – 2000)
| Operator | Year | Date | Service changes |
|---|---|---|---|
|
1999 | 30 August | Introduced between Sengkang Ter and Penang Rd (Park Mall) during morning peak hours and between Anson Rd (Apex Twr) and Sengkang Ter during evening peak hours as a peak hour one-directional service on weekdays and Saturdays. |
| 22 November | Serves an additional bus stop outside Outram Pk Stn along Outram Rd and 2 additional bus stops opposite Maritime Hse and outside Southpoint along Cantonment Rd during morning peak hours. | ||
| Extended to start from Outram Rd (Outram Pk Stn) during evening peak hours. | |||
| 2000 | 11 September | Shortened to Hougang Ctrl Temp Ter and re-numbered Service 511. |
Service 511 (2000 – 2003)
| Operator | Year | Date | Service changes |
|---|---|---|---|
|
2000 | 11 September | Re-numbered from Service 508 as a peak-hour one-directional service between Hougang Ctrl Temp Ter and Penang Rd (Park Mall) during morning peak hours and between Outram Rd (Outram Pk Stn) and Hougang Ctrl Temp Ter during evening peak hours on weekdays and Saturdays. |
|
2003 | 27 July | Discontinued under North East MRT Line Rationalisation Phase 2. |
Service 512 (2000 – 2003)
| Operator | Year | Date | Service changes |
|---|---|---|---|
|
2000 | 11 September | Introduced between Hougang Ctrl Temp Ter and Orchard Rd (Le Meridien Shop Ctr) during morning peak hours and between Moulmein Rd (Opp Tan Tock Seng Hosp) and Hougang Ctrl Temp Ter during evening peak hours as a peak hour one-directional service on weekdays and Saturdays. |
|
2002 | 7 July | Skips the bus stop outside Orchard Emerald along Orchard Rd. |
| 2003 | 27 July | Discontinued under North East MRT Line Rationalisation Phase 2. |
Service 518B (2005 – 2010)
Refer to this article.
Service 520 (1997 – 2003)
| Operator | Year | Date | Service changes |
|---|---|---|---|
 |
1997 | 5 May | Introduced between Yishun Int and Outram Rd (Opp Outram Pk Stn) during morning peak hours and between New Bridge Rd Ter and Yishun Int during evening peak hours as a peak hour one-directional service on weekdays and Saturdays. |
| 7 December | Amended to ply Upp Pickering St, Sth Bridge Rd, Neil Rd and Cantonment Rd with the partial closure of New Bridge Rd to facilitate the construction of Chinatown MRT station on the North East MRT Line. | ||
| 2002 | 20 April | Amended to ply the reinstated New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd, Neil Rd and Cantonment Rd. | |
| TBC | Serves bus stop outside Blk 923 along Yishun Ave 2, skipping the bus stop outside Northpoint Shop Ctr. | ||
| 2003 | 24 August | Discontinued. |
Service 521 (1999 – 2002)
| Operator | Year | Date | Service changes |
|---|---|---|---|
|
1999 | 1 September | Introduced between Bt Panjang Ter and World Trade Ctr Ter, operating daily. |
| 26 December | Amended to Bt Panjang Int. | ||
| 2000 | TBC | Serves additional pair of bus stops outside and opposite ITE Dover along AYE. | |
| 2002 | 29 September | Extended to Woodlands Reg Int, amended to ply Bt Batok East Ave 4, converted to trunk service and re-numbered Service 963. |
Service 963R (2010 – 2020)
Refer to this article.
Service 971E (2011 – 2020)
Refer to this article.
External Links & References:
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