Tower Transit Bus Service 189A

Tower Transit Bus Service 189A is a Short-Trip Service variant of Bus Service 189.

The route operates from Bukit Batok Bus Interchange and ends at Bukit Batok Street 23 (Opp Midview Bldg), operating during the Weekday Morning Peak hours, as well as daily, after the last bus of Service 189 has departed. During Eves of Public Holidays, last bus timings of Service 189A will be extended to complement the extension of train operating hours.

Route Overview
Route	Bukit Batok Bus Interchange → Bukit Batok Street 23 (Opp Midview Bldg)
Passes Through	Bukit Batok East Ave 6
Route Length	2.9 km
Travelling Time	13 mins
Operator Information
BCM Route Package	Bulim Bus Package
Current Operator	Tower Transit Singapore (Tower Transit Singapore Pte Ltd)
Current Depot	Bulim Bus Depot
Current Fleet	12-metre Single Deck Bus: – MAN A22 – Mercedes-Benz Citaro						12-metre Double Deck Bus: – Alexander Dennis Enviro500 – Volvo B9TL – Yutong E12DD
Operating Hours
Departure Times from Bukit Batok	Weekdays				Saturdays & Sundays / Public Holidays
	07:01 – 08:59 & 23:30 – 01:10				23:30 – 01:10
Fare Information
Fare	Charges regular distance fares

Short Trip Service 189A is a trunk service operating from Bukit Batok Bus Interchange and ends at Bukit Batok Street 23 (Opp Midview Bldg). The Short-Trip Service offers unidirectional trips from Bukit Batok to industrial areas around Bukit Batok Street 23 during the morning peak hours, as well as to residential estates within Bukit Batok town during the late night hours (after the last bus of Service 189 has departed), without having to operate full-distance trips of Service 189.

During Eves of Public Holidays, as well as MRT Early Closure affecting Bukit Batok MRT Station, operating hours will be extended. Exact last bus hours are announced by Tower Transit closer to these dates.

MRT Station Served:

• NS2 Bukit Batok

Departure Timings

• From Bukit Batok Interchange:
  Weekdays: 07:01, 07:09, 07:17, 07:32, 07:40, 07:48, 08:02, 08:10, 08:18, 08:33, 08:41, 08:50, 08:59, 23:30, 23:50, 00:10, 00:30, 00:50, 01:10
  Saturdays & Sundays / Public Holidays: 23:30, 23:50, 00:10, 00:30, 00:50, 01:10

Gallery (Tower Transit):

Gallery (SMRT Buses):

Operator History:

• 05 Jan 2009 – 28 May 2016: SMRT Buses Ltd
• 29 May 2016 – Present: Tower Transit Singapore Pte Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2026 under the Bulim Bus Package.

Route History:

• 2009 (05 Jan): Introduced as a short-trip service from Bt Batok Int to Bt Batok St 23 (Opp Midview Bldg) during morning peak hours on weekdays
• 2011 (12 Jun): Extended to operate after the last bus of Service 189 daily
• 2016 (29 May): Operations transferred to Tower Transit Singapore Pte Ltd
• 2019 (05 Oct): Daily last bus timing from Bukit Batok extended from 01:00 to 01:10

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