History of Services 20 - 29

Service 20

1^st Generation (1971 - 1989)

Operator	Route	Year	Date	Service changes
Singapore Traction Company	Fidelio St ↔ Commonwealth Ave	1971	11 April	Introduced between Fidelio St Ter and Commonwealth Ave Ter under 1971 Bus Reorganisation.
Associated Bus Services			6 December	Operations transferred to Associated Bus Services.
	Chai Chee ↔ Commonwealth Ave	1973	1 July	Operations transferred to Singapore Bus Services.
				Amended to Chai Chee Ter.
		1974	8 December	Amended to ply the extended Robinson Rd, skipping Market St.
		1975	2 March	Amended to ply Sims Ave towards Chai Chee Ter with the conversion of Geylang Rd to one-way traffic.
		1976	15 February	Serves new staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
	Chai Chee ↔ Ghim Moh	1977	7 March	Extended to Ghim Moh Ter.
			17 May	Amended to ply Commonwealth Ave Extension.
		1978	15 January	Amended to ply Jln Sultan, skipping Sumbawa Rd.
		1979	11 February	Amended to ply the extended Shenton Way towards Ghim Moh Ter, skipping Parsi Rd and Anson Rd.
			14 October	Amended to ply Sims Ave East towards Chai Chee Ter with the conversion of Changi Rd to one-way traffic.
		1981	11 October	Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
	Bedok ↔ Ghim Moh	1985	8 September	Extended to Bedok Int with the closure of Chai Chee Ter.
		1988	3 January	Serves new staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
		1989	5 November	Integrated with Service 100 and discontinued.

2^nd Generation (1994 - 2000)

Operator	Route	Year	Date	Service changes
	Sims Pl ↺ St. Wilfred Rd	1994	17 October	Introduced between Sims Pl Ter and St. Wilfred Rd (Loop).
		2000	27 November	Integrated with Service 125 and discontinued.

3^rd Generation (since 2013)

Operator	Route	Year	Date	Service changes
(Current)	Tampines ↺ Changi Business Park Ctrl 2	2013	9 June	Introduced between Tampines Int and Changi Business Pk Ctrl 2 (Loop) under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0600 hrs and 2330 hrs daily.
			30 September	Designated wheelchair-accessible bus service (WAB).
		2015	20 December	Serves new pair of bus stops outside and opposite Changi City Pt along Changi South Ave 2.
		2017	21 October	Amended to ply Somapah Rd and Changi Sth Ave 1, skipping Upp Changi Rd East and Xilin Ave.
		2018	10 June	Serves new pair of bus stops outside and opposite The Eightrium along Changi Sth Ave 1.
		2021	26 December	Serves new bus stop after Changi Business Park Crescent along Changi Business Pk Vista.
	20Tampines ↺ Changi Business Park Ctrl 2 20ASimei St 1 → Changi South Ave 1	2024	27 May	20AIntroduced from Simei St 1 (Blk 148) to Changi Sth Ave 1 (Expo Stn Exit B) during morning peak hours on Weekdays. Wheelchair-accessible bus service (WAB) at launch.

Service 21

1^st Generation (1971 - 1981)

Operator	Route	Year	Date	Service changes
Amalgamated Bus Company	Fidelio St ↔ Delta	1971	11 April	Introduced between Fidelio St Ter and Delta Circus Ter under 1971 Bus Reorganisation.
	Fidelio St ↔ Commonwealth Ave		25 April	Extended to Commonwealth Ave Ter.
		1973	11 March	Amended to ply Zion Rd towards Commonwealth Ave Ter with the partial conversion of Kim Seng Rd to one-way traffic.
	Chai Chee ↔ Commonwealth Ave		1 July	Operations transferred to Singapore Bus Services.
				Amended to Chai Chee Ter.
		1975	2 February	Amended to ply Tiong Bahru Rd and the extended Zion Rd towards Commonwealth Ave Ter with the partial conversion of Kim Seng Rd and Outram Rd to one-way traffic.
			2 March	Amended to ply Sims Ave and Lor 1 Geylang towards Chai Chee Ter with the conversion of Geylang Rd to one-way traffic.
		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.
		1981	15 November	Discontinued.

2^nd Generation (since 1992)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Pasir Ris ↔ Lor 1 Geylang	1992	29 November	Introduced between Pasir Ris Int and Lor 1 Geylang Ter under TransitLink Network Integration Exercise Phase 10.
	Pasir Ris ↔ Saint Michael’s	1993	23 May	Integrated with Service 4 and extended to St. Michael’s Ter under TransitLink Network Integration Exercise Phase 13.
		1994	TBC	Skips the bus stop outside Kallang Stn along Sims Ave.
		1999	TBC	Serves new pair of bus stops outside and opposite The Clearwater Condo along Bedok Reservoir Rd.
		2001	18 February	Serves new staggered bus stop outside Novena Stn along Thomson Rd, skipping the bus stop outside Novena Ch.
		2002	TBC	Serves new pair of bus stops opposite and between Blks 731 and 734 along Bedok Reservoir Rd.
		2003	21 June	Amended to ply Bendemeer Rd, Jln Besar, Kitchener Rd and Serangoon Rd under North East Line Rationalisation Phase 1.
		2004	27 April	Amended to ply Geylang Rd, Kallang Rd and Sims Ave towards St. Michael’s Ter with the temporary conversion of Lor 1 Geylang to one-way traffic.
			6 December	Amended to ply the reinstated Lor 1 Geylang towards St. Michael’s Ter, skipping Geylang Rd, Kallang Rd and Sims Ave.
		2006	26 June	Designated wheelchair-accessible bus service (WAB).
	21Pasir Ris ↔ Saint Michael’s 21AGeylang Rd → Kitchener Rd	2014	25 May	21AIntroduced from Geylang Rd (Bef Lor 18 Geylang) to Kitchener Rd (Bef Tai Hoe Hotel) on Sundays and Public Holidays. Wheelchair-accessible bus service (WAB) at launch.
		2016	24 April	Amended to ply Jln Tenteram in both directions.
		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 station on the Cross Island Line.
		2025	27 April	Amended to Pasir Ris Integrated Transport Hub.

Service 21X

Operator	Route	Year	Date	Service changes
(Current)	St. Michael's ↺ Thomson Rd	2025	28 April	Introduced between St. Michael's Ter and Thomson Rd (Loop) under the LTA's Bus Connectivity Enhancement Programme (BCEP), operating between 0630 hrs – 1000 hrs and 1615 hrs – 1945 hrs on Weekdays. Wheelchair-accessible bus service (WAB) at launch.

Service 22

1^st Generation (1971 - 1984)

Operator	Route	Year	Date	Service changes
Amalgamated Bus Company	Fidelio St ↔ Labrador	1971	11 April	Introduced between Fidelio St Ter and Alexandra Rd Ter.
	Fidelio St ↔ Tg Berlayer	1972	TBC	Extended to Tg Berlayer Ter.
	Chai Chee ↔ Tg Berlayer	1973	1 July	Operations transferred to Singapore Bus Services.
				Amended to Chai Chee Ter.
		1974	3 February	Amended to skip Fidelio St under 1974 Bus Rationalisation.
		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 March	Amended to ply Sims Ave towards Chai Chee Ter with the conversion of Geylang Rd to one-way traffic.
		1979	14 October	Amended to ply Sims Ave East towards Chai Chee Ter with the conversion of Changi Rd to one-way traffic.
		1984	22 April	Discontinued.

2^nd Generation (since 1988)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Ang Mo Kio ↔ Tampines	1988	24 January	Introduced between Ang Mo Kio Int and Tampines Int.
		1999	TBC	Serves new pair of bus stops outside and opposite The Clearwater Condo along Bedok Reservoir Rd.
		2002	24 March	Amended to Ang Mo Kio Temp Int.
				First bus from Ang Mo Kio Temp Int revised to 0530 hrs on weekdays and Saturdays.
			TBC	Serves new pair of bus stops opposite and between Blks 731 and 734 along Bedok Reservoir Rd.
		2003	21 June	Amended to ply Serangoon Ctrl and Upp Serangoon Rd under North East Line Rationalisation Phase 1.
			TBC	Serves new bus stop outside Serangoon Stn along Serangoon Ctrl.
		2007	28 April	Amended to Ang Mo Kio Integrated Transport Hub.
		2011	7 March	Designated wheelchair-accessible bus service (WAB).
		2013	22 September	Serves new bus stop outside Wisma AUPE along Upp Paya Lebar Rd.
		2017	12 February	Serves new pair of bus stops before and after Ubi Rd 3 along Ubi Ave 2.
				Serves additional pair of bus stops outside and opposite Our Tampines Hub along Tampines Ave 5.
	Ang Mo Kio ↔ Eunos	2021	12 December	Shortened to Eunos Int under Downtown Line 3 Rationalisation.

Service 23

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Tampines ↺ Orchard Rd	1983	20 February	Introduced between Tampines Ter and Orchard Rd (Loop).
		1987	29 November	Amended to Tampines Int.
		1988	23 October	Skips a pair of bus stops outside and opposite Tampines Stadium along Tampines Ave 5.
	Tampines ↺ Rochor Canal Rd	1991	6 January	Shortened to loop at Rochor Canal Rd under TransitLink Network Integration Exercise Phase 1.
		1995	18 September	Amended to ply Tampines Ave 1, Tampines Ave 10 and Bedok Nth Rd with the opening of Temasek Polytechnic.
		1997	TBC	Serves additional pair of bus stops outside and opposite Tampines Stadium along Tampines Ave 5.
		2001	TBC	Serves new pair of bus stops outside and opposite Tropica Condo along Tampines Ave 1.
	23Tampines ↺ Rochor Canal Rd 23ATampines → Tampines Ave 1	2006	28 August	23AIntroduced from Tampines Int to Tampines Ave 1 (Temasek Poly West G) during morning peak hours on weekdays.
		2007	TBC	Serves new pair of bus stops outside Kallang Basin Swim Cplx and after Infineon along Jln Kolam Ayer.
	Tampines ↺ Rochor Canal Rd	2010	TBC	23ADiscontinued.
		2017	21 August	Designated wheelchair-accessible bus service (WAB).
			21 October	Serves new bus stop outside Bedok Nth Stn along Bedok Nth Rd.
		2022	3 April	Serves additional bus stop outside Jln Besar Stn Exit A along Jln Besar.
			27 November	Serves new pair of bus stops outside and opposite HomeTeamNS Bedok along Bedok Nth Rd.

Service 24

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Ang Mo Kio ↺ Changi Airport	1983	25 June	Introduced between Ang Mo Kio Int and Changi Airport PTB (Loop) with the merger of SBS Services 392, 394 and SSB Service 727 under Changi Airport Bus Plan 1983.
		1986	6 July	Serves the bus stop outside Blk 416 along Sims Ave, skipping the bus stop outside Blk 414.
		1990	13 October	Amended to serve Changi Airport PTB 2.
	Ang Mo Kio ↔ Changi Airport	1996	TBC	Converted to bi-directional service between Ang Mo Kio Int and Changi Airport PTB 1.
		2000	TBC	Serves new pair of bus stops outside and opposite SATS Flight Kitchen along Airport Blvd.
	24Ang Mo Kio ↔ Changi Airport 24AAng Mo Kio → New Upp Changi Rd	2002	24 February	24AIntroduced as a full day short-trip service from Ang Mo Kio Int to New Upp Changi Rd (Tanah Merah Stn), operating as alternate trips of Service 24.
			24 March	Amended to Ang Mo Kio Temp Int.
		2003	16 March	Amended to ply Eunos Ave 5 and Eunos Rd 8 with the partial closure of Paya Lebar Rd to facilitate the construction of Paya Lebar station on the Circle Line.
	Ang Mo Kio ↔ Changi Airport	2004	TBC	24ADiscontinued.
		2007	28 April	Amended to Ang Mo Kio Integrated Transport Hub.
			11 November	Amended to serve Changi Airport PTB 3.
		2009	23 August	Amended to ply the reinstated Paya Lebar Rd, skipping Eunos Ave 5 and Eunos Rd 8.
		2010	2 December	Designated wheelchair-accessible bus service (WAB).
	Ang Mo Kio ↺ Changi Airport	2012	9 January	Converted to loop service between Ang Mo Kio Int and Changi Airport PTB 2.
		2013	22 September	Serves new bus stop outside Wisma AUPE along Upp Paya Lebar Rd.
		2017	22 October	Amended to serve Changi Airport PTB4.
		2018	8 April	Serves new pair of bus stops after Somapah Rd and before Simei Rd along Upp Changi Rd East.

Service 25

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Ang Mo Kio ↔ Bedok	1979	28 October	Introduced between Ang Mo Kio Ave 3 Ter and Bedok Int.
		1980	1 June	Amended to ply Boundary Rd and Upp Paya Lebar Rd, skipping Lor Chuan, Braddell Rd and Bartley Rd.
		1981	5 July	Amended to Ang Mo Kio Ctrl 2 Ter.
		1983	10 April	Amended to Ang Mo Kio Int.
		1985	7 July	Amended to ply Ang Mo Kio Ave 3, Hougang Ave 2, Hougang Ave 3, Eunos Lk and Jln Eunos, skipping Ang Mo Kio Ave 8, Ang Mo Kio Ave 1, Boundary Rd, Upp Paya Lebar Rd and Paya Lebar Rd.
		1994	TBC	First bus from Ang Mo Kio Int brought forward to 0530 hrs on Sundays and Public Holidays.
	25Ang Mo Kio ↔ Bedok 25AAng Mo Kio → Hougang Ave 3	2000		25AIntroduced from Ang Mo Kio Int to Hougang Ave 3 (Aft Kim Chuan Rd) during morning peak hours on weekdays.
		2002	24 March	Amended to Ang Mo Kio Temp Int.
			TBC	25First bus from Bedok Int brought forward to 0515 hrs on weekdays and Saturdays, and 0530 hrs on Sundays and Public Holidays.
	Ang Mo Kio ↔ Bedok	2003		25ADiscontinued.
		2005	19 February	Serves additional pair of bus stops outside Jubilee and opposite Blk 710 along Ang Mo Kio Ave 8.
		2007	28 April	Amended to Ang Mo Kio Integrated Transport Hub.
		2011	19 November	Amended to Bedok Temp Int.
		2012	26 March	Designated wheelchair-accessible bus service (WAB).
		2014	30 November	Amended to Bedok Integrated Transport Hub.
	Ang Mo Kio ↔ Upp East Coast	2017	9 April	Extended to Upp East Coast Ter, skipping Bedok Int.

Service 26

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Bedok ↺ Geylang Bahru	1981	12 July	Introduced between Bedok Int and Geylang Bahru (Loop).
		1986	21 July	Last bus extended to 2330 hrs daily.
	Bedok ↔ Toa Payoh	1989	27 August	Integrated with Service 148 and extended to Toa Payoh Int.
			19 November	Serves new bus stop outside Kallang Stn along Sims Ave.
		1994	5 March	Amended to ply Kim Keat Link and Lor 6 Toa Payoh towards Toa Payoh Int.
			11 July	Amended to ply Jln Kolam Ayer, Bendemeer Rd, Whampoa Nth and Serangoon Rd.
			TBC	Skips the bus stop outside Kallang Stn along Sims Ave.
		1998	31 May	Amended to Toa Payoh Temp Int.
				Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
		2002	19 May	Amended to Toa Payoh Integrated Transport Hub.
		2003	4 May	Amended to ply Geylang Bahru, Bendemeer Rd, Whampoa East and Serangoon Rd, skipping Jln Kolam Ayer and Whampoa Nth.
		2004	27 April	Amended to ply Geylang Rd, Kallang Rd and Sims Ave towards Toa Payoh Int with the temporary conversion of Lor 1 Geylang to one-way traffic.
			6 December	Amended to ply the reinstated Lor 1 Geylang towards Toa Payoh Int, skipping Geylang Rd, Kallang Rd and Sims Ave.
		2005	TBC	Serves an additional bus stop outside City Plaza along Geylang Rd.
		2011	19 November	Amended to Bedok Temp Int.
		2014	23 March	Designated wheelchair-accessible bus service (WAB).
			30 November	Amended to Bedok Integrated Transport Hub.
		2016	12 June	Amended to ply Chai Chee St and Chai Chee Dr, skipping New Upp Changi Rd.

Service 27

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Tampines ↺ Changi Airport	1988	24 January	Introduced between Tampines Int and Changi Airport PTB (Loop).
			23 October	Skips a pair of bus stops outside and opposite Tampines Stadium along Tampines Ave 5.
		1990	13 October	Amended to serve Changi Airport PTB 2.
	Pasir Ris ↺ Changi Airport	1992	29 November	Extended to Pasir Ris Int under TransitLink Network Integration Exercise Phase 10.
		1993	24 January	Amended to serve Tampines Int in both directions.
		1994	16 January	Amended to ply Pasir Ris St 52 and Pasir Ris Dr 1, skipping Pasir Ris Ctrl.
	Tampines ↺ Changi Airport	1995	10 September	Shortened to Tampines Int with the introduction of Service 15.
	Tampines ↔ Changi Airport	1996	TBC	Converted to bi-directional service between Tampines Int and Changi Airport PTB 1.
			TBC	First bus from Tampines Int brought forward to 0545 hrs on Sundays and Public Holidays.
		1997	TBC	Serves additional pair of bus stops outside and opposite Tampines Stadium along Tampines Ave 5.
	Sengkang ↔ Changi Airport	1999	25 July	Extended to Sengkang Ter.
			TBC	Serves reinstated bus stop outside Blk 298A along Punggol Rd.
		2000	TBC	Serves new pair of bus stops outside and opposite SATS Flight Kitchen along Airport Blvd.
			TBC	Serves 2 new pairs of bus stops outside and opposite Tampines Dormitory and before and after Tampines Ind Ave 5 along Tampines Ave 10.
			TBC	Serves reinstated bus stop outside Blk 190C along Punggol Rd.
		2001	28 April	Amended to Sengkang Temp Int.
		2002	TBC	Serves new pair of bus stops before and after Tampines Ave 9 along Tampines Ave 10.
	Hougang Ctrl ↔ Changi Airport		29 December	Extended to Hougang Ctrl Int.
	27Hougang Ctrl ↔ Changi Airport 27ACompassvale Rd → Tampines Ave 5		30 December	27AIntroduced from Compassvale Rd (Opp Blk 240) to Tampines Ave 5 (Blk 147) during morning peak hours on weekdays.
		2003	TBC	Serves new pair of bus stops before and after TPE along Tampines Ave 10.
	27Hougang Ctrl ↔ Changi Airport 27ACompassvale Rd → Tampines Ave 5 27BTampines Ave 5 → Compassvale Rd	2007	26 March	27BIntroduced from Tampines Ave 5 (Blk 938) to Compassvale Rd (Blk 240) during evening peak hours on weekdays.
			11 November	Amended to serve Changi Airport PTB 3.
	27Hougang Ctrl ↔ Changi Airport 27ACompassvale Rd → Tampines Ave 5	2008	TBC	27BDiscontinued.
	27Hougang Ctrl ↔ Changi Airport 27ASengkang East Ave → Tampines Ave 4	2009	17 August	27AExtended to start from Sengkang East Ave (Blk 203B) and shortened to terminate at Tampines Ave 4 (Opp Century Sq).
			26 October	Designated wheelchair-accessible bus service (WAB).
	27Hougang Ctrl ↺ Changi Airport 27ASengkang East Ave → Tampines Ave 4	2012	9 January	27Converted to loop service between Hougang Ctrl Int and Changi Airport PTB 2.
		2014	24 August	Serves new pair of bus stops before and after Punggol Rd along TPE.
		2015	8 November	Serves new pair of bus stops outside and opposite CityLife @ Tampines along Tampines Ave 9.
		2017	11 September	27Last bus extended to 2350 hrs daily.
		2022	28 August	Temporarily amended to ply Hougang Ave 4 and Hougang Ave 10 with the partial closure of Hougang Ctrl to facilitate the construction of Hougang station on the Cross Island Line.
		2024	27 May	27First bus brought forward to 0510 hrs on weekdays.

Service 28

1^st Generation (1983 - 1992)

Operator	Route	Year	Date	Service changes
	Tampines ↺ New Bridge Rd	1983	4 September	Introduced between Tampines Ter and New Bridge Rd (Loop).
	Tampines ↔ 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 Tampines Ave 5 Ter to facilitate the first stage of road expansion along New Bridge Rd.
			1 November	Amended to ply Eu Tong Sen St towards Tampines Ave 5 Ter to facilitate the second stage of road expansion along New Bridge Rd.
			29 November	Amended to Tampines Int.
			13 December	Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
		1988	20 March	Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
			23 October	Skips a pair of bus stops outside and opposite Tampines Stadium along Tampines Ave 5.
		1990	22 July	Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
		1992	29 November	Integrated with Service 2 and discontinued under TransitLink Network Integration Exercise Phase 10.

2^nd Generation (since 1994)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Tampines ↺ Bedok	1994	2 October	Introduced between Tampines Int and Bedok Int (Loop).
		1999	TBC	Serves new pair of bus stops outside and opposite The Clearwater Condo along Bedok Reservoir Rd.
	Tampines ↔ Toa Payoh	2000	29 October	Integrated with Service 152 and extended to Toa Payoh Int, skipping Bedok Nth St 1 and Bedok Int.
		2001	TBC	Serves new pair of bus stops opposite Blk 761 and opposite Baywater along Bedok Nth Ave 3.
		2002	19 May	Amended to Toa Payoh Integrated Transport Hub.
		2003	16 March	Amended to ply Eunos Ave 5 and Eunos Rd 8 with the partial closure of Paya Lebar Rd to facilitate the construction of Paya Lebar station on the Circle Line.
			23 March	Amended to ply Tampines St 45, Tampines St 34 and Tampines St 32.
				First bus from Tampines Int brought forward to 0540 hrs daily. First bus from Toa Payoh Int brought forward to 0555 hrs daily.
		2006	TBC	Skips a pair of removed bus stops outside and opposite Bedok Green Sec Sch along Bedok Nth Ave 3.
		2009	8 March	Skips a pair of bus stops outside and opposite Bartley Sec Sch with the realignment of the junction of Upp Paya Lebar Rd and Bartley Rd.
			23 August	Amended to ply the reinstated Paya Lebar Rd, skipping Eunos Ave 5 and Eunos Rd 8.
		2010	13 February	Serves new pair of bus stops outside and opposite Blk 220 CP along Bedok Nth Ave 3.
		2015	28 September	Designated wheelchair-accessible bus service (WAB).

Service 29

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Tampines ↺ Changi AirFreight Ctr	1985	9 June	Introduced between Tampines Ter and Changi Airport Cargo Cplx (Loop).
		1987	26 April	Integrated with Services 210 and 218 and amended to ply Cranwell Rd, Netheravon Rd and Changi Village Rd.
			29 November	Amended to Tampines Int.
		1992	29 November	Amended to loop at Changi Village Ter after 1930 hours daily under TransitLink Network Integration Exercise Phase 10.
	Tampines ↺ Changi Village	1994	23 January	Amended to loop at Changi Village Ter throughout the day.
		2002	TBC	Serves new pair of bus stops outside and opposite Changi Chapel Museum along Upp Changi Rd Nth.
		2003	23 March	Amended to ply Tampines St 41 and Tampines Ave 9.
				First bus brought forward to 0520 hrs daily. Last bus extended to 2345 hrs daily.
		2010	28 February	Designated wheelchair-accessible bus service (WAB).
	29Tampines ↺ Changi Village 29ATampines → Tampines Ave 7	2013	4 March	29AIntroduced from Tampines Int to Tampines Ave 7 (Blk 497D) during evening peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.