SMRT Bus Service 991A

SMRT Bus Service 991A is a Short-Trip Service variant of Bus Service 991.

The route operates from Bukit Batok Bus Interchange and ends at Bukit Batok West Avenue 3 (Princess E Pr Sch), operating daily, after the last bus of Service 991 has departed.

Bt Batok Int
→ Princess E Pr Sch
43009 Bt Batok Int A15-A16 NS2 Bt Batok Ctrl
43419 Aft Bt Batok Stn/Blk 628 NS2 Bt Batok Ctrl
43401 Bt Batok Polyclinic Bt Batok West Ave 3
43321 Opp Blk 144 Bt Batok West Ave 6
43331 Opp Bt Batok Presby Ch Bt Batok St 11
43341 Princess E Pr Sch Bt Batok West Ave 3
Route Overview
Route WAB_logo_20px Bukit Batok Bus InterchangeBukit Batok West Avenue 3 (Princess E Pr Sch)
Passes Through Bukit Batok St 11
Route Length 1.8 km
Traveling Time 8 mins
Operator Information
BCM Route Package Choa Chu Kang – Bukit Panjang Bus Package
Current Operator SMRT Buses Ltd
Current Depot Kranji Bus Depot (KJDEP)
Buses park at: Bulim Bus Depot (BUDEP)
Current Fleet Double Deck Bus:
Alexander Dennis Enviro500
Operating Hours
Departure Times from Bukit Batok
00:15 – 01:00
Fare Information
Fare Charges regular distance fares


Short Trip Service 991A is a trunk service operating from Bukit Batok Bus Interchange and ends at Bukit Batok West Avenue 3 (Princess E Pr Sch).

The Short-Trip Service offers unidirectional trips serving the Choa Chu Kang estate during the late night hours (after the last bus of Bus Service 991 has departed), without having to operate full-distance trips of Service 991.

MRT Station Served
Departure Timings
  • From Bukit Batok Interchange:
    Daily: 00:15, 00:30, 00:45 & 01:00


Operator History:
  • 08 Jul 2018  Present: SMRT Buses Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2023 under the Choa Chu Kang–Bukit Panjang Bus Package.

  • 2018 (08 Jul): Introduced as a short-trip service from Bt Batok Int to Bt Batok West Ave 3 (Princess E Pr Sch), operating after the last bus of Service 991 daily. Wheelchair-accessible at launch.

Back to Bus Service 991
Back to Bus Services
Back to Bus Articles

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