SMRT Bus Service 178A

SMRT Bus Service 178A is a Short-Trip Service variant of Bus Service 178.

The route operates from Woodlands Bus Interchange and ends at Woodlands Road (Kranji Stn), operating only during the weekday morning peak hours.

Woodlands Int
→ Kranji Stn
46009 Woodlands Int B13 NS9TE2 Woodlands Sq
46291 Blk 106 Woodlands Ave 5
46199 Blk 120 Marsiling Rise
46181 Opp Blk 12 Marsiling Rd
46209 Blk 2 Marsiling Dr
46709 Aft Blk 1 Marsiling Dr
46119 Marsiling CC Admiralty Rd
46091 Bef Bke Woodlands Ctr Rd
46059 Globalfoundries/Aft Bke Woodlands Rd
46049 Globalfoundries Woodlands Rd
46039 Opp Kranji Lodge 1 Woodlands Rd
46029 Aft W'Lands Ind Pk D St 2 Woodlands Rd
45139 Kranji Stn NS7 Woodlands Rd
Route Overview
Route WAB_logo_20px Woodlands Integrated Transport Hub → Woodlands Road (Kranji Stn)
Passes Through Marsiling Rd, Marsiling Dr
Route Length 4.9 km
Travelling Time 15 mins
Operator Information
BCM Route Package Woodlands Bus Package
Current Operator SMRT Buses Ltd
Current Depot Woodlands Bus Depot (WLDEP)
Current Fleet Single Deck Bus:
Mercedes-Benz Citaro
Double Deck Bus:
Volvo B9TL
Operating Hours
Departure Times from Woodlands
Weekdays, except Public Holidays
05:36 – 08:36
Fare Information
Fare Charges regular distance fares


Short Trip Service 178A is a trunk service operating from Woodlands Bus Interchange and ends at Woodlands Road (Kranji Stn).

As a Short-Trip Service, the route operates during Weekday Morning Peak hours and supplements the high demand for Bus Service 178 from Woodlands MRT/Interchange to industries around Woodlands Road and Woodlands Industrial Park D, as well as linking residential estates around Marsiling to Kranji MRT station.

MRT Stations Served
Departure Timings
  • From Woodlands Int:
    Weekdays: 05:36, 05:48, 06:00, 06:13, 06:26, 06:40, 07:08, 07:22, 07:51 & 08:36


Operator History:
  • 15 Jul 2013 Present: SMRT Buses Ltd

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

Route History:
  • 2013 (15 Jul): Introduced from Woodlands Reg Int to Woodlands Rd (Kranji Stn) during morning peak hours on weekdays
  • 2016 (12 Mar): Amended to Woodlands Temp Int
  • 2021 (13 Jun): Amended to Woodlands Integrated Transport Hub

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