Bus Service 189

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!	TRAVEL ADVISORY					!
	From Sunday, 14 November 2024 to 31 October 2025, Train services on the Bukit Panjang LRT will end an hour earlier at 22:30 every Thursday to Sunday (except Public Holidays). This is to facilitate the upgrading of the BPLRT signalling system, as well as the testing of the new and retrofitted Light Rail Vehicles (LRVs) on the BPLRT network. Please refer here for more information. From Saturday, 15 March 2025, supplementary bus service 138M will be introduced to better serve residents travelling to the Ang Mo Kio Polyclinic. This service will operate at a frequency of 30 minutes from Ang Mo Kio Bus Interchange. Please refer here for more information. From Saturday, 15 March 2025, bus service 883M will operate on Saturdays from 7am to 1pm at 30-minute frequency to enhance connectivity to amenities along Yishun Avenue 7. Please refer here for more information. From Monday, 17 March 2025, short-trip service 71A will be introduced from Mayflower MRT Station to Bishan MRT Station. Please refer here for more information. From Sunday, 23 March 2025, supplementary bus service 258M will ply an extended route looping at Boon Lay Place to provide direct connection to amenities such as Boon Lay Shopping Centre. Please refer here for more information. From Monday, 24 March 2025, supplementary bus service 979X will be introduced to provide a faster connection for residents in Yew Tee Village to and from Bukit Panjang MRT / Bus Interchange. Bus service 979X will supplement bus service 979 and serve selected bus stops along its route. It will operate on weekdays (excluding Public Holidays) during the morning and evening peak periods. Please refer here for more information. From Monday, 24 March 2025, supplementary bus service 861M will be introduced to complement existing travel options to Wellington Primary School. It will operate from Canberra Way, terminating at Sembawang Bus Interchange. This service will operate two trips during the morning peak period on weekdays during school term only. Please refer here for more information. From Monday, 24 March 2025, short-trip service 112B will be introduced starting from Hougang Central Bus Interchange and terminating at Hougang Avenue 7. This service will only operate on weekdays (excluding public holidays) during the evening peak period. Please refer here for more information.

Service 189
Route Information
Route	Bukit Batok Interchange ↺ Clementi Avenue 1 (Loop)
Route Length	16.3 km
Travelling Time	51 - 81 mins (1 h 21 mins)
Operator	(Bulim Bus Package)

Tower Transit Bus Service 189 is an inter-town route serving between Bukit Batok and looping at Clementi Ave 1, via Bukit Batok Neighbourhood 2, Bukit Batok Street 23, Clementi Avenue 6, EW23Clementi MRT and Clementi Road.

Service Information

Bus Duty & Fleet

Service 189

Depot	Fleet Size		Fleet
	189	189A
Bulim Depot (BUDEP)	14	4	Single Deckers	Double Deckers
			MAN NL323F Mercedes-Benz O530 Citaro	Alexander Dennis Enviro500 MAN ND323F Volvo B9TL SG7003J SG7004G SG7005D Yutong ZK6125BEVGS

Notes

1 Service 189 bus will perform one (1) down-route trip on Service 189 from Commonwealth Avenue West (Bus Stop 17179 - Clementi Stn Exit B) towards Bukit Batok Interchange via Clementi Avenue 1 before Weekdays AM Peak, departing at 0558 hours. 2 Service 189 buses will perform one (1) down-route trip on Service 189 from Commonwealth Avenue West (Bus Stop 17179 - Clementi Stn Exit B) towards Bukit Batok Interchange via Clementi Avenue 1 during Weekdays AM Peak, departing at 0704 hours & 0713 hours. 1 Service 189 DDs will perform one (1) crossover trip on Service 941 before AM Peak. 2 Service 189 DDs will perform one (1) crossover trip on Service 947 during PM Peak. 3 Service 189 buses will perform four (4) down-route trips on Service 189 from Bukit Batok Street 23 (Bus Stop 43311 - Midview Bldg) towards Bukit Batok Interchange during Weekdays PM Peak, departing between 1705 hours & 1849 hours. 4 Service 189 buses will perform down-route trips on Service 189 from Clementi Road (Bus Stop 17191 - NUS High Sch) towards Bukit Batok Interchange during Weekdays AM Off-Peak, departing at 1334 hours, 1424 hours, 1442 hours, 1451 hours & 1509 hours. All Service 189 MAN ND323F (3-Door) buses are only deployed on Weekdays. All Service 189 buses departing Bukit Batok Interchange after 2315 hours will operate as Short Trip 189A. Full SD fleet during Weekdays AM Peak & AM Off-Peak. This service practises jumpbus.

Route Information

Frequency

Period	AM Peak (First Bus - 08:30)	AM Off Peak (08:31 - 16:59)	PM Peak (17:00 - 19:00)	PM Off Peak (19:01 - Last Bus)
Loop Service	05 minutes	06 minutes	06 - 10 minutes	15 - 21 minutes

Special Departures

• 17179

  Clementi Stn Exit B
  C'wealth Ave West
  EW23Clementi
  The Clementi Mall →
  43009

  Bt Batok Int
  Bt Batok Ctrl
  • Weekdays: 05:58, 07:05 & 07:13
• 17191

  NUS High Sch
  Clementi Rd
  →
  43009

  Bt Batok Int
  Bt Batok Ctrl
  • Weekdays: 13:34, 14:24, 14:42, 14:51 & 15:09
• 43311

  Midview Bldg
  Bt Batok St 23
  →
  43009

  Bt Batok Int
  Bt Batok Ctrl
  • Weekdays: 17:05, 17:13, 17:21, 17:34, 17:42, 17:50, 18:05, 18:13, 18:21, 18:35, 18:42 & 18:49

Service 189A

SG7004G on Short-Trip Service 189A

• 43009

  Bt Batok Int
  Bt Batok Ctrl
  →
  43319

  Opp Midview Bldg
  Bt Batok St 23
  • Weekdays: 07:05 to 09:04 & 23:38 to 01:10
  • Weekends & Public Holidays: 23:38 to 01:10

Historical Information

Operator	Route	Year	Date	Service changes
	Commonwealth Ave ↔ South Canal	1974	3 February	Re-numbered from Service 193A as a service between Commonwealth Ave Ter and Sth Canal Ter under 1974 Bus Rationalisation.
			8 December	Amended to ply Cecil St, skipping Robinson 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.
		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.
		1978	22 January	Amended to ply Commonwealth Ave, Queensway, Commonwealth Dr, Commonwealth Ave and Queen's Circus with the conversion of Farrer Circus into a traffic-signal controlled junction.
	Commonwealth Ave ↺ Empress Pl	1979	15 January	Amended to loop at Empress Pl from Commonwealth Ave Ter.
				Amended to ply Jln Bt Merah, Kg Bahru Rd and New Bridge Rd/Neil Rd, skipping Commonwealth Dr, Tiong Bahru Rd and Outram Rd.
			11 February	Amended to ply the extended Shenton Way towards Commonwealth Ave Ter, skipping Parsi Rd and Anson Rd.
		1980	20 January	Amended to ply Spottiswoode Pk Rd with the partial conversion of Cantonment Rd to one-way traffic.
	Buona Vista ↺ Empress Pl	1982	27 May	Amended to Buona Vista Ter.
	Bukit Batok ↔ Marina Ctr	1985	24 November	Extended to Bt Batok Ter and Marina Ctr Ter.
		1986	30 November	Amended to the relocated Marina Ctr Ter along Raffles Blvd.
		1987	27 September	Amended to Bt Batok Int.
			1 November	Amended to ply Eu Tong Sen St towards Marina Ctr Ter to facilitate the second stage of road expansion along New Bridge Rd.
	Bukit Batok ↺ Clementi West St 2	1991	28 April	Shortened to loop at Clementi West St 2 from Bt Batok Int, integrated with Service 366 and amended to ply Bt Batok Ctrl, Bt Batok Ave 1, Bt Batok East Ave 6 and Bt Batok St 23 under TransitLink Network Integration Exercise Phase 4.
	Bukit Batok ↺ West Coast Ferry Ter	1995	6 May	Extended to loop at West Coast Ferry Ter, skipping Clementi West St 2.
		1996	TBC	Amended to ply PIE and Clementi Ave 6, skipping Toh Tuck Ave.
		1999	20 September	Serves new pair of bus stops outside and opposite West Bay Resort Condo along West Coast Rd.
Known as prior to 10 May 2004		2000	18 June	Operations transferred to TIBS.
	Bukit Batok ↺ Kent Ridge	2001	15 April	Shortened to loop at Kent Ridge Ter.
	189Bukit Batok ↺ Kent Ridge 189ABukit Batok → Bt Batok St 23	2009	5 January	189AIntroduced from Bt Batok Int to Bt Batok St 23 (Opp Midview Bldg) during morning peak hours on weekdays.
			1 June	Designated wheelchair-accessible bus service (WAB).
		2011	12 June	189AExtended to operate after the last bus of Service 189 daily.
		2013	TBC	189ALast bus extended to 0100 hrs daily.
	189Bukit Batok ↺ Clementi Ave 1 189ABukit Batok → Bt Batok St 23	2014	23 November	189Amended to loop at Clementi Ave 1 with the introduction of Service 201, skipping West Coast Rd and Kent Ridge Ter.
				189Last bus extended to 2315 hrs daily.
(Current)		2016	29 May	Operations transferred to Tower Transit Singapore.
		2019	5 October	189ALast bus extended to 0110 hrs daily.
		2024	28 January	189Serves additional bus stop after Clementi Swim Cplx along AYE.

External Links

• SimplyGo eGuide
• Bus Service Route Map