SMRT Bus Service 991C was a Short-Trip Service variant of Bus Service 991.
The route operated from Choa Chu Kang Avenue 3 (Opp Blk 464) and ended at Bukit Gombak MRT, operating only during the morning peak hours on Weekdays.
→ Bt Gombak Stn
| Route Overview | ||||||||||||
Route  |
Choa Chu Kang Avenue 3 (Opp Blk 464) → Bukit Batok West Avenue 5 (Bt Gombak Stn) | |||||||||||
| Passed Through | Brickland Rd | |||||||||||
| Route Length | 3.0 km | |||||||||||
| Travelling Time | 18 mins | |||||||||||
| Operator Information | ||||||||||||
| BCM Route Package | Choa Chu Kang – Bukit Panjang Bus Package | |||||||||||
| Former Operator | SMRT Buses Ltd | |||||||||||
| Former Depot | Gali Batu Bus Depot | |||||||||||
| Former Fleet | Single-deck & Double-deck buses | |||||||||||
| Operating Hours | ||||||||||||
| Departure Times from Choa Chu Kang Ave 3 |
Weekdays (except Public Holidays) |
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| 06:18 – 08:08 | ||||||||||||
| Fare Information |
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| Fare | Charges regular distance fares |
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Short Trip Service 991C was a trunk service operating from Choa Chu Kang Avenue 3 (Opp Blk 464) and ended at Bukit Batok West Avenue 5 (Bt Gombak Stn).
As a Short-Trip Service, the route operated during morning peak hours on Weekdays and supplemented the high demand for Bus Service 991 from residential estates along Choa Chu Kang Ave 3, Brickland Road and Bukit Batok West Avenue 5 heading for Bukit Gombak MRT.
Service 991C was withdrawn with the introduction of Service 451 between Keat Hong Link at Bukit Gombak MRT, via Choa Chu Kang Ave 3 & Brickland Rd on 17 Nov 2025.
MRT Station Served
- NS3 Bukit Gombak
Departure Timings
Weekdays (except Public Holidays)
- From Choa Chu Kang Ave 3 (Opp Blk 464):
06:18, 06:25, 06:31, 06:41, 06:51, 07:03, 07:13, 07:19, 07:24, 07:31, 07:39, 07:44, 07:52, 08:00 & 08:08
Gallery
Poster Gallery
Operator History
- 26 Oct 2020 – 14 Nov 2025: SMRT Buses Ltd
Route History
- 2020 (26 Oct): Introduced from Choa Chu Kang Ave 3 (Opp Blk 464) to Bukit Batok West Ave 5 (Bt Gombak Stn) during morning peak hours on Weekdays.
- 2025 (17 Nov): Renumbered and enhanced into new Bus Service 451. Last day of service on 14 Nov 2025.
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Instead of spamming bendies on 302, maybe SMRT can consider deploying A24s on this short-trip service given its short distance. Also hear that 991 has an issue whereby many commuters crowd in the lower deck while there are still plenty of seats on the upper deck, leaving some commuters unable to board and having to wait for the next bus. Hence, bendies would definitely and significantly help ease commuter flow by ensuring that most (if not all) passengers are able to board and not have to be delayed because of this.