Tower Transit Bus Service 974A is a Short-Trip Service variant of Bus Service 974, operating from Joo Koon Int and ends at Choa Chu Kang Avenue 4 (Lot 1/Choa Chu Kang Stn) daily. Bus Service 974A commenced operations on 13 January 2019.
Bus Service 974A was extended to start from Joo Koon Int and end at Choa Chu Kang Ave 4 (Lot 1/Choa Chu Kang Stn) via Bukit Panjang from 23 Jan 2021.

Route Overview | ||||||||||||
Route ![]() |
Joo Koon Bus Interchange → Choa Chu Kang Ave 4 (Lot 1/Choa Chu Kang Stn) | |||||||||||
Passes Through | Upp Jurong Rd, Jurong West St 63, Jln Boon Lay, Choa Chu Kang Way, Bt Panjang Rd | |||||||||||
Route Length | 21.0 km | |||||||||||
Traveling Time | 53 mins | |||||||||||
Operator Information | ||||||||||||
BCM Route Package | Choa Chu Kang – Bukit Panjang Bus Package (Negotiated Contract) |
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Current Operator | Tower Transit Singapore Pte Ltd (Tower Transit Singapore) |
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Current Depot | Bulim Bus Depot | |||||||||||
Current Fleet | 12-metre Single Deck Bus – MAN A22 – Mercedes-Benz Citaro – Yutong E12 |
12-metre Double Deck Bus – Alexander Dennis Enviro500 – Volvo B9TL |
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Operating Hours | ||||||||||||
Departure Times from Joo Koon |
Daily | |||||||||||
23:00 – 23:30 | ||||||||||||
Fare Information |
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Fare | Charges regular distance fares |
Short Trip Service Service 974A is a trunk service operating from Joo Koon Int and ends at Choa Chu Kang Ave 4 (Lot 1/Choa Chu Kang Stn), via Bukit Panjang MRT.
As a Short-Trip Service, the route operates daily and supplements the Bukit Panjang and Choa Chu Kang sectors of existing Bus Service 974 during the late night hours, as train services on the Bukit Panjang LRT end earlier from 13 January 2019 to allow for accelerated rail renewal work.
After terminating at Choa Chu Kang Ave 4 (Lot 1/Choa Chu Kang Stn), several Service 974A buses will turn around and perform special departures of Bus Service 974A from Choa Chu Kang Ave 4 (Opp Choa Chu Kang Stn).
During Eves of Public Holidays, as well as MRT Early Closure affecting Choa Chu Kang MRT Station, operating hours from Bus Stop 44531 – Opp Choa Chu Kang Stn, Choa Chu Kang Avenue 4 will be extended. Exact last bus hours are announced by Tower Transit closer to these dates.
MRT/LRT Stations Served:
- EW29 Joo Koon
- EW28 Pioneer
- EW27 Boon Lay
- NS4BP1 Choa Chu Kang
- BP2 South View
- BP3 Keat Hong
- BP4 Teck Whye
- BP5 Phoenix
- BP6–DT1 Bukit Panjang
Departure Timings
- From Joo Koon Int:
Daily: 23:00, 23:15, 23:30
Special Departures
- Choa Chu Kang Ave 4 (Opp Choa Chu Kang Stn) → Choa Chu Kang Ave 4 (Lot 1/Choa Chu Kang Stn)
Daily: 00:17 – 01:05
Gallery






Operator History:
- 13 Jan 2019 – Present: Tower Transit Singapore Pte Ltd
The Bus Service Operating License (BSOL) for this route will be renewed in 2023 under the Choa Chu Kang – Bukit Panjang Bus Package.
Route History:
- 2019 (13 Jan): Introduced from Upp Bt Timah Rd (Bt Panjang Stn Exit A/LRT) to Choa Chu Kang Ave 4 (Lot 1 Shoppers’ Mall), operating after the last bus of Service 974 daily
- 2021 (23 Jan): Extended to start from Joo Koon Int and loop at Bukit Panjang MRT, terminating at Choa Chu Kang Ave 4 (Lot 1/Choa Chu Kang Stn) with the closure of Bt Panjang Temp Bus Pk
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