Trunk Services 170 - 179

!	TRAVEL ADVISORY					!
	From Sunday, 14 November 2024 to 31 October 2025, Train Services on the Bukit Panjang LRT will end an hour earlier at 22:30 every Thursday to Sunday (except Public Holidays). This is to facilitate the upgrading of the BPLRT signalling system, as well as the testing of the new and retrofitted Light Rail Vehicles (LRVs) on the BPLRT network. Please refer here for more information. From Saturday, 7 December 2024 to 10 December 2024. There will be no train service between Tampines station and Tanah Merah station with Simei station being closed. This is to prepare for the opening of the new East Coast Integrated Depot (ECID) in 2026, LTA and SMRT will be undertaking a series of works to facilitate the connection of tracks from the existing East–West Line to the ECID. Shuttle Buses will be operating at intervals of 5 mins. Please refer here for more information on the adjustments. here for Shuttle Bus and Train arrangements. here for the work map. From Tuesday, 10 December 2024, Punggol Coast station on the North East Line will open. Please refer here for more information. From Monday, 25 November 2024, City Direct Service 674 will be introduced from Tengah Drive to the Central Business District (CBD), operating during morning and evening peak hours. Please refer here for more information. From Monday, 25 November 2024, City Direct Service 666 will be extended to Bayfront Avenue, Temasek Avenue, Temasek Boulevard and Raffles Boulevard. An additional trip will operate during morning peak period and its frequency will be improved from 15 minutes to 10 minutes. Please refer here for more information. From Sunday, 1 December 2024, Compassvale Bus Interchange will close following the opening of Buangkok Bus Interchange. Bus Services 110 , 114 & 156 will be amended to operate from Buangkok Bus Interchange while Bus Service 374 will be amended to operate from Sengkang Interchange. Please refer to the following for more information. From Sunday, 8 December 2024, Bus Services 84G & 84W will each call at an additional bus stop outside and opposite Blk 437B respectively. Please refer here for more information. From Monday, 9 December 2024, Supplementary Bus Service 298X will be introduced to provide a faster connection to the Tampines town centre and transport hub for residents in the Tampines North and west areas. Please refer here for more information.

Service 170

Direction 1	Looping at	Depot	Number of buses	Operator	Bus Package
Queen Street Terminal	Woodlands Centre Road	Ulu Pandan Depot (UPDEP)	13	Template:SBS Transit	Bukit Merah

Fleet
SBS8050D SBS8057K SBS8059E SBS8060A SBS8065L SBS8202H SBS8208S SBS8246G SBS8352H SBS8387H SBS8392S SBS8400C SBS8406L SBS8408G SBS8435C 15 Scania K230UB (5 Euro IV Batch 1 / 10 Euro IV Batch 2)

Notes

2 extra buses. 1 Service 170 SD will perform one (1) down-route trip as Service 170 from Woodlands Centre Road (Bus Stop 46069 - W'lands Train Checkpt) towards Queen Street Terminal before Daily AM Peak. Mondays to Thursdays, Fridays & Saturdays: Departing at 0559 hours. Sundays & Public Holidays: Departing at 0604 hours. Mondays-Thursdays: TBC (13 buses) Fridays: TBC (13 buses) Saturdays: TBC (TBC buses) Sundays & Public Holidays: TBC (TBC buses) Special Weekdays: TBC (TBC buses)

Service 171

Direction 1	Looping at	Depot	Number of buses	Operator	Bus Package
Yishun Interchange	Upper Bukit Timah Road	Ang Mo Kio Depot (AMDEP)	13	Template:SMRT Buses	Sembawang – Yishun

Fleet
SMB25P SMB29D SMB33R SMB35K SMB43L SMB45G SMB46D SMB47B SMB48Z SMB94P SMB100E SMB102A SMB129Z 13 Mercedes-Benz OC500LE (9 Batch 1 / 4 Batch 2) Any Single-decker buses

Notes

4 Service 171 SDs will perform one (1) down-route trip as Service 171 from Jelebu Road (Bus Stop 44731 - Opp Blk 180) towards Yishun Interchange via Upper Bukit Timah Road before Weekdays AM Peak, departing at 0535 hours, 0543 hours, 0552 hours & 0601 hours. All Service 171 buses are deployed on a rotation basis. Weekdays: 10 AM-PM / 3 S1 (13 buses) Weekdays Sch Hols: TBC (TBC buses) Saturdays: 9 AM-PM / 2 S1 / 1 TQ (12 buses) Sundays: 9 AM-PM / 2 TQ (11 buses)

Service 172

Direction 1	Direction 2	Depot	Number of buses	Operator	Bus Package
Choa Chu Kang Interchange	Boon Lay Interchange	Kranji Depot (KJDEP)	20	Template:SMRT Buses	Choa Chu Kang – Bukit Panjang

Fleet
SMB1615E SMB1632E SMB1638P 3 MAN NL323F (3 Euro V Batch 3) SMB2E SMB5Y SMB6U SMB17M SMB19H SMB21A SMB105S 7 Mercedes-Benz OC500LE (6 Batch 1 / 1 Batch 2) SG5800M SG5801K SG5803E SG5806Y SG5813B SG5817R SG5833T SG5834R SG5841U SG5847D SG5884X 11 MAN ND323F (11 Euro V Batch 3)

Notes

1 extra SD. 2 Service 172 buses will perform down-route trips as Service 172 from Choa Chu Kang Avenue 1 (Bus Stop 44091 - Bef Choa Chu Kang Mkt) towards Choa Chu Kang Interchange during Weekdays AM Peak. Majority SD fleet on Saturdays. Majority Service 172 buses park at Bulim Depot (BUDEP). Weekdays: 10 AM-PM / 7 S1 / 3 S2 (20 buses) Saturdays: 9 AM-PM / 3 TQ (12 buses) Sundays: 9 AM - 11 PM (9 - 11 buses)

Service 173

Direction 1	Looping at	Depot	Number of buses	Operator	Bus Package
Bukit Batok Interchange	Clementi Interchange	Bulim Depot (BUDEP)	14	Template:Tower Transit Singapore	Bulim

Fleet
Any Single-decker buses

Notes

6 Service 173 SDs will perform one (1) terminating trip as Short-Trip 173A during Daily PM Off-Peak. Several Service 173 SDs will perform down-route trips as Service 173 from Clementi Interchange towards Bukit Batok Interchange before Sundays & Public Holidays AM Peak, departing between 0600 hours & 0641 hours. Several Service 173 SDs will perform down-route trips as Service 173 from Jalan Jurong Kechil (Bus Stop 42159 - Opp Beauty World Stn) towards Bukit Batok Interchange before Weekdays AM Peak, departing between 0540 hours & 0605 hours. Several Service 173 SDs will perform down-route trips as Service 173 from Upper Bukit Timah Road (Bus Stop 42099 - Beauty World Stn Exit A) towards Bukit Batok Interchange via Clementi Interchange before Weekdays & Saturdays AM Peak. Weekdays: Departing between 0530 hours to 0555 hours. Saturdays: Departing between 0535 hours to 0552 hours. All Service 173 buses departing Bukit Batok Interchange after 2330 hours will operate as Short-Trip 173A. This service practices jumpbus. Weekdays: 9A-9P / 5S (14 buses) Saturdays: TBC (TBC buses) Sundays: TBC (TBC buses)

Short-Trip 173A

Direction 1	Terminating at	Depot	Number of buses	Operator	Bus Package
Bukit Batok Interchange	Bukit Batok East Avenue 4 (Blk 254)	Bulim Depot (BUDEP)	6	Template:Tower Transit Singapore	Bulim

Fleet
Any Single-decker buses

Short-Trip 173A departure times

Departing from Bukit Batok Interchange
Weekdays	23:45 to 01:10
Weekends & Public Holidays	23:48 to 01:10

Notes
6 Service 173 SDs will perform one (1) terminating trip as Short-Trip 173A during Daily PM Off-Peak.

Service 174

Direction 1	Direction 2	Depot	Number of buses	Operator	Bus Package
Boon Lay Interchange	Kampong Bahru Terminal	Soon Lee Bus Park (SLBP)	24	Template:SBS Transit	Clementi

Fleet

SBS6699X 1 Mercedes-Benz O530 Citaro (1 Batch 2) SBS8034B SBS8055R SBS8070X SBS8105E SBS8203E SBS8987B SBS8990R 7 Scania K230UB (4 Euro IV Batch 1 / 1 Euro IV Batch 2 / 2 Euro V Batch 1) SG5880G SG5881D 2 MAN ND323F (2 Euro V Batch 3) SBS3268B SBS3691L SBS3772L SBS3776B SBS3845K SBS7434L SBS7472B SBS7507K SBS7510A SBS7511Y SBS7555X SBS7576K SBS7582S SBS7587D SBS7591R 15 Volvo B9TL (2 CDGE / 8 WEG2 Batch 1 / 5 WEG2 Batch 3)

Notes

1 extra SD. 1 Service 174 bus will perform one (1) down-route trip as Service 174 from Dunearn Road (Bus Stop 41049 - Opp Coronation Plaza) towards Kampong Bahru Terminal before Saturdays AM Peak, departing at 0600 hours. 1 Service 174 bus will perform one (1) down-route trip as Service 174 from Dunearn Road (Bus Stop 42059 - Opp King Albert Pk Stn) towards Kampong Bahru Terminal during Weekdays AM Peak, departing at 0757 hours. 1 Service 174 bus will perform one (1) down-route trip as Service 174 from Farrer Road (Bus Stop 11101 - Farrer Rd Mkt) towards Boon Lay Interchange before Saturdays AM Peak, departing at 0600 hours. 2 Service 174 buses will perform one (1) down-route trip as Service 174 from Dunearn Road (Bus Stop 41049 - Opp Coronation Plaza) towards Kampong Bahru Terminal before Weekdays AM Peak, departing at 0546 hours & 0600 hours. 2 Service 174 buses will perform one (1) down-route trip as Service 174 from Farrer Road (Bus Stop 11101 - Farrer Rd Mkt) towards Boon Lay Interchange before Weekdays AM Peak, departing at 0545 hours & 0600 hours. 4 Service 174 buses will perform one (1) down-route trip as Service 174 from Bukit Batok East Avenue 6 (Bus Stop 43191 - Blk 288C) towards Boon Lay Interchange during Weekdays AM Peak, departing at 0631 hours, 0647 hours, 0653 hours & 0707 hours. SBS6692P, SBS8048L & SBS8898A (Express 174e) will perform supplementary trips as Service 174 during Weekdays AM Off-Peak. SBS3064Y, SBS3856D, SG5348C (Express 506) & SG6047P (Service 157) will operate on Service 174 on Weekends & Public Holidays. Mondays-Thursdays: TBC (24 buses) Fridays: TBC (TBC buses) Weekdays Sch Hols: TBC (23 buses) Saturdays: 14AM-17PM / 1E / 6T (24 buses) Sundays & Public Holidays: 18AM-20PM (20 buses) Special Weekdays: TBC (24 buses)

Service 175

Direction 1	Direction 2	Depot	Number of buses	Operator	Bus Package
Clementi Interchange	Lorong 1 Geylang Terminal	Bukit Batok Depot (BBDEP)	19	Template:SBS Transit	Clementi

Fleet
SBS6022Z SBS6039B SBS6040X SBS6041T SBS6048A SBS6123R SBS6212S SBS6242E SBS6281S SBS6631R SG1141H 11 Mercedes-Benz O530 Citaro (9 Batch 1 / 1 Batch 2 / 1 Batch 3) SBS5177S SBS8118T SBS8138K SBS8632A SBS8693Z SBS8766Y SBS8826H SBS8889B SBS8947S 9 Scania K230UB (2 Euro IV Batch 1 / 6 Euro V Batch 1 / 1 Euro V Batch 2)

Notes

1 extra SD. 3 Service 175 SDs will perform one (1) down-route trip as Service 175 from Jalan Bukit Merah (Bus Stop 10071 - Blk 111) towards Clementi Interchange before & during Weekdays AM Peak, departing at 0610 hours, 0621 hours & 0633 hours. SBS6849E & SG1140K (City Direct 667) will perform crossover trips on Service 175 during Weekdays AM Off-Peak. Mondays-Thursdays: 11AM-10PM / 9S (19 buses) Fridays: 12AM-13PM / 1E / 5S (19 buses) Saturdays: 12AM-13PM / 2T (15 buses) Sundays & Public Holidays: 12AM-12PM / 1S / 1T (14 buses) Special Weekdays: 11AM-10PM / 6S / 2T (19 buses)

Service 176

Direction 1	Direction 2	Depot	Number of buses	Operator	Bus Package
Bukit Panjang Interchange	Bukit Merah Interchange	Kranji Depot (KJDEP)	26	Template:SMRT Buses	Choa Chu Kang – Bukit Panjang

Fleet

SMB1378P 1 MAN NL323F (1 Euro V Batch 2) SMB12B SMB13Z SMB14X SMB15T SMB16R SMB28G SMB30Z SMB36H SMB56A SMB57Y SMB58U SMB59S SMB103Y SMB126G SMB128B 15 Mercedes-Benz OC500LE (12 Batch 1 / 3 Batch 2) SMB3572G SMB3613Y SMB3614U SMB5047T 4 Alexander Dennis Enviro500 (4 Batch 1) SG5765G SG5767B SG5768Z SG5947Z 4 MAN ND323F (3 Euro V Batch 2 / 1 Euro VI Batch 1) SG5454D SG5497E SG5498C SG5499A SG5586G SG5587D SG5600Z SG5601X 8 Volvo B9TL (8 WEG2 Batch 4)

Notes

6 extra Mercedes-Benz OC500LE buses. 1 Service 176 DD & 1 Service 176 SD will perform one (1) down-route trip as Service 176 from Jurong Town Hall Road (Bus Stop 20261 - Aft Pandan Gdns) towards Bukit Panjang Interchange before Saturdays AM Peak, departing at 0550 hours & 0603 hours respectively. 1 Service 176 SD & 3 Service 176 DDs will perform one (1) down-route trip as Service 176 from Jurong Town Hall Road (Bus Stop 20261 - Aft Pandan Gdns) towards Bukit Panjang Interchange before Weekdays AM Peak, departing at 0558 hours, 0550 hours, 0606 hours & 0614 hours respectively. 2 Service 176 DDs will perform one (1) down-route trip as Service 176 from Bukit Batok Avenue 1 (Bus Stop 43699 - Blk 298) towards Bukit Merah Interchange before Weekdays AM Peak, departing at 0530 hours & 0539 hours. 2 Service 176 DDs will perform one (1) down-route trip as Service 176 from Hillview Road (Bus Stop 43279 - Aft Hillview Stn) towards Bukit Merah Interchange before Weekdays AM Peak, departing at 0530 hours & 0537 hours. 2 Service 176 SDs will perform one (1) down-route trip as Service 176 from Jurong Town Hall Road (Bus Stop 20261 - Aft Pandan Gdns) towards Bukit Panjang Interchange before Sundays & Public Holidays AM Peak, departing at 0550 hours & 0603 hours. Full SD fleet on Sundays & Public Holidays. Majority Service 176 buses park at Ulu Pandan Depot (UPDEP). Weekdays: 18 AM-PM / 6 S1 / 2 S2 (26 buses) Saturdays: 15 AM-PM / 4 TQ (19 buses) Sundays: 14 AM-PM / 2 TQ (16 buses)

Service 177

Direction 1	Looping at	Depot	Number of buses	Operator	Bus Package
Bukit Batok Interchange	Jelebu Road	Bulim Depot (BUDEP)	6	Template:Tower Transit Singapore	Bulim

Fleet
Any Single-decker buses

Notes
Several Service 177 SDs will perform crossover trips on Feeder 945 during Weekdays AM Off-Peak. This service only operates between 0550 hours - 0840 hours & 1620 hours - 1820 hours on Weekdays. Weekdays: 6S (6 buses)

Service 178

Direction 1	Direction 2	Depot	Number of buses	Operator	Bus Package
Woodlands Temporary Interchange	Boon Lay Interchange	Woodlands Depot (WLDEP)	19	Template:SMRT Buses	Woodlands

Fleet
SMB317Y SMB318U SMB319S SMB334Y SMB1373C 4 MAN NL323F (4 Euro V Batch 1 / 1 Euro V Batch 2) SMB139U SMB140P SMB145B SMB148T SMB150K SMB151H SMB152E SMB153C SMB155Y SMB158P SMB159L SMB165T 13 Mercedes-Benz O530 Citaro (13 Batch SMRT) SG5529Y SG5530S 2 Volvo B9TL (2 WEG2 Batch 4)

Notes

1 missing SD. Several Service 178 buses will perform down-route trips as Service 178 from Woodlands Centre Road (Bus Stop 46069 - W'lands Train Checkpt) towards Woodlands Temporary Interchange before Daily AM Peak. Weekdays: Departing between 0530 hours & 0658 hours. Saturdays: Departing between 0530 hours & 0651 hours. Sundays & Public Holidays: Departing between 0535 hours & 0701 hours. Several Service 178 SDs will perform supplementary trips as Short-Trip 178A before & during Weekdays AM Peak & AM Off-Peak. Full SD fleet on Weekends & Public Holidays. Weekdays: 14 AM-PM / 3 S1 / 2 S2 (19 buses) Weekends: 14 AM-PM / 2 TQ (16 buses)

Short-Trip 178A

Direction 1	Terminating at	Depot	Number of buses	Operator	Bus Package
Woodlands Temporary Interchange	Woodlands Road (Kranji Stn)	Woodlands Depot (WLDEP)	TBC	Template:SMRT Buses	Woodlands

Fleet
Any Single-decker buses

Short-Trip 178A departure times

Departing from Woodlands Temporary Interchange
Weekdays	05:36 06:13 06:26 07:08 07:52 08:36

Notes
Several Service 178 SDs will perform supplementary trips as Short-Trip 178A before & during Weekdays AM Peak & AM Off-Peak.

Service 179

Direction 1	Looping at	Depot	Number of buses	Operator	Bus Package
Boon Lay Interchange	Nanyang Drive	Soon Lee Bus Park (SLBP)	30	Template:SBS Transit	Jurong West

Fleet
SBS3132J SBS3134D SBS3143C SBS3146U SBS3181S SBS3203M SBS3205H SBS3621P SBS3622L SBS3623J SBS3628X SBS3629T SBS3630M SBS3634C SBS3635A SBS3642D SBS3643B SBS3648M SBS3657L SBS3659G SBS3660B SBS3893X SBS7508H SBS7521T SBS7726U 25 Volvo B9TL (2 WEG2 Batch 1 / 8 WEG2 Batch 2 / 15 WEG2 Batch 3)

Notes

5 missing DDs. Original fleet size: 30 buses. 1 Feeder 241 DD - Duty 11P will perform two (2) crossover trips on Service 179 during Weekdays PM Peak (except Nanyang Technological University (NTU) vacations). 1 Service 179 DD will perform crossover trips on Short-Trip 241A during Weekdays AM Peak. 1 Service 179 DD will perform two (2) down-route trips as Service 179 from Lien Ying Chow Drive (Bus Stop 27281 - Hall 1) during Weekdays PM Off-Peak, departing at 2139 hours & 2217 hours. 2 Service 179 DDs will perform crossover trips on Service 193 during Weekdays AM Peak & PM Peak. SBS3627Z (Feeder 242) will perform crossover trips on Service 179 during Weekdays AM Peak. SBS3622L (Service 179) will perform crossover trips on Feeder 241 during Weekdays AM Peak. SBS3629T, SBS3630M & 1 other Service 179 DD will perform crossover trips on Short-Trip 241A during Weekdays AM Peak & AM Off-Peak. perform crossover trips on Feeder 241 during Weekdays PM Peak. Several Service 179 DDs will perform down-route trips as Service 179 from Pioneer Road North (Bus Stop 27329 - Blk 840) towards Boon Lay Interchange before Daily AM Peak & during Sundays & Public Holidays AM Peak. Several Service 179 DDs will perform down-route trips as Service 179A from Lien Ying Chow Drive (Bus Stop 27281 - Hall 1) during Weekdays AM Off-Peak, PM Peak & PM Off-Peak. Several Service 179 DDs will perform down-route trips as Service 179A from Nanyang Drive (Bus Stop 27231 - Wee Kim Wee Sch of C&I) during Weekdays AM Off-Peak, PM Peak & PM Off-Peak. Several Service 179 DDs will perform supplementary trips as Service 179A during Weekdays AM Peak. Any 2 Single-decker buses will operate on Service 179 on Weekends & Public Holidays. Weekdays: TBC (30 buses) Weekdays Sch Hols: TBC (25 buses) Saturdays: TBC (TBC buses) Sundays & Public Holidays: TBC (TBC buses) Special Weekdays: TBC (30 buses)

Service 179A

Direction 1	Looping at	Depot	Number of buses	Operator	Bus Package
Boon Lay Interchange	Nanyang Drive	Soon Lee Bus Park (SLBP)	2 – 4	Template:SBS Transit	Jurong West

Fleet
Any Double-decker buses

Notes

Several Service 179 DDs will perform down-route trips as Service 179A from Lien Ying Chow Drive (Bus Stop 27281 - Hall 1) during Weekdays AM Off-Peak, PM Peak & PM Off-Peak. Several Service 179 DDs will perform down-route trips as Service 179A from Nanyang Drive (Bus Stop 27231 - Wee Kim Wee Sch of C&I) during Weekdays AM Off-Peak, PM Peak & PM Off-Peak. Several Service 179 DDs will perform supplementary trips as Service 179A during Weekdays AM Peak. This service does not stop along Jurong West Street 63 & Pioneer Road North. This service does not operate during Nanyang Technological University (NTU) vacations.