Trunk Services 990 - 993

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Revision as of 22:15, 5 June 2026 by SG5064X (talk | contribs) (→Service 991: 3519 sticky to 991 since late April, usually seen on the same slot)
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Service 990

Route Depot Fleet Size Operator Bus Package
Bukit Batok Interchange ↺ Jurong Gateway Road Bulim Depot (BUDEP) 7 Tower Transit Bulim
Fleet

Any Single-decker & Double-decker buses

Notes
  • Any 5 SDs & 2 DDs operate on Service 990 on Weekdays.
  • Any 3 SDs & 4 DDs operate on Service 990 on Weekends & Public Holidays.
  • Majority DD fleet on Weekends & Public Holidays.
  • This service is the 33rd bus service introduced under the Land Transport Authority’s (LTA) Bus Service Enhancement Programme (BSEP).
  • This service practises jumpbus.
  • Special Departures:
    • 9.4km Bukit Batok East Avenue 6 (B/S 43519 • Opp Bt Batok Swim Cplx) towards Bukit Batok Interchange
      • Daily: 05:30, 05:38, 05:44, 06:12 (DD - Duty 189A41)
  • Weekdays: 4A–4P / 3S (7 buses)
  • Saturdays: 5A–6P / 2T (7 buses)
  • Sundays & Public Holidays: 6A–7P (7 buses)
  • External Links:

Service 991

Route Depot Fleet Size Operator Bus Package
Bukit Batok Interchange ↔ Choa Chu Kang Interchange Gali Batu Depot (GBDEP) 20 SMRT Buses Choa Chu Kang – Bukit Panjang
Fleet

SG3498R SG3499M SG3519P
3 Zhongtong LCK6126EVG

SG5759A SG5760U SG5765G SG5774E SG5823Y SG5833T SG5834R SG5874A SG5960J SG5961G SG5962D SG6007E SG6008C SG6015G SG6016D SG6021M
16 MAN ND323F (4 Euro V Batch 2 / 4 Euro V Batch 3 / 8 Euro VI Batch 1)

Notes
  • 1 missing SD.
  • 4 DDs perform one (1) short-trip as Short-Trip 991A during Daily PM Off-Peak.
  • 3 DDs perform one (1) short-trip as Short-Trip 991B during Daily PM Off-Peak.
  • Several buses interline to
    • Limited-stop 451 during Weekdays AM & PM Peak.
    • Short-Trip 975A during Weekdays PM Peak & Off-Peak.
  • SG3498R (Block 451-991-20) interlines to
    • Limited-stop 451 during Weekdays AM Peak.
    • Short-Trip 975B for two (2) trips from Choa Chu Kang Avenue 4 (B/S 44531 • Opp Choa Chu Kang Stn) at 18:02 & 19:13.
  • SG3499M (Service 991)
    • interlines to Limited-stop 451 during Weekdays AM & PM Peak.
    • operates on Service 983 on Sundays & Public Holidays.
  • SG5760U interlines to Short-Trip 975A for one (1) trip from Choa Chu Kang Avenue 4 (B/S 44531 • Opp Choa Chu Kang Stn) at 21:33.
  • SG5949T (Service 61: Block 991-61-15), SG5981Z (Service 61: Block 991-61-18) & 1 Service 61 DD (Block 991-61-25) interline to Service 991 during Weekdays AM & PM Peak.
  • Several DDs will operate on Service 190 on Weekends & Public Holidays.
  • Several Service 61 DDs will operate on Service 991 on Weekends & Public Holidays.
  • This service practises jumpbus.
  • Special Departures
    • 8.8km Choa Chu Kang Avenue 1 (B/S 44091 • Choa Chu Kang Mkt) towards Choa Chu Kang Interchange
      • Weekdays: 05:30, 05:40, 05:50
      • Weekends & PH: 05:45
    • 4.3km Choa Chu Kang Avenue 3 (B/S 44079 • Opp Blk 464) towards Bukit Batok Interchange
      • Weekdays: 06:36, 06:43, 06:54
        • Fleet: SG5596C (Service 190: Block 991-190-32) & 2 Service 190 DDs
    • 9.8km Bukit Batok West Avenue 3 (B/S 43349 • Opp Princess E Pr Sch) towards Bukit Batok Interchange
      • Weekdays: 05:30, 05:38, 05:46, 05:54
      • Weekends & PH: 05:30, 05:42, 05:54, 06:06
  • Weekdays: 9 AM - 9 PM / 4 S1 / 7 TBC (20 buses)
  • Weekends & Public Holidays: 9 AM - 9 PM / 2 S2 (11 buses)
  • External Links:

Short-Trip 991A

Route Depot Fleet Size Operator Bus Package
Bukit Batok Interchange → Bukit Batok West Avenue 3 (Princess E Pr Sch) Gali Batu Depot (GBDEP) 4 SMRT Buses Choa Chu Kang – Bukit Panjang
Fleet

Any Double-decker buses

Short-Trip 991A departure times
Departing from Bukit Batok Interchange
Daily 00:15 00:30 00:45 01:00
Notes

Short-Trip 991B

Route Depot Fleet Size Operator Bus Package
Choa Chu Kang Interchange → Choa Chu Kang Avenue 1 (Opp Choa Chu Kang Mkt) Gali Batu Depot (GBDEP) 3 SMRT Buses Choa Chu Kang – Bukit Panjang
Fleet

Any Double-decker buses

Short-Trip 991B departure times
Departing from Choa Chu Kang Interchange
Weekdays 00:17 00:36 00:55
Weekends & Public Holidays 00:18 00:36 00:55
Notes

Service 992

Route Depot Fleet Size Operator Bus Package
Bukit Batok Interchange ↔ Tengah Interchange Bulim Depot (BUDEP) 20 Tower Transit Bulim
Fleet

Any Single-decker & Double-decker buses

Notes
  • 1 Service 177 bus interlines to Service 992 for one (1) trip at 19:11.
  • 1 SD interlines to Feeder 947 for one (1) trip during Weekdays PM Peak.
  • 1 DD interlines to Service 106 for two (2) trips at 06:48 & other unknown hours.
  • 1 SD (Duty 189P51) interlines to Service 992 for two (2) trips at 21:55 and 22:45.
  • This service practices jumpbus.
  • Operating hours are extended on the eves of public holidays to align with the last train at Bukit Batok station.
  • Special Departures
  • Weekdays: 16A–16P / 6S / 2T (20 buses)
  • Saturdays: 10A–10P / 2S (11 buses)
  • Sundays & Public Holidays: 10A–10P (10 buses)
  • External Links:

Service 993

Route Depot Fleet Size Operator Bus Package
Jurong East Interchange ↺ Bukit Batok West Avenue 8 Ulu Pandan Depot (UPDEP) 4 SBS Transit Bukit Merah
Fleet

SBS6704P
1 Mercedes-Benz O530 Citaro (1 Batch 2)

SBS8127S SBS8131D SBS8335H
3 Scania K230UB (2 Euro IV Batch 1 / 1 Euro IV Batch 2)

Notes
Service 993 duty allocation
Weekdays
(3A-3P / 1E) 		A/P SBS6704P, SBS8127S & SBS8131D
E SBS8335H
Weekends & Public Holidays
(3A-3P) 		A/P SBS8042C & 2 other buses

See also

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