History of Services 101 - 110

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Service 101 (1971 - 1990)[edit]

Operator Year Date Service changes
STC 1971 11 April Introduced between Serangoon Gdn Ter and New Bridge Rd Ter under 1971 Bus Reorganisation.
ABS 6 December Operations transferred to ABS.
1972 18 June Amended to ply Bendemeer Rd towards New Bridge Rd Ter with the conversion of Serangoon Rd to one-way traffic.
SBS 1974 1 October Serves new merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
1977 31 October Amended to skip Chartwell Dr, Burghley Dr and Berwick Dr with the introduction of Service 217.
1981 10 May Skips bus stop before Braddell Flyover along Lor Chuan.
1983 6 February Amended to ply CTE towards Serangoon Gdn Ter with the closure of temporary slip road between Braddell Rd and Lor Chuan.
20 June Amended back to ply Lor Chuan towards Serangoon Gdn Ter with the opening of new link road between Braddell Rd and Lor Chuan under Braddell Flyover.
1985 TBC Amended to loop at New Bridge Rd.
1987 3 May Amended to terminate at New Bridge Rd Ter.
6 June Amended to the relocated New Bridge Rd Ter.
27 September Amended to ply the extended Eu Tong Sen St towards Serangoon Gdn Ter to facilitate the first stage of road expansion along New Bridge Rd.
1 November Amended to ply Eu Tong Sen St towards Serangoon Gdn Ter to facilitate the second stage of road expansion along New Bridge Rd.
1988 13 March Amended to Serangoon Int.
20 March Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
1990 2 September Integrated with Service 83 and discontinued.

Service 101 (since 2004) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2004 15 February Introduced between Serangoon Int and Buangkok Cres (Loop), replacing Service 328.
2005 14 August Amended to loop at Buangkok Lk, skipping Buangkok Cres.
2009 19 April Serves new pair of bus stops outside Blk 834 and outside Hougang Polyclinic along Hougang Ave 4.
2011 3 September Amended to Serangoon Integrated Transport Hub.
3 December Designated wheelchair-accessible bus service (WAB).
2017 9 July Serves new pair of bus stops outside and opposite Blk 991B along Buangkok Lk.
2018 23 December Serves new bus stop opposite Blk 984A along Buangkok Lk.
2019 25 August Amended to loop at Buangkok Cres after Buangkok Lk.
2022 13 March Serves new bus stop outside Blk 991A along Buangkok Cres.

Service 101A (1971 - 1974)[edit]

Operator Year Date Service changes
STC 1971 11 April Introduced between Serangoon Gdn Ter and New Bridge Rd Ter under 1971 Bus Reorganisation.
ABS 6 December Operations transferred to ABS.
1972 18 June Amended to ply Bendemeer Rd towards New Bridge Rd Ter with the conversion of Serangoon Rd to one-way road.
SBS 1974 3 February Discontinued under 1974 Bus Rationalisation.

Service 102 (1971 - 1977)[edit]

Operator Year Date Service changes
STC 1971 11 April Introduced between Serangoon Gdn Ter and Prince Edward Ter under 1971 Bus Reorganisation.
UBC 6 December Operations transferred to UBC.
1972 18 June Amended to ply Bendemeer Rd towards Prince Edward Ter with the conversion of Serangoon Rd to one-way traffic.
SBS 1974 3 February Converted to semi-express service under 1974 Bus Rationalisation.
8 December Amended to ply the extended Robinson Rd, skipping Market St.
1976 15 February Serves new staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
14 March Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
1977 31 October Discontinued.

Service 102 (1981 - 1983)[edit]

Operator Year Date Service changes
SBS 1981 2 March Introduced between Jln Kayu Ter and New Bridge Rd Ter, operating on weekdays and Saturdays only.
1983 14 November Discontinued.

Service 102 (since 2015) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2015 20 September Introduced between Hougang Ctrl Int and Jln Kayu (Loop) under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0545 hrs and 2330 hrs daily. Wheelchair-accessible at launch.
2018 14 October Extended to loop at Seletar Airport PTB.
2019 22 September Serves new pair of bus stops opposite and after Seletar Camp along Seletar Aerospace Dr.
2022 29 May Amended to ply Fernvale Rd, Sengkang West Ave, Sengkang West Rd and Sengkang West Way, skipping a portion of Sengkang West Way.
First bus brought forward to 0530 hrs daily.

Service 102A (1971 - 1974)[edit]

Operator Year Date Service changes
STC 1971 11 April Introduced between Serangoon Gdn Ter and Prince Edward Ter under 1971 Bus Reorganisation.
UBC 6 December Operations transferred to UBC.
1972 18 June Amended to ply Bendemeer Rd towards Prince Edward Ter with the conversion of Serangoon Rd to one-way traffic.
SBS 1974 3 February Re-numbered Service 105 under 1974 Bus Rationalisation.

Short Trip 102A (since 2023) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2023 27 March Introduced as a short-trip service from Sengkang East Way (Sengkang Stn) to Sengkang West Way (Opp Blk 461B) during evening peak hours on weekdays. Wheelchair-accessible at launch.

Short Trip 102B (since 2023) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2023 9 October Introduced as a short-trip service from Sengkang West Way (Blk 461B) to Sengkang East Way (Opp Sengkang Stn/Blk 260A) during morning peak hours on weekdays. Wheelchair-accessible at launch.

Service 103 Handicapped/disabled access[edit]

Operator Year Date Service changes
ABS 1971 11 April Introduced between Serangoon Gdn Ter and Commonwealth Ave Ter under 1971 Bus Reorganisation.
1972 18 June Amended to ply Bendemeer Rd towards Commonwealth Ave Ter with the conversion of Serangoon Rd to one-way traffic.
SBS 1974 3 February Extended to Jln Kayu Ter under 1974 Bus Rationalisation.
1 October Serves new merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
1975 2 February 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 November Amended to temporary bus terminal along Holland Dr with the partial closure of Commonwealth Ave Ter to facilitate the extension of Commonwealth Ave.
1977 29 August Amended back to Commonwealth Ave Ter via Nth Buona Vista Rd.
1980 13 July Amended to ply Commonwealth Ave with the conversion of Queens Circus to a signalised junction, skipping Queensway and Holland Rd.
1982 27 May Amended to Buona Vista Ter.
1987 6 April Skips abolished bus stop before College Rd along Outram Rd.
27 September Amended to ply the extended Eu Tong Sen St towards Jln Kayu Ter to facilitate the first stage of road expansion along New Bridge Rd.
1 November Amended to ply Eu Tong Sen St to facilitate the second stage of road expansion along New Bridge Rd.
13 December Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
1989 29 January Serves relocated bus stop opposite Sri Mariamman Tp along Sth Bridge Rd, skipping abolished bus stop opposite Jamae Mque.
1992 29 March Shortened to New Bridge Rd Ter under TransitLink Network Integration Exercise Phase 6.
Trans Island
1995 17 December Operations transferred to TIBS.
1998 TBC Skips a pair of temporarily abolished bus stops before and after Seletar West Farmway 1 along Jln Kayu.
1999 10 July Skips the bus stop outside Plaza By The Pk along Bras Basah Rd.
SBS 26 December Operations transferred to SBS.
2001 15 July Amended to ply Yio Chu Kang Lk and Boundary Rd.
SBS Transit
(Current)
2002 TBC Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
31 December Serves reinstated pair of bus stops before and after Sengkang West Ave along Jln Kayu.
2003 20 June Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
7 December Shortened to start from Serangoon Int and loop at Piccadilly, replacing Service 378 under North East MRT Line Rationalisation Phase 3.
2007 1 July Skips abolished bus stop after East Camp Gate along Piccadilly.
2011 13 February Integrated with Service 103M and extended to loop at West Camp Rd.
3 September Amended to Serangoon Integrated Transport Hub.
2012 2 February Serves new pair of bus stops before and after Rolls Royce Pte Ltd along Seletar Aerospace Dr.
2013 13 October Amended to ply Sengkang West Ave and Sengkang West Rd with the partial closure of Jln Kayu.
2014 3 December Designated wheelchair-accessible bus service (WAB).
2015 14 June Extended to Yishun Temp Int under the LTA's Bus Service Enhancement Programme (BSEP).
2018 25 November Serves 3 new bus stops before and opposite Blk 469B and opposite Yishun St 43 along Yishun Ave 1.
2019 8 September Amended to Yishun Integrated Transport Hub.
2020 12 January Serves new bus stop outside Blk 469B along Yishun Ave 1.
2022 26 June Serves new bus stop outside Blk 471A along Yishun Ave 1.

Service 103A (1971 - 1974)[edit]

Operator Year Date Service changes
ABS 1971 11 April Introduced between Serangoon Gdn Ter and Commonwealth Ave Ter under 1971 Bus Reorganisation.
1972 18 June Amended to ply Bendemeer Rd towards Commonwealth Ave Ter with the conversion of Serangoon Rd to one-way traffic.
SBS 1974 3 February Re-numbered Service 106 under 1974 Bus Rationalisation.

Service 103W/103M (2003 - 2011)[edit]

Operator Year Date Service changes
SBS Transit 2003 7 December Introduced between Serangoon Int and West Camp Rd (Loop) as Service 103W, replacing Service 379 under North East MRT Line Rationalisation Phase 3.
2008 28 January Re-numbered Service 103M.
2011 13 February Integrated with Service 103 and discontinued with the partial closure of West Camp Rd and New West Camp Rd.

Service 104 (1971 - 1993)[edit]

Operator Year Date Service changes
UBC 1971 23 April Introduced between Serangoon Gdn Ter and Upp Cross St (Loop).
5 July Amended to ply Chartwell Dr, Burghley Dr, Berwick Dr and Serangoon Gdn Way towards Upp Cross St.
1972 11 June Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
1973 11 March Amended to ply Hoot Kiam Rd towards Serangoon Gdn Ter with the conversion of Irwell Bank Rd to one-way traffic.
SBS 1977 31 October Amended to skip Chartwell Dr, Burghley Dr and Berwick Dr with the introduction of Service 217.
1983 6 February Amended to ply CTE towards Serangoon Gdn Ter with the closure of temporary slip road between Braddell Rd and Lor Chuan.
20 June Amended back to ply Lor Chuan towards Serangoon Gdn Ter with the opening of new link road between Braddell Rd and Lor Chuan under Braddell Flyover.
1986 28 September Amended to ply Keng Lee Rd, Kg Java Rd and Bt Timah Rd, skipping Cavenagh Rd.
1987 13 December Serves new bus stop outside Newton Stn along Scotts Rd.
1988 13 March Amended to Serangoon Int.
1992 3 May Extended to New Bridge Rd Ter and amended to ply Ang Mo Kio Ave 1 and Bishan Rd under TransitLink Network Integration Exercise Phase 7, skipping Lor Chuan.
1993 5 December Integrated with Service 134 to form Service 54 and discontinued under TransitLink Network Integration Exercise Phase 14.

Service 105 (1974 - 1977)[edit]

Operator Year Date Service changes
SBS 1974 3 February Re-numbered from Service 102A as a service between Serangoon Gdn Ter and Prince Edward Ter.
8 December Amended to ply the extended Robinson Rd, skipping Market St.
1976 15 February Serves new staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
14 March Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
1977 31 October Discontinued.

Service 105 (since 1988) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1988 13 March Introduced between Serangoon Int and Clementi Int, replacing Service 95.
1991 1 April First bus from Serangoon Int brought forward to 0545 hrs on weekdays and Saturdays.
1992 29 March Extended to Jurong East Int under TransitLink Network Integration Exercise Phase 6.
3 May Integrated with Service 312 and amended to ply Serangoon Ave 2, Serangoon Ave 3 and Lor Chuan under TransitLink Network Integration Exercise Phase 7.
1993 5 December Amended to ply Queensway, Commonwealth Ave and Commonwealth Ave West under TransitLink Network Integration Exercise Phase 14, skipping Ulu Pandan Rd and Clementi Rd.
1997 TBC Serves new pair of bus stops outside Blk 286A and outside Blk 284 along Toh Guan Rd.
1999 TBC Skips temporarily abolished bus stops outside and opposite Sch of Mechanical & Mfg along Commonwealth Ave West.
2000 TBC Last bus from Jurong East Int extended to 2400 hrs on Saturdays.
2001 18 October Serves reinstated bus stops outside Dover Stn along Commonwealth Ave West.
SBS Transit
(Current)
2009 5 July Amended to ply Boon Lay Way with the closure of Jurong East St 12 to facilitate the Jurong East Modification Project (JEMP).
2011 3 September Amended to Serangoon Integrated Transport Hub, skipping Boundary Rd with the route amendment of Service 109.
17 December Amended to Jurong East Temp Int.
2012 26 March Designated wheelchair-accessible bus service (WAB).
2020 6 December Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.

Short Trip 105A (1999 - 2011)[edit]

Operator Year Date Service changes
SBS 1999 TBC Introduced from Serangoon Int to Whitley Rd (Aft Tanglin CC) during morning peak hours on weekdays.
SBS Transit 2003 TBC Shortened to terminate at Lor 2 Toa Payoh (Toa Payoh Stn).
2011 TBC Discontinued.

Short Trip 105B Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1999 TBC Introduced from Jurong East Int to Commonwealth Ave West (Clementi Stn) during morning peak hours on weekdays.
SBS Transit
(Current)
2009 5 July Amended to ply Boon Lay Way with the closure of Jurong East St 12 to facilitate the Jurong East Modification Project (JEMP).
2011 17 December Amended to Jurong East Temp Int.
2012 26 March Designated wheelchair-accessible bus service (WAB).
2020 6 December Amended to relocated Jurong East Temp Int.

Service 106 Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1974 3 February Re-numbered from Service 103A as a service between Serangoon Gdn Ter and Commonwealth Ave Ter.
1 October Serves new merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
1977 17 May Amended to ply Commonwealth Ave Extension and Nth Buona Vista Rd towards Commonwealth Ave Ter.
29 August Amended to ply Holland Ave, Holland Dr and Nth Buona Vista Rd towards Commonwealth Ave Ter.
31 October Amended to skip Chartwell Dr, Burghley Dr and Berwick Dr with the introduction of Service 217.
7 November Amended to ply Penang Rd, Somerset Rd, Grange Rd, Orchard Rd/Orchard Blvd, Tanglin Rd, Napier Rd, Holland Rd and Holland Ave, skipping Bras Basah Rd, Nth Bridge Rd/Hill St, Sth Bridge Rd, Upp Circular Rd, New Bridge Rd, River Valley Rd, Delta Rd, Alexandra Rd, Tanglin Rd, Margaret Dr, Queensway and Commonwealth Dr.
1982 27 May Amended to Buona Vista Ter.
1983 6 February Amended to ply CTE towards Serangoon Gdn Ter with the closure of temporary slip road between Braddell Rd and Lor Chuan.
20 June Amended back to ply Lor Chuan towards Serangoon Gdn Ter with the opening of new link road between Braddell Rd and Lor Chuan under Braddell Flyover.
1985 28 October Extended to Bt Batok Ter.
1986 31 August Serves additional bus stop outside Blk 9 along Holland Ave.
1987 27 September Amended to Bt Batok Int.
1988 13 March Amended to Serangoon Int.
1992 19 July Amended to ply Orchard Lk due to the closure of Grange Rd to facilitate road expansion works.
1999 TBC Skips temporarily abolished bus stops outside and opposite Sch of Mechanical & Mfg along Commonwealth Ave West.
Trans Island
2000 24 December Operations transferred to TIBS.
2001 18 October Serves reinstated bus stops outside Dover Stn along Commonwealth Ave West.
2002 7 July Skips the bus stop opposite Mandarin Singapore along Orchard Rd.
TBC Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
2003 20 June Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
27 July Shortened to Marina Ctr Ter under North East MRT Line Rationalisation Phase 2.
SMRT Buses 2005 2 July Amended to ply Grange Rd with the partial closure of Somerset Rd.
2010 26 April Extended to Shenton Way Ter.
2013 1 December Serves new bus stop outside Downtown Stn along Central Blvd.
2014 28 September Amended to ply Robinson Rd and Marina Blvd towards Bt Batok Int, skipping Maxwell Rd and Central Blvd with the road changes in the Marina Sth area.
2015 14 June Designated wheelchair-accessible bus service (WAB).
Tower Transit
(Current)
2016 29 May Operations transferred to Tower Transit Singapore.
2017 25 June Amended to the relocated Shenton Way Ter.

Short Trip 106A (2001 - 2003)[edit]

Operator Year Date Service changes
Trans Island 2001 TBC Introduced from Bt Batok Int to Commonwealth Ave West (Opp SP T1A) during morning peak hours on weekdays.
2003 TBC Discontinued.

Short Trip 106A (since 2012) Handicapped/disabled access[edit]

Operator Year Date Service changes
SMRT Buses 2012 17 September Introduced from Bt Batok Int to Commonwealth Ave West (Clementi Stn) during morning peak hours on weekdays.
2015 14 June Designated wheelchair-accessible bus service (WAB).
Tower Transit
(Current)
2016 29 May Operations transferred to Tower Transit Singapore.

Service 107 Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1978 23 January Introduced between Serangoon Gdn Ter and Shenton Way (Loop) as a semi-express service on weekdays and Saturdays, replacing Blue Arrow Service 304.
1979 11 February Amended to ply the extended Shenton Way, Keppel Rd and Anson Rd, skipping Parsi Rd.
1981 10 May Skips bus stop before Braddell Flyover along Braddell Rd.
11 October Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
1983 6 February Amended to ply CTE towards Serangoon Gdn Ter with the closure of temporary slip road between Braddell Rd and Lor Chuan.
20 June Amended back to ply Lor Chuan towards Serangoon Gdn Ter with the opening of new link road between Braddell Rd and Lor Chuan under Braddell Flyover.
1988 3 January Serves new staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
13 March Amended to Serangoon Int, converted to full day trunk service and amended to ply Kallang Bahru and Marina Ctr.
1989 11 June Amended to skip Marina Ctr.
1994 3 July Amended to ply Kallang Rd, Victoria St and Jln Sultan towards Shenton Way, skipping Crawford St.
1997 23 March Converted to day service with the introduction of Service 107X.
2001 TBC Last bus revised to 1330 hrs on Saturdays.
SBS Transit
(Current)
2002 TBC Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
2003 4 May Amended to ply Geylang Bahru, Bendemeer Rd, Whampoa East and Serangoon Rd, skipping Jln Kolam Ayer.
20 June Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
30 November Extended to Hougang Ctrl Int and amended to Shenton Way Ter under North East MRT Line Rationalisation Phase 3, replacing the deleted sectors of Service 97.
2007 28 April Serves additional bus stop outside Victoria Concert Hall along Fullerton Rd.
2009 27 December Serves the bus stop opposite Singapore Cricket Club along Connaught Dr with the abolition of the bus stop outside Esplanade Pk.
2015 3 December Designated wheelchair-accessible bus service (WAB).
2016 1 May Amended to ply Esplanade Dr with the partial closure of Fullerton Rd.
2017 25 June Amended to the relocated Shenton Way Ter.
2021 7 February Amended to ply Bidadari Pk Dr, skipping a portion of Upp Serangoon Rd.
26 December Amended to ply Esplanade Dr towards Shenton Way Ter with the closure of Connaught Dr.
2022 28 August Temporarily amended to ply Hougang Ctrl and Hougang Ave 4 with the partial closure of Hougang Ctrl to facilitate the construction of the Cross-Island MRT Line.

Short Trip 107A (2000 - 2003)[edit]

Operator Year Date Service changes
SBS 2000 TBC Introduced from Serangoon Int to Shenton Way (Opp Temasek Twr) during morning peak hours on weekdays.
SBS Transit 2003 30 November Discontinued with the amendment of Service 107 to Shenton Way Ter under North East MRT Line Rationalisation Phase 3.

Service 107X/107M Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1997 23 March Introduced between Serangoon Int and Raffles Blvd (Loop) as an alternate route of Service 107, operating during off peak periods on weekdays and Saturdays and throughout the day on Sundays and Public Holidays, numbered as Service 107X.
2001 TBC First bus brought forward to 1340 hrs on Saturdays.
SBS Transit
(Current)
2002 TBC Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
2003 4 May Amended to ply Geylang Bahru, Bendemeer Rd, Whampoa East and Serangoon Rd, skipping Jln Kolam Ayer.
20 June Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
30 November Extended to Hougang Ctrl Int under North East MRT Line Rationalisation Phase 3, replacing the deleted sectors of Service 97.
2008 28 January Re-numbered Service 107M.
2015 3 December Designated wheelchair-accessible bus service (WAB).
2021 7 February Amended to ply Bidadari Pk Dr, skipping a portion of Upp Serangoon Rd.
2022 28 August Temporarily amended to ply Hougang Ctrl and Hougang Ave 4 with the partial closure of Hougang Ctrl to facilitate the construction of the Cross-Island MRT Line.

Service 109 Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2006 28 May Introduced between Serangoon Int and Changi Village Ter, operating between 0600 hrs and 2330 hrs from Serangoon Int and Changi Village Ter daily.
TBC First bus from Serangoon Int brought forward to 0545 hrs on weekdays.
2011 3 September Amended to Serangoon Integrated Transport Hub and amended to ply Boundary Rd, replacing the deleted sectors of Service 105.
26 September Designated wheelchair-accessible bus service (WAB).
2012 29 April Serves new bus stop outside Blk 612 along Pasir Ris Dr 1.
2014 5 October Serves additional pair of bus stops before and after Punggol Rd along TPE.
2016 13 November Serves new pair of bus stops opposite Blk 293D and outside Blk 286B along Sengkang East Rd.
2022 30 October Temporarily amended to ply Pasir Ris St 11 and Pasir Ris St 12 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris East MRT station on the Cross Island MRT Line.
2023 26 February Temporarily amended to ply the bus-only corridor along Loyang Ave and Loyang Way with the partial closure of Loyang Ave to facilitate the construction of Loyang Viaduct and Loyang MRT station on the Cross Island MRT Line, skipping 3 pairs of bus stops along Loyang Ave.
8 October Temporarily amended to ply Pasir Ris Ctrl and Pasir Ris Dr 8 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris MRT station on the Cross Island MRT Line.

Short Trip 109A Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2014 26 May Introduced from Serangoon Int to Hougang Ave 4 (Blk 913) during evening peak hours on weekdays. Wheelchair-accessible at launch.

Service 110 (1971 - 1977)[edit]

Operator Year Date Service changes
STC 1971 11 April Introduced between Upp Serangoon Rd 10.5 km Ter and Prince Edward Ter under 1971 Bus Reorganisation.
9 May Amended to ply Mountbatten Rd, Kallang Rd, Crawford St, Nth Bridge Rd and Bras Basah Rd, skipping Nicoll Highway.
ABS 6 December Operations transferred to ABS.
SBS 1974 8 December Amended to ply the extended Robinson Rd, skipping Market St.
1975 2 March Amended to ply Sims Ave and Lor 1 Geylang towards Upp Serangoon Rd 10.5 km Ter with the conversion of Geylang Rd to one-way traffic.
21 July Amended to ply St. Andrew's Rd and Stamford Rd, skipping Coleman St and Hill St.
1976 15 February Serves new staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
14 March Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
1977 16 May Integrated with Service 70 and discontinued.

Service 110 (since 2017) Handicapped/disabled access[edit]

Operator Year Date Service changes
SMRT Buses
(Current)
2017 22 October Introduced between Compassvale Int and Changi Airport PTB 2 (Loop), operating between 0530 hrs and 2345 hrs daily. Wheelchair-accessible at launch.