View source for History of Services 40 - 49

==Service 40==
{| class="wikitable" style='text-align:center'
!style='{{CSS/BUS|xfc=|xbc=}}'|Operator
!style='{{CSS/BUS|xfc=|xbc=}}'|Route
!style='{{CSS/BUS|xfc=|xbc=}}'|Year
!style='{{CSS/BUS|xfc=|xbc=}}'|Date
!style='{{CSS/BUS|xfc=|xbc=}}'|Service changes
|-
|{{SGTC}}
|rowspan=2|Telok Kurau Rd ↔ Prince Edward
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Telok Kurau Rd Ter and Prince Edward Ter under 1971 Bus Reorganisation.
|-
|{{UBC}}
|'''6 December'''
|style='text-align:left'|Operations transferred to United Bus Company.
|-
|rowspan=21|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001.''
|rowspan=2|Chai Chee ↔ Prince Edward
|rowspan=2|'''1973'''
|rowspan=2|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|style='text-align:left'|Extended to Chai Chee Ter.
|-
|rowspan=2|Upp Changi Rd Track 6 ↔ Prince Edward
|rowspan=2|'''1974'''
|'''1 December'''
|style='text-align:left'|Extended to Upp Changi Rd Track 6 Ter.
|-
|'''8 December'''
|style='text-align:left'|Amended to ply the extended Robinson Rd, skipping Market St.
|-
|rowspan=3|Chai Chee ↔ Prince Edward
|'''1975'''
|'''16 November'''
|style='text-align:left'|Amended to Chai Chee Ter.
|-
|rowspan=2|'''1976'''
|'''15 February'''
|style='text-align:left'|Serves new staggered bus stop outside Overseas Union Finance along Robinson Rd.
|-
|'''14 March'''
|style='text-align:left'|Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
|-
|{{Bus/D|AM|style=border:1px solid|note=Chai Chee → Prince Edward}}{{Bus/D|PM|style=border:1px solid|note=Prince Edward → Chai Chee}}
|'''1977'''
|'''11 April'''
|style='text-align:left'|Converted to peak hour one-directional service from Chai Chee Ter to Prince Edward Ter during morning peak hours, and from Prince Edward Ter to Chai Chee Ter during evening peak hours on weekdays and Saturdays.
|-
|rowspan=3|Chai Chee ↔ Prince Edward
|'''1978'''
|'''1 June'''
|style='text-align:left'|Reverted to daily full day service with the discontinuation of Service 42.
|-
|rowspan=2|'''1979'''
|'''11 February'''
|style='text-align:left'|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
|-
|'''14 October'''
|style='text-align:left'|Amended to ply Lor Sarina and Sims Ave East towards Chai Chee Ter with the conversion of Changi Rd to one-way traffic.
|-
|Chai Chee ↺ Merpati Rd
|'''1984'''
|'''10 June'''
|style='text-align:left'|Shortened to loop at Merpati Rd from Chai Chee Ter.
|-
|rowspan=9|Bedok ↺ Merpati Rd
|'''1985'''
|'''8 September'''
|style='text-align:left'|Extended to Bedok Int with the closure of Chai Chee Ter.
|-
|'''1992'''
|'''3 May'''
|style='text-align:left'|Amended to ply Siglap Rd under TransitLink Network Integration Exercise Phase 7, skipping Telok Kurau Rd and Sims Ave East/Changi Rd.
|-
|'''1998'''
|rowspan=2 {{TBC}}
|style='text-align:left'|Serves new bus stop after Geylang Rd along Aljunied Rd.
|-
|'''2003'''
|style='text-align:left'|Serves new bus stop outside Shell Kiosk along Tg Katong Rd.
|-
|rowspan=2|'''2011'''
|'''26 June'''
|style='text-align:left'|Serves new staggered bus stop outside Kong Hwa Sch along Circuit Rd, skipping the bus stop outside MacPherson Sec Sch.
|-
|'''19 November'''
|style='text-align:left'|Amended to Bedok Temp Int.
|-
|'''2013'''
|'''3 December'''
|style='text-align:left'|{{DWAB}}
|-
|'''2014'''
|'''30 November'''
|style='text-align:left'|Amended to Bedok Integrated Transport Hub.
|-
|'''2016'''
|'''16 October'''
|style='text-align:left'|Serves bus stop outside MacPherson Sec Sch along Circuit Rd with the abolition of the bus stop outside Kong Hwa Sch.
|}

==Service 41==
===1<sup>st</sup> Generation (1971 - 1991)===
{| class="wikitable" style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|{{ABC}}
|Telok Kurau Rd ↔ Redhill
|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Telok Kurau Rd Ter and Redhill Cl Ter under 1971 Bus Reorganisation.
|-
|rowspan=15|{{SBS}}
|rowspan=7|Chai Chee ↔ Redhill
|rowspan=2|'''1973'''
|rowspan=2|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|style='text-align:left'|Extended to Chai Chee Ter.
|-
|'''1974'''
|'''3 February'''
|style='text-align:left'|Amended to ply Still Rd, skipping Telok Kurau Rd under 1974 Bus Rationalisation.
|-
|rowspan=2|'''1975'''
|'''2 February'''
|style='text-align:left'|Amended to ply new slip road from Tiong Bahru Rd to Outram Rd with the conversion of Seng Poh Rd to one-way traffic.
|-
|'''2 March'''
|style='text-align:left'|Amended to ply Sims Ave and Lor 1 Geylang towards Chai Chee Ter with the conversion of Geylang Rd to one-way traffic.
|-
|rowspan=2|'''1976'''
|'''18 April'''
|style='text-align:left'|Amended to ply Bedok Sth Rd, Bedok Sth Ave 1, Marine Parade Rd and Amber Rd, skipping Changi Rd, Still Rd and East Coast Rd.
|-
|'''30 December'''
|style='text-align:left'|Amended to ply Paya Lebar Rd, Sims Ave and the extended Tg Katong Rd towards Chai Chee Ter.
|-
|Bedok ↔ Redhill
|rowspan=2|'''1985'''
|'''7 April'''
|style='text-align:left'|Amended to Bedok Int.
|-
|rowspan=7|Bedok ↔ Bukit Merah
|'''15 September'''
|style='text-align:left'|Integrated with Service 44 and extended to Bt Merah Int.
|-
|rowspan=3|'''1987'''
|'''6 April'''
|style='text-align:left'|Skips removed bus stop before College Rd along Outram Rd.
|-
|'''27 September'''
|style='text-align:left'|Amended to ply the extended Eu Tong Sen St towards Bedok Int to facilitate the first stage of road expansion along New Bridge Rd.
|-
|'''1 November'''
|style='text-align:left'|Amended to ply Eu Tong Sen St to facilitate the second stage of road expansion along New Bridge Rd.
|-
|'''1988'''
|'''20 March'''
|style='text-align:left'|Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
|-
|'''1990'''
|'''22 July'''
|style='text-align:left'|Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
|-
|'''1991'''
|'''7 April'''
|style='text-align:left'|Integrated with Service 197 and discontinued under TransitLink Network Integration Exercise Phase 3.
|}

===2<sup>nd</sup> Generation (since 2014)===
{| class='wikitable' style='text-align:center;'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=2|{{SBST}}
|rowspan=4|Jurong East ↺ Jln Anak Bt
|'''2014'''
|'''14 December'''
|style='text-align:left'|Introduced between Jurong East Temp Int and Jln Anak Bt (Loop) under LTA's Bus Service Enhancement Programme (BSEP), operating between 0545 hrs and 2345 hrs daily.<ref>[//www.sbstransit.com.sg/news/new-services-41-and-140-from-14-december-2014-and-route-extension-of-service-35-from-15-december-2014 "New Services 41 and 140 from 14 December 2014 and route extension of Service 35 from 15 December 2014"] SBS Transit, 2 December 2014</ref>
|-
|'''2015'''
|'''30 March'''
|style='text-align:left'|{{DWAB}}<ref>[//www.sbstransit.com.sg/news/sbs-transit-to-roll-out-another-six-wheelchair-accessible-bus-services "SBS Transit To Roll Out Another Six Wheelchair-Accessible Bus Services"] SBS Transit, 23 March 2015</ref>
|-
|rowspan=2|{{TTS}}<br>'''(Current)'''
|'''2016'''
|'''26 June'''
|style='text-align:left'|Operations transferred to Tower Transit Singapore.
|-
|'''2020'''
|'''6 December'''
|style='text-align:left'|Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.
|}

==Service 41A==
{| class="wikitable" style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|{{ABC}}
|Joo Chiat Pl ↔ Redhill
|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Joo Chiat Pl Ter and Redhill Cl Ter under 1971 Bus Reorganisation.
|-
|rowspan=3|{{SBS}}
|rowspan=3|Chai Chee ↔ Redhill
|rowspan=2|'''1973'''
|rowspan=2|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|style='text-align:left'|Extended to Chai Chee Ter.
|-
|'''1974'''
|'''3 February'''
|style='text-align:left'|Re-numbered Service 44 under 1974 Bus Rationalisation.
|}

==Service 42==
===1<sup>st</sup> Generation (1971 - 1978)===
{| class="wikitable" style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|{{SGTC}}
|rowspan=3|Telok Kurau Rd ↔ Intl Rd
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Telok Kurau Rd Ter and Intl Rd Ter under 1971 Bus Reorganisation.
|-
|rowspan=2|{{ABS}}
|'''6 December'''
|style='text-align:left'|Operations transferred to Associated Bus Services.
|-
|'''1972'''
|'''24 December'''
|style='text-align:left'|Extended to relocated Intl Rd Ter (near Fourth Lok Yang Rd).
|-
|rowspan=6|{{SBS}}
|rowspan=6|Chai Chee ↔ Intl Rd
|rowspan=2|'''1973'''
|rowspan=2|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|style='text-align:left'|Extended to Chai Chee Ter.
|-
|'''1974'''
|'''8 December'''
|style='text-align:left'|Amended to ply the extended Robinson Rd, skipping Market St.
|-
|rowspan=2|'''1976'''
|'''15 February'''
|style='text-align:left'|Serves new staggered bus stop outside Overseas Union Finance along Robinson Rd.
|-
|'''30 December'''
|style='text-align:left'|Amended to ply Paya Lebar Rd, Sims Ave and the extended Tg Katong Rd towards Chai Chee Ter.
|-
|'''1978'''
|'''1 June'''
|style='text-align:left'|Discontinued.
|}

===2<sup>nd</sup> Generation (since 1997)===
{| class="wikitable" style='text-align:center'
|-
!style='{{CSS/BUS|xfc=|xbc=}}'|Operator
!style='{{CSS/BUS|xfc=|xbc=}}'|Route
!style='{{CSS/BUS|xfc=|xbc=}}'|Year
!style='{{CSS/BUS|xfc=|xbc=}}'|Date
!style='{{CSS/BUS|xfc=|xbc=}}'|Service changes
|-
|rowspan=3|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
|rowspan=3|Jln Kembangan ↺ Fidelio St
|'''1997'''
|'''1 December'''
|style='text-align:left'|Re-numbered from Service M2 as a service between Jln Kembangan (Kembangan Stn) and Fidelio St (Loop).
|-
|'''2014'''
|'''29 September'''
|style='text-align:left'|{{DWAB}}
|-
|'''2023'''
|'''27 November'''
|style='text-align:left'|Last bus extended to 2400 hrs daily.
|}

==Service 43==
===1<sup>st</sup> Generation (1971 - 1975)===
{| class="wikitable" style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|{{SGTC}}
|rowspan=2|Telok Kurau Rd ↔ Prince Edward
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Telok Kurau Rd Ter and Prince Edward Ter under 1971 Bus Reorganisation.
|-
|rowspan=3|{{ABS}}
|'''6 December'''
|style='text-align:left'|Operations transferred to Associated Bus Services.
|-
|rowspan=2|Telok Kurau Rd ↔ Benoi Rd
|rowspan=2|'''1972'''
|rowspan=2|'''24 December'''
|style='text-align:left'|Extended to Benoi Rd Ter.
|-
|style='text-align:left'|Amended to ply Corporation Rd, Yung Ho Rd, Corporation Dr and Corporation Rd during off peak hours daily.
|-
|rowspan=5|{{SBS}}
|rowspan=2|Chai Chee ↔ Benoi Rd
|rowspan=2|'''1973'''
|rowspan=2|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|style='text-align:left'|Extended to Chai Chee Ter.
|-
|rowspan=3|Prince Edward ↺ Kallang Pk/Natl Stadium
|rowspan=2|'''1974'''
|'''3 February'''
|style='text-align:left'|Shortened to start from Prince Edward Ter, shortened to loop at Kallang Pk and converted to peak hour service on weekdays and Saturdays only under 1974 Bus Rationalisation.
|-
|'''8 December'''
|style='text-align:left'|Amended to ply the extended Robinson Rd, skipping Market St.
|-
|'''1975'''
|'''8 June'''
|style='text-align:left'|Discontinued.
|}

===2<sup>nd</sup> Generation (since 2005)===
{| class="wikitable" style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=10|{{SBST}}
|rowspan=5|Punggol ↔ Upp East Coast
|'''2005'''
|'''23 October'''
|style='text-align:left'|Introduced between Punggol Int and Upp East Coast Ter, operating between 0545 hrs and 2345 hrs from Punggol Int and Upp East Coast Ter daily.
|-
|'''2006'''
|{{TBC}}
|style='text-align:left'|Serves additional bus stop outside Victoria Sch along Marine Parade Rd.
|-
|'''2009'''
|'''23 August'''
|style='text-align:left'|Amended to ply the reinstated Paya Lebar Rd, skipping Eunos Ave 5 and Eunos Rd 8.
|-
|'''2010'''
|'''18 October'''
|style='text-align:left'|{{DWAB}}
|-
|'''2011'''
|'''17 December'''
|style='text-align:left'|Serves new pair of bus stops outside Soo Teck Stn along Punggol Way.
|-
|rowspan=2|{{Bus/D|43|note=Punggol ↔ Upp East Coast}}{{Bus/D|43A|PAST|note=Buangkok Green → Serangoon Ctrl}}
|'''2012'''
|'''23 July'''
|style='text-align:left'|{{Bus/D|43A|PAST|note=Introduced from Buangkok Green (Blk 565) to Serangoon Ctrl (Serangoon Stn) during morning peak hours on weekdays. {{LWAB}}}}
|-
|'''2013'''
|'''22 September'''
|style='text-align:left'|Serves new bus stop outside Wisma AUPE along Upp Paya Lebar Rd.
|-
|rowspan=7|Punggol ↔ Upp East Coast
|rowspan=2|'''2014'''
|'''16 November'''
|{{Bus/D|43A|PAST|note=Discontinued with the introduction of Service 43M.}}
|-
|'''7 December'''
|style='text-align:left'|Serves new pair of bus stops before Blk 264 and outside Blk 264A along Punggol Ctrl.
|-
|'''2015'''
|'''30 August'''
|style='text-align:left'|Serves new pair of bus stops outside Twin Waterfalls and after TPE along Punggol Way.
|-
|rowspan=4|{{GAS}}<br>'''(Current)'''
|rowspan=3|'''2016'''
|rowspan=2|'''4 September'''
|style='text-align:left'|Operations transferred to Go-Ahead Singapore.
|-
|style='text-align:left'|First bus from Upp East Coast Ter brought forward to 0525 hrs on weekdays.
|-
|'''13 November'''
|style='text-align:left'|Serves new pair of bus stops opposite Blk 293D and outside Blk 286B along Sengkang East Rd.
|-
|'''2017'''
|'''26 November'''
|style='text-align:left'|Serves additional bus stop outside Punggol Stn/Int along Punggol Ctrl.
|}

==Service 43M==
{| class="wikitable" style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=4|{{SBST}}
|rowspan=7|Punggol ↺ Serangoon Ctrl
|rowspan=2|'''2014'''
|'''16 November'''
|style='text-align:left'|Introduced between Punggol Int and Serangoon Ctrl (Loop) under the LTA's Bus Service Enhancement Programme (BSEP). {{LWAB}}
|-
|'''7 December'''
|style='text-align:left'|Serves new pair of bus stops before Blk 264 and outside Blk 264A along Punggol Ctrl.
|-
|'''2015'''
|'''30 August'''
|style='text-align:left'|Serves new pair of bus stops outside Twin Waterfalls and after TPE along Punggol Way.
|-
|rowspan=3|'''2016'''
|'''24 January'''
|style='text-align:left'|Serves additional bus stop outside Serangoon Stadium along Boundary Rd.
|-
|rowspan=3|{{GAS}}<br>'''(Current)'''
|'''4 September'''
|style='text-align:left'|Operations transferred to Go-Ahead Singapore.
|-
|'''13 November'''
|style='text-align:left'|Serves new pair of bus stops opposite Blk 293D and outside Blk 286B along Sengkang East Rd.
|-
|'''2017'''
|'''26 November'''
|style='text-align:left'|Serves additional bus stop outside Punggol Stn/Int along Punggol Ctrl.
|}

==Service 44==
===1<sup>st</sup> Generation (1971)===
{| class="wikitable" style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|{{ABC}}
|rowspan=2|Telok Kurau Rd ↔ Delta Circus
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Telok Kurau Rd Ter and Delta Circus Ter under 1971 Bus Reorganisation.
|-
|'''2 May'''
|style='text-align:left'|Discontinued.
|}

===2<sup>nd</sup> Generation (1974 - 1985)===
{| class="wikitable" style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=7|{{SBS}}
|rowspan=5|Chai Chee ↔ Redhill
|'''1974'''
|'''3 February'''
|style='text-align:left'|Re-numbered from Service 41A as a service between Chai Chee Ter and Redhill Cl Ter.
|-
|rowspan=2|'''1975'''
|'''2 February'''
|style='text-align:left'|Amended to ply new slip road from Tiong Bahru Rd to Outram Rd with the conversion of Seng Poh Rd to one-way traffic.
|-
|'''2 March'''
|style='text-align:left'|Amended to ply Sims Ave and Lor 1 Geylang towards Chai Chee Ter with the conversion of Geylang Rd to one-way traffic.
|-
|rowspan=2|'''1979'''
|'''14 October'''
|style='text-align:left'|Amended to ply Still Rd and Sims Ave East towards Chai Chee Ter with the conversion of Changi Rd to one-way traffic, skipping Telok Kurau Rd.
|-
|'''14 November'''
|style='text-align:left'|Amended to ply Telok Kurau Rd, skipping Still Rd.
|-
|rowspan=2|Chai Chee ↔ Bukit Merah
|'''1981'''
|'''15 November'''
|style='text-align:left'|Integrated with Service 63 and extended to Bt Merah Int.
|-
|'''1985'''
|'''15 September'''
|style='text-align:left'|Integrated with Service 33 and discontinued with the closure of Chai Chee Ter.
|}

==Service 45==
===1<sup>st</sup> Generation (1971 - 1984)===
{| class="wikitable" style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|{{ABS}}
|Kallang Pk ↺ Haig Rd
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Kallang Pk Ter and Haig Rd (Loop) under 1971 Bus Reorganisation.
|-
|rowspan=2|Kallang Pk ↺ Kreta Ayer Rd
|'''9 May'''
|style='text-align:left'|Extended to loop at Kreta Ayer Rd.
|-
|rowspan=4|{{SBS}}
|'''1973'''
|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|rowspan=3|Chai Chee ↺ Tg Rhu Rd
|'''1974'''
|'''3 February'''
|style='text-align:left'|Amended to start from Chai Chee Ter and shortened to loop at Tg Rhu Rd under 1974 Bus Rationalisation.
|-
|'''1979'''
|'''14 October'''
|style='text-align:left'|Amended to ply Still Rd and Sims Ave East towards Chai Chee Ter with the conversion of Changi Rd to one-way traffic.
|-
|'''1984'''
|'''27 May'''
|style='text-align:left'|Discontinued.
|}

===2<sup>nd</sup> Generation (since 2006)===
{| class="wikitable" style='text-align:center'
|-
!style='{{CSS/BUS|xfc=|xbc=}}'|Operator
!style='{{CSS/BUS|xfc=|xbc=}}'|Route
!style='{{CSS/BUS|xfc=|xbc=}}'|Year
!style='{{CSS/BUS|xfc=|xbc=}}'|Date
!style='{{CSS/BUS|xfc=|xbc=}}'|Service changes
|-
|rowspan=5|{{SBST}}<br>'''(Current)'''
|rowspan=2|Upp East Coast ↔ Ang Mo Kio Depot
|'''2006'''
|'''26 December'''
|style='text-align:left'|Introduced between Upp East Coast Ter and Ang Mo Kio Depot, operating between 0600 hrs and 2330 hrs from Upp East Coast Ter and Ang Mo Kio Depot daily.
|-
|rowspan=3|'''2010'''
|'''13 February'''
|style='text-align:left'|Serves new pair of bus stops outside and opposite Blk 220 CP along Bedok Nth Ave 3.
|-
|rowspan=2|{{Bus/D|45|BUS|note=Upp East Coast ↔ Ang Mo Kio Depot}}{{Bus/D|45A|BUS|note=Lor Ah Soo → Upp Serangoon Rd}}
|rowspan=2|'''28 June'''
|style='text-align:left'|{{DWAB}}
|-
|style='text-align:left'|{{Bus/D|45A|BUS|note=Introduced from Lor Ah Soo (Opp Blk 115) to Upp Serangoon Rd (Serangoon Stn) during morning peak hours on weekdays. {{LWAB}}}}
|-
|{{Bus/D|45|BUS|note=Upp East Coast ↔ Ang Mo Kio St 63}}{{Bus/D|45A|BUS|note=Lor Ah Soo → Upp Serangoon Rd}}
|'''2025'''
|'''4 January'''
|style='text-align:left'|Shorten to start and terminate at bus stops outside Ang Mo Kio Depot after the closure of SBS Transit Ang Mo Kio Depot.
|}

==Service 46==
===1<sup>st</sup> Generation (1971 - 1975)===
{| class="wikitable" style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|{{ABS}}
|rowspan=4|Tg Rhu Ter ↺ Kreta Ayer Rd
|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Tg Rhu Ter and Kreta Ayer Rd (Loop) under 1971 Bus Reorganisation.
|-
|rowspan=3|{{SBS}}
|'''1973'''
|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|'''1974'''
|'''8 December'''
|style='text-align:left'|Amended to ply the extended Robinson Rd, skipping Market St.
|-
|'''1975'''
|'''22 June'''
|style='text-align:left'|Discontinued.
|}

===2<sup>nd</sup> Generation (1978 - 1981)===
{| class="wikitable" style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|{{SBS}}
|rowspan=2|Geylang Fringe Car Pk ↺ Stadium Wk
|'''1978'''
|'''1 April'''
|style='text-align:left'|Introduced between Geylang Fringe Car Pk and Stadium Wk (Loop).
|-
|'''1981'''
|'''11 November'''
|style='text-align:left'|Discontinued.
|}

===3<sup>rd</sup> Generation (since 2016)===
{| class="wikitable" style='text-align:center'
|-
!style='{{CSS/BUS|xfc=|xbc=}}'|Operator
!style='{{CSS/BUS|xfc=|xbc=}}'|Route
!style='{{CSS/BUS|xfc=|xbc=}}'|Year
!style='{{CSS/BUS|xfc=|xbc=}}'|Date
!style='{{CSS/BUS|xfc=|xbc=}}'|Service changes
|-
|rowspan=5|{{SBST}}<br>'''(Current)'''
|rowspan=3|Upp East Coast ↔ Tampines
|'''2016'''
|'''12 June'''
|style='text-align:left'|Introduced between Upp East Coast Ter and Tampines Int under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0600 hrs and 2330 hrs daily from Upp East Coast Ter and between 0600 hrs and 2345 hrs daily from Tampines Int.
|-
|rowspan=2|'''2017'''
|'''21 August'''
|style='text-align:left'|{{DWAB}}
|-
|'''24 December'''
|style='text-align:left'|Amended to ply Tampines Ctrl 8 and Tampines Concourse towards Tampines Int.
|-
|rowspan=2|Upp East Coast ↔ Pasir Ris
|'''2022'''
|'''30 October'''
|style='text-align:left'|Extended to Pasir Ris Int.
|-
|'''2025'''
|'''27 April'''
|style='text-align:left'|Amended to Pasir Ris Integrated Transport Hub.
|}

==Service 47==
{| class="wikitable" style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|{{SBST}}<br>'''(Current)'''
|Changi Business Pk ↺ Amber Rd
|'''2015'''
|'''20 December'''
|style='text-align:left'|Introduced between Changi Business Pk Ter and Amber Rd (Loop) under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0600 hrs and 2345 hrs daily. {{LWAB}}<ref>[//www.sbstransit.com.sg/news/new-services-47-117-and-118 "New Services 47, 117 and 118"] SBS Transit, 9 December 2015</ref>
|}

==Service 48==
{| class="wikitable" style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=12|{{SBST}}<br>'''(Current)'''
|rowspan=5|Upp East Coast ↔ Buona Vista
|rowspan=2|'''2005'''
|'''3 July'''
|style='text-align:left'|Introduced between Upp East Coast Ter and Buona Vista Ter, operating between 0545 hrs and 2345 hrs from Upp East Coast Ter daily, and between 0600 hrs and 2400 hrs from Buona Vista Ter daily.
|-
|'''2 October'''
|style='text-align:left'|Serves new bus stop outside New 7th Storey Hotel along Rochor Rd and new bus stop near Bali Lane along Ophir Rd.
|-
|'''2006'''
|{{TBC}}
|style='text-align:left'|Serves additional bus stop outside Victoria Sch along Marine Parade Rd.
|-
|'''2010'''
|'''28 June'''
|style='text-align:left'|{{DWAB}}
|-
|rowspan=2|'''2011'''
|'''4 September'''
|style='text-align:left'|Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd.
|-
|rowspan=7|Bedok North Depot ↔ Buona Vista
|'''11 December'''
|style='text-align:left'|Extended to Bedok Nth Depot.
|-
|'''2013'''
|'''28 July'''
|style='text-align:left'|Serves new pair of bus stops outside One Amber and outside Tg Katong Rd Sth Playground along Tg Katong Rd Sth.
|-
|'''2018'''
|'''28 October'''
|style='text-align:left'|Skips bus stop before Winstedt Rd along Bt Timah Rd with the relocation of the bus stop outside Newton FC.
|-
|'''2019'''
|'''24 February'''
|style='text-align:left'|Serves reinstated bus stop before Winstedt Rd along Bt Timah Rd outside Newton FC.
|-
|rowspan=3|'''2025'''
|'''26 July'''
|style='text-align:left'|Amended to ply Still Rd Sth towards Buona Vista, skipping part of Marine Parade Rd and Mountbatten Rd. Amended to ply Fort Rd and Mountbatten Rd towards Bedok North Depot to facilitate reinstatement works for the collapsed Tg Katong Rd Sth.
|-
|'''2 August'''
|style='text-align:left'|Amended to ply reinstated Tanjong Kg Rd Sth towards Bedok North Depot, skipping Fort Rd and Mountbatten Rd.
|-
|'''4 August'''
|style='text-align:left'|Amended to ply reinstated Tanjong Kg Rd Sth towards Buona Vista, skipping Still Rd Sth.
|}

==Service 49==
{| class='wikitable' style='text-align:center;'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=4|{{SBST}}
|rowspan=3|Taman Jurong ↺ Jurong West St 42
|'''2013'''
|'''14 December'''
|style='text-align:left'|Introduced between Taman Jurong Ter and Jurong West St 42 (Loop) under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0600 hrs and 2330 hrs daily.
|-
|rowspan=2|'''2014'''
|'''23 March'''
|style='text-align:left'|{{DWAB}}
|-
|'''9 November'''
|style='text-align:left'|Amended to ply Corporation Dr, Yung Ho Rd and Yuan Ching Rd in both directions.
|-
|rowspan=4|Jurong East ↺ Jurong West St 42
|'''2015'''
|'''22 November'''
|style='text-align:left'|Extended to Jurong East Temp Int and amended to ply Corporation Dr and Yung Kuang Rd.
|-
|rowspan=3|{{TTS}}<br>'''(Current)'''
|'''2016'''
|'''26 June'''
|style='text-align:left'|Operations transferred to Tower Transit Singapore.
|-
|'''2020'''
|'''6 December'''
|style='text-align:left'|Amended to relocated Jurong East Temp Int.
|-
|'''2022'''
|'''27 November'''
|style='text-align:left'|Serves a pair of additional bus stops before Jurong Port Rd and after Corporation Pl along Jln Ahmad Ibrahim.
|}

==References==
<references/>

==See also==
* [[History of Bus Services]]
 
[[Category:Buses]]
[[Category:Go-Ahead Singapore]]
[[Category:SBS Transit]]
[[Category:Tower Transit Singapore]]