View source for History of Express Services

==Service 10e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="3"|{{SBS Transit}}<br>(Current)
|'''2005'''
|'''19 September'''
|Introduced between Bedok Rd and Shenton Way (AM Peak) and between Anson Rd and Bedok Rd (PM Peak) as a peak hour one-directional service on weekdays.
|-
|'''2009'''
|'''23 February'''
|Calls at an additional bus stop outside Suntec City along Nicoll Highway.
|-
|'''2016'''
|'''27 June'''
|{{DWAB}}
|}

==Service 12e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="2"|{{Go-Ahead Singapore}}<br />(Current)
|rowspan="2"|'''2018'''
|'''28 January'''
|Introduced between Pasir Ris Int and New Bridge Rd Ter. Wheelchair-accessible at launch.
|-
|'''10 March'''
|Extended to Kg Bahru Ter with the closure of New Bridge Rd Ter.
|}

==Service 14e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="4"|{{SBS Transit}}<br>(Current)
|'''2005'''
|'''12 December'''
|Introduced between Bedok North Ave 3 and Orchard Rd (AM Peak) and between Orchard Rd and Bedok North Ave 3 (PM Peak) as a peak hour one-directional service on weekdays.
|-
|'''2006'''
|'''29 October'''
|Calls at a relocated bus stop outside Orchard Stn along Orchard Turn.
|-
|'''2009'''
|'''23 February'''
|Calls at an additional pair of bus stops outside and opposite Suntec City along Nicoll Highway.
|-
|'''2015'''
|'''3 December'''
|{{DWAB}}
|}

==Service 30e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="12"|{{SBS Transit}}<br>(Current)
|'''2005'''
|'''19 September'''
|Introduced between Bedok Int and Pasir Panjang Rd (AM Peak) and between Pasir Panjang Rd and Bedok Int (PM Peak) as a peak hour one-directional service on weekdays.
|-
|rowspan="2"|'''2006'''
|'''19 March'''
|Amended to ply Guillemard Rd with the partial closure of Old Airport Rd and Dunman Rd to facilitate the construction of Dakota MRT station on the Circle MRT Line.
|-
|'''29 October'''
|Calls at a new bus stop outside VivoCity along Telok Blangah Rd.
|-
|rowspan="2"|'''2008'''
|'''7 December'''
|Skips the bus stop opposite Temenggong D Mosque along Telok Blangah Rd.
|-
|'''29 December'''
|Amended to ply the reinstated Old Airport Rd and Dunman Rd, skipping Guillemard Rd.
|-
|rowspan="2"|'''2009'''
|'''23 February'''
|Calls at 2 additional pairs of bus stops after and opposite PSA Wharves G3 and outside and opposite Heng Mui Keng Terr along Pasir Panjang Rd.
|-
|'''4 October'''
|Amended to ply express sectors along the reinstated Tg Katong Rd, skipping express sectors along Geylang Rd, Paya Lebar Rd and Sims Ave.
|-
|'''2011'''
|'''19 November'''
|Amended to Bedok Temp Int.
|-
|'''2012'''
|'''27 August'''
|Calls at an additional pair of bus stops outside and opposite Alexandra DP Blk 3 along Pasir Panjang Rd.
|-
|'''2013'''
|'''29 December'''
|Amended to ply express sectors along the Marina Coastal Expressway (MCE) with the partial closure of East Coast Parkway (ECP).
|-
|'''2014'''
|'''30 November'''
|Amended to Bedok Integrated Transport Hub.
|-
|'''2016'''
|'''25 January'''
|{{DWAB}}
|}

==Service 74e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="2"|{{SBS Transit}}<br>(Current)
|'''2006'''
|'''18 December'''
|Introduced between Hougang Central Int and Buona Vista Ter (AM Peak) and between Buona Vista Ter and Hougang Central Int (PM Peak) as a peak hour one-directional service on weekdays.
|-
|'''2015'''
|'''28 September'''
|{{DWAB}}
|}

==Service 89e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="4"|{{SBS Transit}}<br>(Current)
|'''2005'''
|'''19 September'''
|Introduced between Hougang Central Int and Airport Cargo Rd (AM Peak) and between Airport Cargo Rd and Hougang Central Int (PM Peak) as a peak hour one-directional service on weekdays.
|-
|'''2009'''
|'''23 February'''
|Calls at an additional bus stop outside 3rd Cargo Agents along Airline Rd for evening peak trips.
|-
|'''2014'''
|'''24 August'''
|Calls at a new pair of bus stops before and after Punggol Rd along TPE.
|-
|'''2015'''
|'''3 December'''
|{{DWAB}}
|}

==Service 97e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="9"|{{SBS Transit}}
|rowspan="2"|'''2005'''
|'''3 January'''
|Introduced as a Fast Forward service between Jurong East Int and Fullerton Rd (AM Peak) and between Collyer Quay and Jurong East Int (PM Peak) as a peak hour one-directional Fast Forward service on weekdays.
|-
|'''12 June'''
|Calls at a new bus stop outside Science Park along AYE.
|-
|'''2006'''
|'''29 October'''
|Calls at a new bus stop outside VivoCity along Telok Blangah Rd.
|-
|rowspan="2"|'''2009'''
|rowspan="2"|'''23 February'''
|Extended to terminate at Raffles Ave for morning peak trips and start from Temasek Blvd for evening peak trips.
|-
|Calls at an additional pair of bus stops outside Blk 44 and opposite Blk 45 along Telok Blangah Rd.
|-
|'''2010'''
|'''26 April'''
|Amended to Marina Ctr Ter.
|-
|'''2011'''
|'''17 December'''
|Amended to Jurong East Temp Int.
|-
|'''2013'''
|'''1 December'''
|Calls at a new bus stop outside Downtown Stn along Central Blvd.
|-
|'''2015'''
|'''28 September'''
|{{DWAB}}
|-
!{{Tower Transit Singapore}}<br>(Current)
|'''2016'''
|'''12 June'''
|Operated by Tower Transit Singapore.
|}

==Service 147e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!{{SBS Transit}}<br />(Current)
|'''2018'''
|'''28 January'''
|Introduced between Clementi Int and Eu Tong Sen St/New Bridge Rd. Wheelchair-accessible at launch.
|}

==Service 151e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="3"|{{SBS Transit}}<br>(Current)
|'''2006'''
|'''18 December'''
|Introduced between Hougang Central Int and Kent Ridge Ter (AM Peak) and between Kent Ridge Ter and Hougang Central Int (PM Peak) as a peak hour one-directional service on weekdays.
|-
|'''2011'''
|'''4 September'''
|Amended to skip express sectors along Bendemeer Rd, Whampoa North and Serangoon Rd towards Kent Ridge Ter with the permanent closure of Whampoa North.
|-
|'''2015'''
|'''3 December'''
|{{DWAB}}
|}

==Service 174e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="11"|{{SBS Transit}}<br>(Current)
|rowspan="2"|'''2005'''
|'''28 March'''
|Introduced between Boon Lay Int and North Bridge Rd (AM Peak) and between North Bridge Rd and Boon Lay Int (PM Peak) as a peak hour one-directional service on weekdays.
|-
|'''2 July'''
|Amended to ply Grange Rd with the partial closure of Somerset Rd.
|-
|rowspan="3"|'''2006'''
|'''18 June'''
|Amended to Boon Lay Temp Int.
|-
|rowspan="2"|'''20 November'''
|Extended to New Bridge Rd Ter.
|-
|Calls at an additional pair of bus stops outside and opposite S'pore Botanic Gdns along Napier Rd.
|-
|'''2009'''
|'''27 December'''
|Amended to Boon Lay Integrated Transport Hub.
|-
|'''2011'''
|'''14 August'''
|Calls at an additional bus stop outside Clarke Quay Stn along Eu Tong Sen St.
|-
|'''2012'''
|'''9 December'''
|Amended to ply express sectors along Bt Timah Link with the partial closure of Jln Jurong Kechil to facilitate the construction of Beauty World MRT station on the Downtown MRT Line.
|-
|'''2014'''
|'''26 January'''
|Amended to ply express sectors along the reinstated Jln Jurong Kechil, skipping express sectors along Bt Timah Link.
|-
|'''2015'''
|'''28 September'''
|{{DWAB}}
|-
|'''2018'''
|'''10 March'''
|Extended to Kg Bahru Ter with the closure of New Bridge Rd Ter.
|}

==Service 188E==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="2"|{{SMRT Buses}}<br>(Current)
|'''2007'''
|'''25 June'''
|Introduced between Choa Chu Kang Int and HarbourFront Int as a peak hour one-directional service during weekday mornings.
|-
|'''2015'''
|'''22 March'''
|{{DWAB}}
|}

==Service 188R==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="2"|{{SMRT Buses}}<br>(Current)
|'''2010'''
|'''1 May'''
|Introduced between Choa Chu Kang Int and Resorts World Sentosa, operating on Saturdays, Sundays and Public Holidays only.
|-
|'''2015'''
|'''22 March'''
|{{DWAB}}
|}

==Service 196e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="3"|{{SBS Transit}}<br>(Current)
|'''2005'''
|'''12 December'''
|Introduced between Marine Parade Rd and Shenton Way (AM Peak) and between Anson Rd and Marine Parade Rd (PM Peak) as a peak hour one-directional service on weekdays.
|-
|'''2007'''
|{{TBC}}
|Calls at a new bus stop outside Victoria Sch along Marine Parade Rd.
|-
|'''2016'''
|'''25 January'''
|{{DWAB}}
|}

==Service 501==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="5"|{{SBS}}
|rowspan="2"|'''1997'''
|'''5 May'''
|Introduced between Hougang Central Int and Penang Rd (AM Peak) and between Anson Rd and Hougang Central Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
|-
|'''22 December'''
|Amended to loop at Penang Rd and enhanced to operate an alternate route between Hougang Central Int and Temasek Ave (loop) during evening off peak hours on weekdays and Saturdays and throughout the day on Sundays and Public Holidays.
|-
|'''1998'''
|'''24 May'''
|Amended to Hougang Central Temp Ter.
|-
|'''2000'''
|'''3 September'''
|Extended to Sengkang Ter.
|-
|rowspan="2"|'''2001'''
|'''28 April'''
|Amended to Sengkang Temp Int.
|-
!rowspan="3"|{{SBS Transit}}
|'''1 November'''
|Operated by SBS Transit.
|-
|rowspan="2"|'''2003'''
|'''18 January'''
|Amended to Sengkang Integrated Transport Hub.
|-
|'''28 July'''
|Withdrawn under North East MRT Line Rationalisation Phase 2.
|}

==Service 502==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="5"|{{SBS}}
|'''1997'''
|'''5 May'''
|Introduced between Hougang Central Int and Boon Lay Int.
|-
|'''1998'''
|'''24 May'''
|Amended to Hougang Central Temp Ter.
|-
|'''1999'''
|{{TBC}}
|Calls at an additional pair of bus stops outside and opposite The Synergy along Boon Lay Way.
|-
|'''2000'''
|'''3 September'''
|Extended to Sengkang Ter.
|-
|rowspan="2"|'''2001'''
|'''28 April'''
|Amended to Sengkang Temp Int.
|-
!rowspan="14"|{{SBS Transit}}<br>(Current)
|'''1 November'''
|Operated by SBS Transit.
|-
|'''2002'''
|'''7 July'''
|Skips the bus stop opposite Mandarin Singapore along Orchard Rd.
|-
|rowspan="2"|'''2003'''
|'''18 January'''
|Amended to Sengkang Integrated Transport Hub.
|-
|'''27 July'''
|Shortened to loop at Temasek Ave from Boon Lay Int under North East MRT Line Rationalisation Phase 2.
|-
|rowspan="2"|'''2005'''
|'''2 July'''
|Amended to ply Grange Rd with the partial closure of Somerset Rd.
|-
|'''26 December'''
|Extended to Pioneer Rd North and amended to ply Toh Guan Rd, express sectors along Commonwealth Ave West, Clementi Ave 2 and Tanglin Rd and ply Orchard Turn, Scotts Rd, express sectors along Stevens Rd, Whitley Rd, Pan-Island Expressway (PIE) and Toh Tuck Ave towards Pioneer Rd North.
|-
|rowspan="2"|'''2006'''
|'''18 June'''
|Calls at a new pair of bus stops outside Blk 683A and outside Blk 691A CP along Jurong West Central 1.
|-
|'''29 October'''
|Calls at a relocated bus stop outside Orchard Stn along Orchard Turn.
|-
|'''2008'''
|'''15 June'''
|Calls at a new pair of bus stops outside Blk 670A and outside Blk 678D along Jurong West St 64.
|-
|'''2009'''
|'''23 February'''
|Extended to Soon Lee Bus Park.
|-
|'''2010'''
|'''26 April'''
|Amended to ply Bayfront Ave, Marina Station Rd, express sectors along East Coast Parkway (ECP), Ayer Rajah Expressway (AYE), Clementi Ave 6 and Commonwealth Ave West, skipping Raffles Ave, Stamford Rd, Orchard Rd, Penang Rd, Somerset Rd, Orchard Turn, Scotts Rd, express sectors along Stevens Rd, Whitley Rd, PIE and Toh Tuck Ave.
|-
|rowspan="2"|'''2012'''
|'''14 January'''
|Calls at the reinstated bus stop outside Marina Bay Stn along Marina St.
|-
|'''30 September'''
|{{DWAB}}
|-
|'''2013'''
|'''29 December'''
|Amended to ply Central Blvd, Shenton Way and express sectors along Keppel Rd with the opening of the Marina Coastal Expressway (MCE), skipping Marina Station Rd and express sectors along ECP.
|}

==Service 502A==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="9"|{{SBS Transit}}<br>(Current)
|'''2005'''
|'''27 December'''
|Introduced between Pioneer Rd North and Temasek Ave (loop) as a peak hour variant of Service 502 on weekdays, skipping Jurong West Ave 1, Jurong East Ave 1, Toh Guan Rd and Boon Lay Way.
|-
|rowspan="2"|'''2006'''
|'''18 June'''
|Calls at a new pair of bus stops outside Blk 683A and outside Blk 691A CP along Jurong West Central 1.
|-
|'''29 October'''
|Calls at a relocated bus stop outside Orchard Stn along Orchard Turn.
|-
|'''2008'''
|'''15 June'''
|Calls at a new pair of bus stops outside Blk 670A and outside Blk 678D along Jurong West St 64.
|-
|'''2009'''
|'''23 February'''
|Extended to Soon Lee Bus Park.
|-
|'''2010'''
|'''26 April'''
|Shortened to terminate at Marina Station Rd and revised to operate during weekday morning peak hours only.
|-
|rowspan="2"|'''2012'''
|'''14 January'''
|Calls at the reinstated bus stop outside Marina Bay Stn along Marina St.
|-
|'''30 September'''
|{{DWAB}}
|-
|'''2013'''
|'''29 December'''
|Amended to terminate at Central Blvd with the opening of the Marina Coastal Expressway (MCE).
|}

==Service 502B==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="3"|{{SBS Transit}}
|'''2005'''
|'''27 December'''
|Introduced between Jurong West Ave 1 and Temasek Ave (loop) as a peak hour variant of Service 502 on weekdays.
|-
|'''2006'''
|'''29 October'''
|Calls at a relocated bus stop outside Orchard Stn along Orchard Turn.
|-
|'''2010'''
|'''26 April'''
|Withdrawn.
|}

==Service 503==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="2"|{{SBS}}
|'''1997'''
|'''5 May'''
|Introduced between Tampines Int and Temasek Ave (AM Peak) and between Anson Rd and Tampines Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
|-
|'''1999'''
|'''6 September'''
|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|(Related change)]]''
|}

==Service 505==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="2"|{{SBS}}
|'''1999'''
|'''6 September'''
|Re-numbered from Service 503 as a service between Pasir Ris Int and Telok Blangah Rd (loop). ''[[#Service 503|(Related change)]]''
|-
|'''2000'''
|'''3 September'''
|Shortened to loop at Temasek Ave and re-numbered Service 518. ''[[#Service 518|(Related change)]]''
|}

==Service 506==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="2"|{{SBS}}
|'''1999'''
|'''28 August'''
|Introduced between Jurong East Int and Bedok Int.
|-
|'''2000'''
|'''3 September'''
|Extended to Changi Airport.
|-
!rowspan="9"|{{SBS Transit}}<br>(Current)
|'''2001'''
|'''1 November'''
|Operated by SBS Transit.
|-
|rowspan="2"|'''2002'''
|{{TBC}}
|Calls at a new pair of bus stops opposite and between Blks 731 and 734 along Bedok Reservoir Rd.
|-
|'''15 September'''
|Shortened back to Bedok Int.
|-
|rowspan="2"|'''2006'''
|{{TBC}}
|Skips a pair of bus stops outside and opposite Bedok Green Sec Sch along Bedok North Ave 3 to facilitate the construction of Bedok Reservoir Flyover.
|-
|'''12 November'''
|Extended to Upp East Coast Ter.
|-
|'''2010'''
|'''13 February'''
|Calls at a new pair of bus stops outside and opposite Blk 220 CP along Bedok North Ave 3.
|-
|'''2011'''
|'''17 December'''
|Amended to Jurong East Temp Int.
|-
|'''2012'''
|'''30 September'''
|{{DWAB}}
|-
|'''2017'''
|'''23 April'''
|Calls at a relocated bus stop before PIE along Bt Batok Rd.
|}

==Service 507==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!{{SBS}}
|'''1999'''
|'''28 August'''
|Introduced between Boon Lay Int and Shenton Way (AM Peak) and between Anson Rd and Boon Lay Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
|-
!rowspan="2"|{{SBS Transit}}
|'''2001'''
|'''1 November'''
|Operated by SBS Transit.
|-
|'''2004'''
|'''22 August'''
|Withdrawn.
|}

==Service 508==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="2"|{{SBS}}
|'''1999'''
|'''28 August'''
|Introduced between Sengkang Ter and Penang Rd (AM Peak) and between Outram Rd and Sengkang Ter (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
|-
|'''2000'''
|'''4 September'''
|Shortened to Hougang Central Temp Ter and re-numbered Service 511. ''[[#Service 511|(Related change)]]''
|}

==Service 511==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="2"|{{SBS}}
|'''2000'''
|'''4 September'''
|Re-numbered from Service 508 as a peak-hour one-directional service between Hougang Central Temp Ter and Penang Rd (AM Peak) and between Outram Rd and Hougang Central Temp Ter (PM Peak). ''[[#Service 508|(Related change)]]''
|-
|rowspan="2"|'''2001'''
|'''20 May'''
|Amended to Hougang Central Int.
|-
!rowspan="2"|{{SBS Transit}}
|'''1 November'''
|Operated by SBS Transit.
|-
|'''2003'''
|'''27 July'''
|Withdrawn under North East MRT Line Rationalisation Phase 2.
|}

==Service 512==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="2"|{{SBS}}
|'''2000'''
|'''4 September'''
|Introduced between Hougang Central Temp Ter and Orchard Rd (AM Peak) and between Moulmein Rd and Hougang Central Temp Ter (PM Peak).
|-
|rowspan="2"|'''2001'''
|'''20 May'''
|Amended to Hougang Central Int.
|-
!rowspan="3"|{{SBS Transit}}
|'''1 November'''
|Operated by SBS Transit.
|-
|'''2002'''
|'''7 July'''
|Skips the bus stop outside Orchard Emerald along Orchard Rd.
|-
|'''2003'''
|'''27 July'''
|Withdrawn under North East MRT Line Rationalisation Phase 2.
|}

==Service 513==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="4"|{{SBS Transit}}<br>(Current)
|'''2012'''
|'''17 December'''
|Introduced between Tampines Ave 5 and Shenton Way (AM Peak) and between Anson Rd and Tampines Ave 5 (PM Peak) as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
|-
|rowspan="3"|'''2013'''
|'''31 March'''
|{{DWAB}}
|-
|'''1 December'''
|Calls at a new bus stop outside Downtown Stn along Central Blvd.
|-
|'''30 December'''
|Amended to ply express sectors along Sheares Ave for morning peak trips with the partial closure of East Coast Parkway (ECP).
|}

==Service 518==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!{{SBS}}
|'''2000'''
|'''3 September'''
|Re-numbered from Service 505 as a service between Pasir Ris Int and Temasek Ave (loop). ''[[#Service 505|(Related change)]]''
|-
!rowspan="6"|{{SBS Transit}}
|'''2001'''
|'''1 November'''
|Operated by SBS Transit.
|-
|'''2002'''
|'''7 July'''
|Skips the bus stop outside Orchard Emerald along Orchard Rd.
|-
|'''2005'''
|'''26 December'''
|Amended to ply Pasir Ris Dr 12, skipping Elias Rd.
|-
|'''2010'''
|'''26 April'''
|Amended to ply Bayfront Ave, skipping express sectors along Raffles Blvd and Republic Blvd.
|-
|rowspan="2"|'''2012'''
|'''29 April'''
|Calls at a new bus stop outside Blk 612 along Pasir Ris Dr 1.
|-
|'''3 December'''
|{{DWAB}}
|-
!rowspan="4"|{{Go-Ahead Singapore}}<br>(Current)
|rowspan="2"|'''2016'''
|'''18 September'''
|Operated by Go-Ahead Singapore.
|-
|'''23 September'''
|Amended to ply KPE and PIE towards Pasir Ris Int, skipping Bedok South Ave 1, Bedok South Rd and Bedok North Ave 1.
|-
|rowspan="2"|'''2017'''
|rowspan="2"|'''21 October'''
|Calls at a new pair of bus stops outside Tampines East Stn along Tampines Ave 2.
|-
|Calls at a new bus stop outside Bedok North Stn along Bedok North Rd.
|}

==Service 518A==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="4"|{{SBS Transit}}
|'''2005'''
|'''27 December'''
|Introduced between Pasir Ris Int and Temasek Ave (loop) as a peak hour variant of Service 518 on weekdays, skipping Tampines Ave 7, Tampines Ave 2, Tampines Ave 1 and Bedok North Rd.
|-
|'''2010'''
|'''26 April'''
|Shortened to terminate at Bayfront Ave and revised to operate during weekday morning peak hours only.
|-
|rowspan="2"|'''2012'''
|'''29 April'''
|Calls at a new bus stop outside Blk 612 along Pasir Ris Dr 1.
|-
|'''3 December'''
|{{DWAB}}
|-
!{{Go-Ahead Singapore}}<br>(Current)
|'''2016'''
|'''18 September'''
|Operated by Go-Ahead Singapore.
|}

==Service 518B==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="2"|{{SBS Transit}}
|'''2005'''
|'''27 December'''
|Introduced between Tampines Ave 7 and Temasek Ave (loop) as a peak hour variant of Service 518 on weekdays.
|-
|'''2010'''
|'''26 April'''
|Withdrawn.
|}

==Service 520==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="5"|{{Trans Island Bus Services}}
|rowspan="2"|'''1997'''
|'''5 May'''
|Introduced between Yishun Int and Outram Rd (AM Peak) and between New Bridge Rd Ter and Yishun Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
|-
|'''7 December'''
|Amended to ply South Bridge Rd and Neil Rd with the partial closure of New Bridge Rd to facilitate the construction of Chinatown MRT station on the North East MRT Line.
|-
|rowspan="2"|'''2002'''
|'''20 April'''
|Amended to ply the reinstated New Bridge Rd, skipping South Bridge Rd and Neil Rd.
|-
|{{TBC}}
|Calls at the bus stop outside Blk 923 along Yishun Ave 2, skipping the bus stop outside Northpoint Shop Ctr.
|-
|'''2003'''
|'''24 August'''
|Withdrawn.
|}

==Service 521==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#808080
!<font style="color:white;">Operator
!<font style="color:white;">Year
!<font style="color:white;">Date
!<font style="color:white;">Service changes
|-
!rowspan="4"|{{Trans Island Bus Services}}
|rowspan="2"|'''1999'''
|'''6 September'''
|Introduced between Bt Panjang Ter and World Trade Ctr Ter.
|-
|'''26 December'''
|Amended to Bt Panjang Int.
|-
|'''2000'''
|{{TBC}}
|Calls at an 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. ''[[History of Services 925 - 990#Service 963|(Related change)]]''
|}

==Service 850e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="7"|{{SMRT Buses}}
|'''2013'''
|'''18 February'''
|Introduced between Yishun Ave 11 and Shenton Way (AM Peak) and between Anson Rd and Yishun Ave 11 (PM Peak) as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
|-
|rowspan="4"|'''2015'''
|rowspan="2"|'''24 May'''
|Calls at a new bus stop opposite Blk 333C along Yishun St 31.
|-
|Calls at an additional bus stop between Blks 333C and 333D along Yishun St 31.
|-
|'''6 September'''
|Calls at a new pair of bus stops outside and opposite Blk 672C along Yishun Ring Rd.
|-
|'''28 September'''
|Amended to start from Yishun St 41 for morning peak trips, terminate at Yishun Ring Rd for evening peak trips and amended to ply Yishun Ave 1 with the introduction of City Direct 663, skipping Yishun Ave 6 and Yishun St 31.
|-
|'''2016'''
|'''16 October'''
|Calls at a new bus stop outside Blk 504C along Yishun Ring Rd.
|-
|'''2017'''
|'''17 September'''
|{{DWAB}}
|-
!{{SBS Transit}}<br />(Current)
|'''2018'''
|'''25 March'''
|Operated by SBS Transit.
|}

==Service 851e==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!{{SBS Transit}}<br />(Current)
|'''2018'''
|'''27 May'''
|Introduced between Yishun Temp Int and New Bridge Rd/Eu Tong Sen St. Wheelchair-accessible at launch.
|}

==Service 854E==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="5"|{{SMRT Buses}}<br>(Current)
|'''2007'''
|'''9 April'''
|Introduced between Yishun Int and Bedok Int as a peak hour one-directional service during weekday mornings.
|-
|'''2011'''
|'''19 November'''
|Amended to terminate at Bedok Temp Int.
|-
|'''2014'''
|'''30 November'''
|Amended to terminate at Bedok Integrated Transport Hub.
|-
|rowspan="2"|'''2015'''
|'''14 March'''
|Amended to start from Yishun Temp Int.
|-
|'''11 October'''
|{{DWAB}}
|}

==Service 868==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="3"|{{SMRT Buses}}<br>(Current)
|'''2010'''
|'''28 September'''
|Introduced between Bt Batok West Ave 5 and Temasek Ave as a peak hour one-directional service during weekday mornings.
|-
|'''2017'''
|'''17 September'''
|{{DWAB}}
|-
|'''2018'''
|'''9 April'''
|Calls at 2 additional bus stops opposite HomeTeamNS and outside Blk 334 along Bt Batok West Ave 7.
|}

==Service 951E==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="3"|{{SMRT Buses}}<br>(Current)
|'''2013'''
|'''17 June'''
|Introduced between Woodlands St 82 and Shenton Way (AM Peak) and between Anson Rd and Woodlands St 82 (PM Peak) as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
|-
|'''2015'''
|'''12 October'''
|Amended to ply Woodlands Ave 5 with the introduction of City Direct 665, skipping Woodlands Ave 1.
|-
|'''2017'''
|'''17 September'''
|{{DWAB}}
|}

==Service 963E==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="5"|{{SMRT Buses}}<br>(Current)
|'''2006'''
|'''20 February'''
|Introduced between Woodlands Reg Int and HarbourFront Int as a peak hour one-directional service during weekday mornings.
|-
|'''2009'''
|'''11 May'''
|Enhanced to operate between HarbourFront Int and Woodlands Reg Int during weekday evenings.
|-
|'''2015'''
|'''14 June'''
|{{DWAB}}
|-
|'''2016'''
|'''12 March'''
|Amended to Woodlands Temp Int.
|-
|'''2017'''
|'''4 September'''
|Calls at the pair of bus stops outside and opposite Blk 180 along Jelebu Rd, skipping the pair of bus stops outside and opposite Bt Panjang Plaza.
|}

==Service 963R==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="4"|{{SMRT Buses}}<br>(Current)
|'''2010'''
|'''30 January'''
|Introduced between Woodlands Reg Int and Resorts World Sentosa, operating on Saturdays, Sundays and Public Holidays only.
|-
|'''2015'''
|'''14 June'''
|{{DWAB}}
|-
|'''2016'''
|'''12 March'''
|Amended to Woodlands Temp Int.
|-
|'''2017'''
|'''4 September'''
|Calls at the pair of bus stops outside and opposite Blk 180 along Jelebu Rd, skipping the pair of bus stops outside and opposite Bt Panjang Plaza.
|}

==Service 971E==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="7"|{{SMRT Buses}}<br>(Current)
|rowspan="2"|'''2011'''
|'''14 March'''
|Introduced between Bt Panjang Int and Cecil St as a peak hour one-directional service during weekday mornings.
|-
|'''29 August'''
|Enhanced to operate between Anson Rd and Bt Panjang Int during weekday evenings.
|-
|'''2012'''
|'''16 December'''
|Amended to start from and terminate at Jelebu Rd with the closure of Bt Panjang Int.
|-
|rowspan="2"|'''2015'''
|'''16 August'''
|Calls at 2 new bus stops between Blks 443A and 443B and outside Blk 442D along Fajar Rd.
|-
|'''6 September'''
|Calls at a new pair of bus stops outside Blk 548B and outside Blk 547C along Segar Rd.
|-
|rowspan="2"|'''2017'''
|'''4 September'''
|Skips a pair of bus stops outside and opposite Blk 180 along Jelebu Rd.
|-
|'''17 September'''
|{{DWAB}}
|}

==Service 982E==
{| class="toccolours" border="1" cellpadding="3" style="border-collapse:collapse"
|-bgcolor=#55DD33
!Operator
!Year
!Date
!Service changes
|-
!rowspan="5"|{{SMRT Buses}}<br>(Current)
|rowspan="2"|'''2013'''
|'''18 March'''
|Introduced between Choa Chu Kang Ave 5 and Marina Blvd (AM Peak) and between Central Blvd and Choa Chu Kang Ave 5 (PM Peak) as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
|-
|'''1 December'''
|Calls at a new bus stop outside Downtown Stn along Central Blvd.
|-
|'''2014'''
|'''17 February'''
|Calls at 3 additional pairs of bus stops outside and opposite Blk 26 along Choa Chu Kang Rd, outside and opposite Bt Batok Fire Stn and before and after Bt Batok West Ave 5 along Bt Batok Rd.
|-
|'''2015'''
|'''27 April'''
|Calls at a new pair of bus stops outside and opposite Blk 489A along Choa Chu Kang Ave 5.
|-
|'''2017'''
|'''17 September'''
|{{DWAB}}
|}

[[Category: Buses]]