==Service 20==
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] ↺ Changi Business Park Ctrl 3|Bedok North Depot (BNDEP)|10|SBST|Tampines|
Fleet=
'''SBS8219K SBS8262J''' 
2 Scania K230UB ''(2 Euro IV Batch 2)''

'''SBS3009H SBS3033L SBS7530S SBS7563Y SG5403B SG5404Z SG5405X SG5571Z''' 
8 Volvo B9TL ''(2 WEG2 Batch 1 / 2 WEG2 Batch 2 / 4 WEG2 Batch 4)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* '''Several DDs''' will operate on Service 81 on Weekends & Public Holidays.
* '''SBS8270K (Feeder 292), SBS8290C (Service 31), SG1897K (Service 81) & several random SDs''' will operate on Service 20 on Weekends & Public Holidays.
* Full SD fleet on Weekends & Public Holidays.
* '''Weekdays:''' 7A-7P / 3S (10 buses)
* '''Saturdays:''' 8A-8P / 2T (10 buses)
* '''Sundays & Public Holidays:''' 8A-7P / 2S (10 buses)
* '''Special Weekdays:''' 7A-5P / 1E / 2S (10 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=20 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=20 SimplyGo eGuide]
** [https://busrouter.sg/#/services/20 Bus Service Route Map]
|}

===Short-Trip 20A===
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] → Changi Sth Ave 1 (Expo Stn Exit B)|Bedok North Depot (BNDEP)|2|SBST|Tampines|
Fleet=
'''Volvo B9TL buses'''
}}
{|class="wikitable" style="text-align:center; width:50%;"
|+ Short-Trip 20A departure times
|-
!colspan="2"|Departing from {{Int|Tampines}}
|-
!Weekdays
|07:08 07:47 08:26
|}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=20A Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/20A Bus Service Route Map]
|}

==Service 21==
{{BD/Norm|class=SBST|[[Pasir Ris Bus Interchange|Pasir Ris Interchange]] ↔ [[Saint Michael's Bus Terminal|St. Michael's Terminal]]|Hougang Depot (HGDEP) Bedok North Depot (BNDEP)|29 Hougang: 21 Bedok North: 8|SBST|Bishan – Toa Payoh|
Fleet=
''(Hougang Depot)'' 
'''SBS6014Y SBS6624L''' 
2 Mercedes-Benz O530 Citaro ''(1 Batch 1 / 1 Batch 2)''

'''SBS5023C SBS5109P SBS8280G SBS8287M SBS8289H SBS8816L SBS8823R SBS8830U''' 
8 Scania K230UB ''(3 Euro IV Batch 2 / 3 Euro V Batch 1 / 2 Euro V Batch 2)''

'''SG6042C SG6222A SG6223Y SG6233T SG6261L''' 
5 MAN ND323F ''(1 Euro VI Batch 1 / 4 Euro VI Batch 2)''

'''SBS3158K SBS3186D SBS3726X SBS3847E SBS3904Z SG5118A''' 
6 Volvo B9TL ''(2 WEG2 Batch 2 / 3 WEG2 Batch 3 / 1 WEG2 Batch 4)''

''(Bedok North Depot)'' 
'''SBS6637A''' 
1 Mercedes-Benz O530 Citaro ''(1 Batch 2)''

'''SBS8230B SBS8532E SBS8662M SBS8667A''' 
4 Scania K230UB ''(2 Euro IV Batch 2 / 2 Euro V Batch 1)''

'''SBS3013U SBS7668D SG5023P''' 
3 Volvo B9TL ''(1 WEG2 Batch 1 / 1 WEG2 Batch 2 / 1 WEG2 Batch 4)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* Full DD fleet for BNDEP on Weekends & Public Holidays.
* Majority DD fleet for HGDEP on Sundays & Public Holidays.
* '''Weekdays:''' Hougang 12A-12P / 7S / 2T; Bedok North 7A-6P / 1S (29 buses)
* '''Saturdays:''' Hougang 12A-15P / 1T; Bedok North 7A-7P (23 buses)
* '''Sundays & Public Holidays:''' Hougang 8A-10P / 2S / 6T; Bedok North 6A-7P (25 buses)
* '''Special Weekdays:''' Hougang 12A-12P / 3E / 4S; Bedok North 6A-6P / 1E / 1T (28 buses)
* '''Special Saturdays:''' Hougang 11A-13P / 2T; Bedok North 7A-8P (24 buses)
* '''Special Sundays:''' Hougang 9A-11P / 3S / 3T; Bedok North 6A-7P (25 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=21 Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/21 Bus Service Route Map]
|}
{|class="wikitable mw-collapsible mw-collapsed" style="text-align:center"
!colspan=3|Service 21 duty allocation
|-
!colspan=3|Hougang
|-
!rowspan=6|Weekdays (12A-12P / 7S / 2T)
|-
!A/P
|SBS3158K, SBS3186D, SBS3847E, SBS3904Z, SBS5023C, SBS6014Y, SG6223Y, SG6233T & SG6261L
|-
!A-S
|SBS5109P
|-
!S-P
|SG5118A
|-
!S
|SBS6624L, SBS8280G, SBS8287M, SBS8289H, SBS8816L
|-
!T
|SBS8823R & SBS8830U
|-
!rowspan=4|Saturdays (12A-15P / 1T)
|-
!A/P
|SBS5023C, SBS8287M, SBS3158K, SBS3186D, SBS3847E, SBS3904Z, SG5118A, SG6042C, SG6222A, SG6223Y & SG6261L
|-
!P
|SBS8823R, SG6233T
|-
!T
|SBS3726X
|-
!rowspan=5|Sundays & Public Holidays (8A-10P / 2S / 6T)
|-
!A/P
|SG6024C, SBS6014Y, SBS6624L, SG6222A, SG6223Y, SG6233T & SG6261L
|-
!P
| SBS3726X, SBS3847E
|-
!S
| SBS3158K & SG5118A
|-
!T
|SBS3186D, SBS3904Z
|-
!colspan=3|Bedok North
|-
!rowspan=4|Weekdays (7A-6P / 1S)
|-
!A/P
|SBS3013U, SBS6637A, SBS7668D, SBS8532E, SBS8662M & SG5023P
|-
!A
|SBS8230B
|-
!S
|SBS8667A
|-
!rowspan=2|Saturdays (7A-7P)
|-
!A/P
|SBS3013U, SBS7668D, SG5023P & 4 random DDs
|-
!rowspan=3|Sundays & Public Holidays (6A-7P)
|-
!A/P
|SBS3013U, SBS7668D, SG5023P & 3 random DDs
|-
!P
|Random DD
|-
|}

===Short-Trip 21A===
{{BD/Norm|class=SBST|Geylang Rd (Bef Lor 18 Geylang) → Kitchener Rd (Bef Tai Hoe Hotel)|Hougang Depot (HGDEP)|4|SBST|Bishan – Toa Payoh|
Fleet=
'''SBS3186D''' 
1 Volvo B9TL ''(1 WEG2 Batch 2)''
}}
{|class="wikitable" style="text-align:center; width:50%;"
|+ Short-Trip 21A departure times
|-
!colspan="2"|Departing from Geylang Rd (Bef Lor 18 Geylang)
|-
!Sundays
|16:52 17:11 17:22 17:42 18:00
|}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=21A Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/21A Bus Service Route Map]
|}

==Service 21X==
{{BD/Norm|class=SBST|[[Saint Michael's Bus Terminal|St. Michael's Terminal]] ↺ Thomson Rd (Novena Stn)|Hougang Depot (HGDEP)|5|SBST|Bishan – Toa Payoh|
Fleet=
'''SBS6723J SBS6726B SBS6727Z SBS6728X SBS6729T''' 
5 Mercedes-Benz O530 Citaro ''(5 Batch 2)''
}}
{|class="wikitable" style="text-align:center; width:50%;"
|+ Short-Trip 21X departure times
|-
!colspan="2"|Departing from {{Ter|Saint Michael's}}
|-
!Weekdays
|06:30 06:41 06:51 07:00 07:10 07:20 07:30 07:40 07:51 08:01 08:11 08:22 08:33 08:42 08:53 09:05 09:17 09:30 09:45 10:00 16:15 16:28 16:41 17:07 17:20 17:33 17:55 18:05 18:16 18:26 18:36 18:46 18:56 19:07 19:16 19:25 19:34 19:45</div>
|}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=21A Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/21A Bus Service Route Map]
|}

==Service 22==
{{BD/Norm|class=SBST|[[Ang Mo Kio Bus Interchange|Ang Mo Kio Interchange]] ↔ [[Eunos Bus Interchange|Eunos Interchage]]|Sengkang West Depot (SWDEP)|14|SBST|Serangoon – Eunos|
Fleet=
'''SBS5010P SBS5069X SBS5071M SBS8080S SBS8259U SBS8343J SBS8383T SBS8493J SBS8540G SBS8606B SBS8777R SBS8839X''' 
12 Scania K230UB ''(1 Euro IV Batch 1 / 5 Euro IV Batch 2 / 3 Euro V Batch 1 / 3 Euro V Batch 2)''

'''SBS3885U''' 
1 Volvo B9TL ''(1 WEG2 Batch 3)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* 1 missing SD.
* Full SD fleet on Sundays & Public Holidays.
* This service practises jumpbus.
* '''Weekdays:''' 9A-9P / 5S / 2T (14 buses)
* '''Saturdays:''' 10A-10P / 1T (11 buses)
* '''Sundays & Public Holidays:''' 8A-9P / 1T (10 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=22 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=22 SimplyGo eGuide]
** [https://busrouter.sg/#/services/22 Bus Service Route Map]
|}

==Service 23==
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] ↺ Rochor Canal Rd|Bedok North Depot (BNDEP)|15|SBST|Tampines|
Fleet=
'''SG6333M SG6339Y SG6343J SG6352H SG6353E SG6361G''' 
6 Alexander Dennis Enviro500 ''(3 Door)''

'''SG5832X SG5838E SG5882B SG6060A SG6161S SG6182G SG6192C''' 
7 MAN ND323F ''(3 Euro V Batch 2 / 4 3-Door)''
}}

{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* 2 missing MAN NL323F buses.
* '''SBS3837J & SBS3897K (Express 10e)''' will perform crossover trips on Service 23 during Weekdays AM Off-Peak.
* This service practises jumpbus on Weekdays.
* '''Several DDs''' practice overnight parking at '''Tampines Interchange'''.
* '''Weekdays:''' 6A-7P / 8S (15 buses)
* '''Saturdays:''' 7A-9P / 2S / 2T (13 buses)
* '''Sundays & Public Holidays:''' 6A-10P / 3T (13 buses)
* '''Special Weekdays:''' 8A-6P / 2E / 5S / 1T (15 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=23 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=23 SimplyGo eGuide]
** [https://busrouter.sg/#/services/23 Bus Service Route Map]
|}

==Service 24==
{{BD/Norm|class=SBST|[[Ang Mo Kio Bus Interchange|Ang Mo Kio Interchange]] ↺ [[Changi Airport Terminal 2 Bus Terminal|Changi Airport Terminal 2]]|Seletar Depot (SEDEP)|24|SBST|Seletar|
Fleet=
'''SG1815Y SG1820G''' 
2 MAN NL323F ''(2 Euro VI)''

'''SBS6579J SBS6585R SBS6593S SBS6598D SBS6626G SBS6882H SBS6884C SBS6885A SBS6886Y SBS6887U SG1087G SG1096E SG1099Y SG1147S SG1167J SG1171X SG1172T SG1236T''' 
18 Mercedes-Benz O530 Citaro ''(1 Batch 2 / 17 Batch 3)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* Down-route from Airport Boulevard (Bus Stop 95159 - Near SATS Flight Kitchen) towards {{Int|Ang Mo Kio}}:
** '''1 bus''' will perform one (1) down-route trip before Weekdays AM Peak, departing at 0555 hours.
* Down-route from New Upper Changi Road (Bus Stop 84031 - Bedok Stn Exit B) towards {{Int|Ang Mo Kio}} via Changi Airport Terminal 2:
** '''2 buses''' will perform one (1) down-route trip before Weekdays AM Peak, departing at 0540 hours and 0549 hours.
** '''1 bus''' will perform one (1) down-route trip before Weekends & Public Holidays AM Peak, departing at 0540 hours.
* Down-route from New Upper Changi Road (Bus Stop 84059 - Blk 65) towards {{Int|Ang Mo Kio}} via Changi Airport Terminal 2:
** '''1 bus''' will perform one (1) down-route trip before Weekdays AM Peak, departing at 0600 hours.
** '''5 buses''' will perform one (1) down-route trip before & during Saturdays AM Peak, departing at 0600 hours, 0609 hours, 0618 hours, 0628 hours & 0647 hours.
** '''3 buses''' will perform one (1) down-route trip before & during Sundays & Public Holidays AM Peak, departing at 0600 hours, 0616 hours & 0632 hours.
* Down-route from Upper Paya Lebar Road (Bus Stop 62059 - Blk 161) towards {{Int|Ang Mo Kio}} via Changi Airport Terminal 2:
** '''2 buses''' will perform one (1) down-route trip as Service 24 before Weekdays AM Peak, departing at 0530 hours & 0539 hours.
** '''2 buses''' will perform one (1) down-route trip as Service 24 before Weekends & Public Holidays AM Peak, departing at 0530 hours & 0537 hours.
* Down-route from Terminal 1 Basement (Bus Stop 95029 - Changi Airport Ter 1) towards {{Int|Ang Mo Kio}} via Changi Airport Terminal 2:
** '''3 buses''' will perform one (1) down-route trip before Weekdays AM Peak, departing at 0545 hours, 0551 hours & 0557 hours.
* 4 missing buses.
* This service practises jumpbus.
* '''Weekdays:''' 17A-17P / 6S / 1T (24 buses)
* '''Weekdays Sch Hols:''' TBC (22 buses)
* '''Saturdays:''' 19A-19P / 1S / 1T (20 buses)
* '''Sundays & Public Holidays:''' 15A-15P / 1S / 1T (16 buses)
* '''Special Weekdays:''' TBC (22 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=24 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=24 SimplyGo eGuide]
** [https://busrouter.sg/#/services/24 Bus Service Route Map]
|}

==Service 25==
{{BD/Norm|class=SBST|[[Ang Mo Kio Bus Interchange|Ang Mo Kio Interchange]] ↔ [[Upper East Coast Bus Terminal|Upper East Coast Terminal]]|Sengkang West Depot (SWDEP)|30|SBST|Bedok|
Fleet=
'''SBS5163G SBS8848U''' 
2 Scania K230UB ''(1 Euro V Batch 1 / 1 Euro V Batch 2)''

'''SBS3071B SBS3128Y SBS3223E SBS3225A SBS3238M SBS3277A SBS3279U SBS3281L SBS3295Y SBS3480D SBS3639P SBS3669C SBS3689U SBS3696Z SBS3706D SBS3724B SBS3725Z SBS3736S SBS3795X SBS3827M SBS3832Y SBS3856D SBS3870L SBS7610U SBS7713G SG5347E SG5397K SG5603R SG5605K''' 
29 Volvo B9TL ''(1 WEG2 Batch 1 / 6 WEG2 Batch 2 / 17 WEG2 Batch 3 / 5 WEG2 Batch 4)''
}}

{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* 2 extra SDs & 1 missing DD.
* This service practises jumpbus.
* '''Weekdays:''' 14A-14P / 3E / 13S / 1T (30 buses)
* '''Saturdays:''' 17A-17P / 2E / 3S / 3T (25 buses)
* '''Sundays & Public Holidays:''' 10A-10P / 1S / 4T (14 buses)
* '''Special Weekdays:''' 17A-12P / 3E / 9S / 1T (29 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=25 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=25 SimplyGo eGuide]
** [https://busrouter.sg/#/services/25 Bus Service Route Map]
|}

==Service 26==
{{BD/Norm|class=SBST|[[Bedok Bus Interchange|Bedok Interchange]] ↔ [[Toa Payoh Bus Interchange|Toa Payoh Interchage]]|Hougang Depot (HGDEP)|16|SBST|Bishan – Toa Payoh|
Fleet=
'''SBS6679D SBS6681X''' 
2 Mercedes-Benz O530 Citaro ''(2 Batch 2)''

'''SBS5018T SBS5080L SBS5107U SBS5170K SBS5183Z SBS5197J SBS5198G SBS5211B SBS8776T SBS8779K SBS8835G SBS8875R SBS8876M SBS8923K''' 
14 Scania K230UB ''(6 Euro V Batch 1 / 8 Euro V Batch 2)''
}}

{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* This service practises jumpbus on Weekdays.
* '''Weekdays:''' 11A-12P / 5S (16 buses)
* '''Saturdays:''' 9A-9P / 1E / 3T (13 buses)
* '''Sundays & Public Holidays:''' 8A-9P / 1S / 2T (12 buses)
* '''Special Weekdays:''' 13A-8P / 5S (17 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=26 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=26 SimplyGo eGuide]
** [https://busrouter.sg/#/services/26 Bus Service Route Map]
|}

==Service 28==
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] ↔ [[Toa Payoh Bus Interchange|Toa Payoh Interchange]]|Braddell Bus Park (BRBP) Bedok North Depot (BNDEP)|23 Braddell: 12 Bedok North: 11|SBST|Tampines|
Fleet=
''(Braddell Bus Park)'' 
'''SBS6683R''' 
1 Mercedes-Benz O530 Citaro ''(1 Batch 2)''

'''SBS8595Z''' 
1 Scania K230UB ''(1 Euro V Batch 1)''

'''SG6213B SG6217R SG6279L''' 
3 MAN ND323F ''(3 Euro VI Batch 2)''

'''SBS3233B SBS3514R SBS3730H SBS7565S SG5591R''' 
5 Volvo B9TL ''(1 WEG2 Batch 1 / 1 WEG2 Batch 2 / 1 WEG2 Batch 3 / 2 WEG2 Batch 4)''

''(Bedok North Depot)'' 
'''SBS6604U''' 
1 Mercedes-Benz O530 Citaro ''(1 Batch 2)''

'''SBS8603J SBS8850L SBS8932J SBS8989X''' 
4 Scania K230UB ''(4 Euro V Batch 1)''

'''SBS3750A SBS3841X SBS3894T SBS3902D SBS3949U SG5018E''' 
6 Volvo B9TL ''(5 WEG2 Batch 3 / 1 WEG2 Batch 4)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* 1 missing BRBP SD and 1 missing BRBP DD.
* '''SG6213B, SG6217R & SG6279L''' will operate on Service 88 on Weekends & Public Holidays.
* '''Weekdays:''' Braddell 9A-8P / 1S / 1E / 1T; Bedok North 7A-7P / 1E / 3S (23 buses)
* '''Saturdays:''' Braddell 9A-9P / 1S / 2T; Bedok North 9A-8P / 1E / 1T (23 buses)
* '''Sundays & Public Holidays:''' Braddell 8A-8P / 1T; Bedok North 7A-7P / 1T (17 buses)
* '''Special Weekdays:''' Braddell 10A-9P / 1E / 2S; Bedok North 9A-7P / 1E / 2S (25 buses)
|}
{|class="wikitable mw-collapsible mw-collapsed" style="text-align:center"
!colspan=3|Service 28 duty allocation
|-
!colspan=3|Braddell
|-
!rowspan=6|Weekdays (9A-8P / 1S / 1E / 1T)
|-
!A/P
|SBS3233B, SBS3730H, SBS6683R, SG5591R, SG6213B, SG6217R & SG6279L
|-
!A
|{{TBC}}
|-
!S
|SBS8595Z
|-
!E
|SBS7565S
|-
!T
|SBS3514R
|-
!colspan=3|Bedok North
|-
!rowspan=4|Weekdays (7A-7P / 1E / 3S)
|-
!A/P
|SBS3750A, SBS3841X, SBS3894T, SBS6604U, SBS8932J, SBS8989X & SG5018E
|-
!E
|rowspan=2|SBS3902D, SBS3949U, SBS8603J & SBS8850L
|-
!S
|-
|}

==Service 29==
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] ↺ [[Changi Village Bus Terminal|Changi Village Terminal]]|Bedok North Depot (BNDEP)|10|SBST|Tampines|
Fleet=
'''SBS5031D SBS8169X SBS8266Z SBS8416H SBS8519U SBS8520P SBS8521L SBS8522J SBS8581M SBS8582K''' 
10 Scania K230UB ''(7 Euro IV Batch 2 / 2 Euro V Batch 1 / 1 Euro V Batch 2)''
}}

{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* '''Several buses''' practise overnight parking at '''Tampines Interchange'''.
* This service practises jumpbus on Weekdays.
* '''Weekdays:''' 4A-5P / 2E / 5S (10 buses)
* '''Saturdays:''' 6A-6P / 1S (7 buses)
* '''Sundays & Public Holidays:''' 5A-6P / 1S (7 buses)
* '''Special Weekdays:''' 7A-5P / 4S (10 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=29 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=29 SimplyGo eGuide]
** [https://busrouter.sg/#/services/29 Bus Service Route Map]
|}

===Short-Trip 29A===
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] → Tampines Avenue 7 (Blk 497D)|Bedok North Depot (BNDEP)|2|SBST|Tampines|
Fleet=
'''SBS8521L''' 
1 Scania K230UB ''(1 Euro IV Batch 2)''
}}
{|class="wikitable" style="text-align:center; width:50%;"
|+ Short-Trip 29A departure times
|-
!colspan="2"|Departing from {{Int|Tampines}}
|-
!Weekdays
|17:26 17:57 18:28 18:59 19:29
|}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* '''SBS8521L''' will perform three (3) supplementary trip on Short-Trip 29A during Weekdays PM Peak.
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=29A Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/29A Bus Service Route Map]
|}

==See also==
* [[Bus Deployments]]
* [[History of Services 20 - 29]]

[[Category:Buses]]
[[Category:SBS Transit]]

Trunk Services 20 - 29

2025-09-06T16:20:00Z

Darrylpoh: /* Service 21 */

==Service 20==
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] ↺ Changi Business Park Ctrl 3|Bedok North Depot (BNDEP)|10|SBST|Tampines|
Fleet=
'''SBS8219K SBS8262J''' 
2 Scania K230UB ''(2 Euro IV Batch 2)''

'''SBS3009H SBS3033L SBS7530S SBS7563Y SG5403B SG5404Z SG5405X SG5571Z''' 
8 Volvo B9TL ''(2 WEG2 Batch 1 / 2 WEG2 Batch 2 / 4 WEG2 Batch 4)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* '''Several DDs''' will operate on Service 81 on Weekends & Public Holidays.
* '''SBS8270K (Feeder 292), SBS8290C (Service 31), SG1897K (Service 81) & several random SDs''' will operate on Service 20 on Weekends & Public Holidays.
* Full SD fleet on Weekends & Public Holidays.
* '''Weekdays:''' 7A-7P / 3S (10 buses)
* '''Saturdays:''' 8A-8P / 2T (10 buses)
* '''Sundays & Public Holidays:''' 8A-7P / 2S (10 buses)
* '''Special Weekdays:''' 7A-5P / 1E / 2S (10 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=20 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=20 SimplyGo eGuide]
** [https://busrouter.sg/#/services/20 Bus Service Route Map]
|}

===Short-Trip 20A===
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] → Changi Sth Ave 1 (Expo Stn Exit B)|Bedok North Depot (BNDEP)|2|SBST|Tampines|
Fleet=
'''Volvo B9TL buses'''
}}
{|class="wikitable" style="text-align:center; width:50%;"
|+ Short-Trip 20A departure times
|-
!colspan="2"|Departing from {{Int|Tampines}}
|-
!Weekdays
|07:08 07:47 08:26
|}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=20A Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/20A Bus Service Route Map]
|}

==Service 21==
{{BD/Norm|class=SBST|[[Pasir Ris Bus Interchange|Pasir Ris Interchange]] ↔ [[Saint Michael's Bus Terminal|St. Michael's Terminal]]|Hougang Depot (HGDEP) Bedok North Depot (BNDEP)|29 Hougang: 21 Bedok North: 8|SBST|Bishan – Toa Payoh|
Fleet=
''(Hougang Depot)'' 
'''SBS6014Y SBS6624L''' 
2 Mercedes-Benz O530 Citaro ''(1 Batch 1 / 1 Batch 2)''

'''SBS5023C SBS5109P SBS8280G SBS8287M SBS8289H SBS8816L SBS8823R SBS8830U''' 
8 Scania K230UB ''(3 Euro IV Batch 2 / 3 Euro V Batch 1 / 2 Euro V Batch 2)''

'''SG6042C SG6222A SG6223Y SG6233T SG6261L''' 
5 MAN ND323F ''(1 Euro VI Batch 1 / 4 Euro VI Batch 2)''

'''SBS3158K SBS3186D SBS3726X SBS3847E SBS3904Z SG5118A''' 
6 Volvo B9TL ''(2 WEG2 Batch 2 / 3 WEG2 Batch 3 / 1 WEG2 Batch 4)''

''(Bedok North Depot)'' 
'''SBS6637A''' 
1 Mercedes-Benz O530 Citaro ''(1 Batch 2)''

'''SBS8230B SBS8532E SBS8662M SBS8667A''' 
4 Scania K230UB ''(2 Euro IV Batch 2 / 2 Euro V Batch 1)''

'''SBS3013U SBS7668D SG5023P''' 
3 Volvo B9TL ''(1 WEG2 Batch 1 / 1 WEG2 Batch 2 / 1 WEG2 Batch 4)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* Full DD fleet for BNDEP on Weekends & Public Holidays.
* Majority DD fleet for HGDEP on Sundays & Public Holidays.
* '''Weekdays:''' Hougang 12A-12P / 7S / 2T; Bedok North 7A-6P / 1S (29 buses)
* '''Saturdays:''' Hougang 12A-15P / 1T; Bedok North 7A-7P (23 buses)
* '''Sundays & Public Holidays:''' Hougang 8A-10P / 2S / 6T; Bedok North 6A-7P (25 buses)
* '''Special Weekdays:''' Hougang 12A-12P / 3E / 4S; Bedok North 6A-6P / 1E / 1T (28 buses)
* '''Special Saturdays:''' Hougang 11A-13P / 2T; Bedok North 7A-8P (24 buses)
* '''Special Sundays:''' Hougang 9A-11P / 3S / 3T; Bedok North 6A-7P (25 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=21 Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/21 Bus Service Route Map]
|}
{|class="wikitable mw-collapsible mw-collapsed" style="text-align:center"
!colspan=3|Service 21 duty allocation
|-
!colspan=3|Hougang
|-
!rowspan=6|Weekdays (12A-12P / 7S / 2T)
|-
!A/P
|SBS3158K, SBS3186D, SBS3847E, SBS3904Z, SBS5023C, SBS6014Y, SG6223Y, SG6233T & SG6261L
|-
!A-S
|SBS5109P
|-
!S-P
|SG5118A
|-
!S
|SBS6624L, SBS8280G, SBS8287M, SBS8289H, SBS8816L
|-
!T
|SBS8823R & SBS8830U
|-
!rowspan=4|Saturdays (12A-15P / 1T)
|-
!A/P
|SBS5023C, SBS8287M, SBS3158K, SBS3186D, SBS3847E, SBS3904Z, SG5118A, SG6042C, SG6222A, SG6223Y & SG6261L
|-
!P
|SBS8823R, SG6233T
|-
!T
|SBS3726X
|-
!rowspan=5|Sundays & Public Holidays (8A-10P / 2S / 6T)
|-
!A/P
|SG6024C, SBS6014Y, SBS6624L, SG6222A, SG6223Y, SG6233T & SG6261L
|-
!P
| SBS3726X, SBS3847E
|-
!S
| SBS3158K & SG5118A
|-
!T
|SBS3186D, SBS3904Z
|-
!colspan=3|Bedok North
|-
!rowspan=4|Weekdays (7A-6P / 1S)
|-
!A/P
|SBS3013U, SBS6637A, SBS7668D, SBS8532E, SBS8662M & SG5023P
|-
!A
|SBS8230B
|-
!S
|SBS8667A
|-
!rowspan=2|Saturdays (7A-7P)
|-
!A/P
|SBS3013U, SBS7668D, SG5023P & 4 random DDs
|-
!rowspan=3|Sundays & Public Holidays (6A-7P)
|-
!A/P
|SBS3013U, SBS7668D, SG5023P & 3 random DDs
|-
!P
|Random DD
|-
|}

===Short-Trip 21A===
{{BD/Norm|class=SBST|Geylang Rd (Bef Lor 18 Geylang) → Kitchener Rd (Bef Tai Hoe Hotel)|Hougang Depot (BNDEP)|4|SBST|Bishan – Toa Payoh|
Fleet=
'''SBS3186D''' 
1 Volvo B9TL ''(1 WEG2 Batch 2)''
}}
{|class="wikitable" style="text-align:center; width:50%;"
|+ Short-Trip 21A departure times
|-
!colspan="2"|Departing from Geylang Rd (Bef Lor 18 Geylang)
|-
!Sundays
|16:52 17:11 17:22 17:42 18:00
|}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=21A Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/21A Bus Service Route Map]
|}

==Service 21X==
{{BD/Norm|class=SBST|[[Saint Michael's Bus Terminal|St. Michael's Terminal]] ↺ Thomson Rd (Novena Stn)|Hougang Depot (HGDEP)|5|SBST|Bishan – Toa Payoh|
Fleet=
'''SBS6723J SBS6726B SBS6727Z SBS6728X SBS6729T''' 
5 Mercedes-Benz O530 Citaro ''(5 Batch 2)''
}}
{|class="wikitable" style="text-align:center; width:50%;"
|+ Short-Trip 21X departure times
|-
!colspan="2"|Departing from {{Ter|Saint Michael's}}
|-
!Weekdays
|06:30 06:41 06:51 07:00 07:10 07:20 07:30 07:40 07:51 08:01 08:11 08:22 08:33 08:42 08:53 09:05 09:17 09:30 09:45 10:00 16:15 16:28 16:41 17:07 17:20 17:33 17:55 18:05 18:16 18:26 18:36 18:46 18:56 19:07 19:16 19:25 19:34 19:45</div>
|}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=21A Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/21A Bus Service Route Map]
|}

==Service 22==
{{BD/Norm|class=SBST|[[Ang Mo Kio Bus Interchange|Ang Mo Kio Interchange]] ↔ [[Eunos Bus Interchange|Eunos Interchage]]|Sengkang West Depot (SWDEP)|14|SBST|Serangoon – Eunos|
Fleet=
'''SBS5010P SBS5069X SBS5071M SBS8080S SBS8259U SBS8343J SBS8383T SBS8493J SBS8540G SBS8606B SBS8777R SBS8839X''' 
12 Scania K230UB ''(1 Euro IV Batch 1 / 5 Euro IV Batch 2 / 3 Euro V Batch 1 / 3 Euro V Batch 2)''

'''SBS3885U''' 
1 Volvo B9TL ''(1 WEG2 Batch 3)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* 1 missing SD.
* Full SD fleet on Sundays & Public Holidays.
* This service practises jumpbus.
* '''Weekdays:''' 9A-9P / 5S / 2T (14 buses)
* '''Saturdays:''' 10A-10P / 1T (11 buses)
* '''Sundays & Public Holidays:''' 8A-9P / 1T (10 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=22 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=22 SimplyGo eGuide]
** [https://busrouter.sg/#/services/22 Bus Service Route Map]
|}

==Service 23==
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] ↺ Rochor Canal Rd|Bedok North Depot (BNDEP)|15|SBST|Tampines|
Fleet=
'''SG6333M SG6339Y SG6343J SG6352H SG6353E SG6361G''' 
6 Alexander Dennis Enviro500 ''(3 Door)''

'''SG5832X SG5838E SG5882B SG6060A SG6161S SG6182G SG6192C''' 
7 MAN ND323F ''(3 Euro V Batch 2 / 4 3-Door)''
}}

{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* 2 missing MAN NL323F buses.
* '''SBS3837J & SBS3897K (Express 10e)''' will perform crossover trips on Service 23 during Weekdays AM Off-Peak.
* This service practises jumpbus on Weekdays.
* '''Several DDs''' practice overnight parking at '''Tampines Interchange'''.
* '''Weekdays:''' 6A-7P / 8S (15 buses)
* '''Saturdays:''' 7A-9P / 2S / 2T (13 buses)
* '''Sundays & Public Holidays:''' 6A-10P / 3T (13 buses)
* '''Special Weekdays:''' 8A-6P / 2E / 5S / 1T (15 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=23 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=23 SimplyGo eGuide]
** [https://busrouter.sg/#/services/23 Bus Service Route Map]
|}

==Service 24==
{{BD/Norm|class=SBST|[[Ang Mo Kio Bus Interchange|Ang Mo Kio Interchange]] ↺ [[Changi Airport Terminal 2 Bus Terminal|Changi Airport Terminal 2]]|Seletar Depot (SEDEP)|24|SBST|Seletar|
Fleet=
'''SG1815Y SG1820G''' 
2 MAN NL323F ''(2 Euro VI)''

'''SBS6579J SBS6585R SBS6593S SBS6598D SBS6626G SBS6882H SBS6884C SBS6885A SBS6886Y SBS6887U SG1087G SG1096E SG1099Y SG1147S SG1167J SG1171X SG1172T SG1236T''' 
18 Mercedes-Benz O530 Citaro ''(1 Batch 2 / 17 Batch 3)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* Down-route from Airport Boulevard (Bus Stop 95159 - Near SATS Flight Kitchen) towards {{Int|Ang Mo Kio}}:
** '''1 bus''' will perform one (1) down-route trip before Weekdays AM Peak, departing at 0555 hours.
* Down-route from New Upper Changi Road (Bus Stop 84031 - Bedok Stn Exit B) towards {{Int|Ang Mo Kio}} via Changi Airport Terminal 2:
** '''2 buses''' will perform one (1) down-route trip before Weekdays AM Peak, departing at 0540 hours and 0549 hours.
** '''1 bus''' will perform one (1) down-route trip before Weekends & Public Holidays AM Peak, departing at 0540 hours.
* Down-route from New Upper Changi Road (Bus Stop 84059 - Blk 65) towards {{Int|Ang Mo Kio}} via Changi Airport Terminal 2:
** '''1 bus''' will perform one (1) down-route trip before Weekdays AM Peak, departing at 0600 hours.
** '''5 buses''' will perform one (1) down-route trip before & during Saturdays AM Peak, departing at 0600 hours, 0609 hours, 0618 hours, 0628 hours & 0647 hours.
** '''3 buses''' will perform one (1) down-route trip before & during Sundays & Public Holidays AM Peak, departing at 0600 hours, 0616 hours & 0632 hours.
* Down-route from Upper Paya Lebar Road (Bus Stop 62059 - Blk 161) towards {{Int|Ang Mo Kio}} via Changi Airport Terminal 2:
** '''2 buses''' will perform one (1) down-route trip as Service 24 before Weekdays AM Peak, departing at 0530 hours & 0539 hours.
** '''2 buses''' will perform one (1) down-route trip as Service 24 before Weekends & Public Holidays AM Peak, departing at 0530 hours & 0537 hours.
* Down-route from Terminal 1 Basement (Bus Stop 95029 - Changi Airport Ter 1) towards {{Int|Ang Mo Kio}} via Changi Airport Terminal 2:
** '''3 buses''' will perform one (1) down-route trip before Weekdays AM Peak, departing at 0545 hours, 0551 hours & 0557 hours.
* 4 missing buses.
* This service practises jumpbus.
* '''Weekdays:''' 17A-17P / 6S / 1T (24 buses)
* '''Weekdays Sch Hols:''' TBC (22 buses)
* '''Saturdays:''' 19A-19P / 1S / 1T (20 buses)
* '''Sundays & Public Holidays:''' 15A-15P / 1S / 1T (16 buses)
* '''Special Weekdays:''' TBC (22 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=24 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=24 SimplyGo eGuide]
** [https://busrouter.sg/#/services/24 Bus Service Route Map]
|}

==Service 25==
{{BD/Norm|class=SBST|[[Ang Mo Kio Bus Interchange|Ang Mo Kio Interchange]] ↔ [[Upper East Coast Bus Terminal|Upper East Coast Terminal]]|Sengkang West Depot (SWDEP)|30|SBST|Bedok|
Fleet=
'''SBS5163G SBS8848U''' 
2 Scania K230UB ''(1 Euro V Batch 1 / 1 Euro V Batch 2)''

'''SBS3071B SBS3128Y SBS3223E SBS3225A SBS3238M SBS3277A SBS3279U SBS3281L SBS3295Y SBS3480D SBS3639P SBS3669C SBS3689U SBS3696Z SBS3706D SBS3724B SBS3725Z SBS3736S SBS3795X SBS3827M SBS3832Y SBS3856D SBS3870L SBS7610U SBS7713G SG5347E SG5397K SG5603R SG5605K''' 
29 Volvo B9TL ''(1 WEG2 Batch 1 / 6 WEG2 Batch 2 / 17 WEG2 Batch 3 / 5 WEG2 Batch 4)''
}}

{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* 2 extra SDs & 1 missing DD.
* This service practises jumpbus.
* '''Weekdays:''' 14A-14P / 3E / 13S / 1T (30 buses)
* '''Saturdays:''' 17A-17P / 2E / 3S / 3T (25 buses)
* '''Sundays & Public Holidays:''' 10A-10P / 1S / 4T (14 buses)
* '''Special Weekdays:''' 17A-12P / 3E / 9S / 1T (29 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=25 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=25 SimplyGo eGuide]
** [https://busrouter.sg/#/services/25 Bus Service Route Map]
|}

==Service 26==
{{BD/Norm|class=SBST|[[Bedok Bus Interchange|Bedok Interchange]] ↔ [[Toa Payoh Bus Interchange|Toa Payoh Interchage]]|Hougang Depot (HGDEP)|16|SBST|Bishan – Toa Payoh|
Fleet=
'''SBS6679D SBS6681X''' 
2 Mercedes-Benz O530 Citaro ''(2 Batch 2)''

'''SBS5018T SBS5080L SBS5107U SBS5170K SBS5183Z SBS5197J SBS5198G SBS5211B SBS8776T SBS8779K SBS8835G SBS8875R SBS8876M SBS8923K''' 
14 Scania K230UB ''(6 Euro V Batch 1 / 8 Euro V Batch 2)''
}}

{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* This service practises jumpbus on Weekdays.
* '''Weekdays:''' 11A-12P / 5S (16 buses)
* '''Saturdays:''' 9A-9P / 1E / 3T (13 buses)
* '''Sundays & Public Holidays:''' 8A-9P / 1S / 2T (12 buses)
* '''Special Weekdays:''' 13A-8P / 5S (17 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=26 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=26 SimplyGo eGuide]
** [https://busrouter.sg/#/services/26 Bus Service Route Map]
|}

==Service 28==
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] ↔ [[Toa Payoh Bus Interchange|Toa Payoh Interchange]]|Braddell Bus Park (BRBP) Bedok North Depot (BNDEP)|23 Braddell: 12 Bedok North: 11|SBST|Tampines|
Fleet=
''(Braddell Bus Park)'' 
'''SBS6683R''' 
1 Mercedes-Benz O530 Citaro ''(1 Batch 2)''

'''SBS8595Z''' 
1 Scania K230UB ''(1 Euro V Batch 1)''

'''SG6213B SG6217R SG6279L''' 
3 MAN ND323F ''(3 Euro VI Batch 2)''

'''SBS3233B SBS3514R SBS3730H SBS7565S SG5591R''' 
5 Volvo B9TL ''(1 WEG2 Batch 1 / 1 WEG2 Batch 2 / 1 WEG2 Batch 3 / 2 WEG2 Batch 4)''

''(Bedok North Depot)'' 
'''SBS6604U''' 
1 Mercedes-Benz O530 Citaro ''(1 Batch 2)''

'''SBS8603J SBS8850L SBS8932J SBS8989X''' 
4 Scania K230UB ''(4 Euro V Batch 1)''

'''SBS3750A SBS3841X SBS3894T SBS3902D SBS3949U SG5018E''' 
6 Volvo B9TL ''(5 WEG2 Batch 3 / 1 WEG2 Batch 4)''
}}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* 1 missing BRBP SD and 1 missing BRBP DD.
* '''SG6213B, SG6217R & SG6279L''' will operate on Service 88 on Weekends & Public Holidays.
* '''Weekdays:''' Braddell 9A-8P / 1S / 1E / 1T; Bedok North 7A-7P / 1E / 3S (23 buses)
* '''Saturdays:''' Braddell 9A-9P / 1S / 2T; Bedok North 9A-8P / 1E / 1T (23 buses)
* '''Sundays & Public Holidays:''' Braddell 8A-8P / 1T; Bedok North 7A-7P / 1T (17 buses)
* '''Special Weekdays:''' Braddell 10A-9P / 1E / 2S; Bedok North 9A-7P / 1E / 2S (25 buses)
|}
{|class="wikitable mw-collapsible mw-collapsed" style="text-align:center"
!colspan=3|Service 28 duty allocation
|-
!colspan=3|Braddell
|-
!rowspan=6|Weekdays (9A-8P / 1S / 1E / 1T)
|-
!A/P
|SBS3233B, SBS3730H, SBS6683R, SG5591R, SG6213B, SG6217R & SG6279L
|-
!A
|{{TBC}}
|-
!S
|SBS8595Z
|-
!E
|SBS7565S
|-
!T
|SBS3514R
|-
!colspan=3|Bedok North
|-
!rowspan=4|Weekdays (7A-7P / 1E / 3S)
|-
!A/P
|SBS3750A, SBS3841X, SBS3894T, SBS6604U, SBS8932J, SBS8989X & SG5018E
|-
!E
|rowspan=2|SBS3902D, SBS3949U, SBS8603J & SBS8850L
|-
!S
|-
|}

==Service 29==
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] ↺ [[Changi Village Bus Terminal|Changi Village Terminal]]|Bedok North Depot (BNDEP)|10|SBST|Tampines|
Fleet=
'''SBS5031D SBS8169X SBS8266Z SBS8416H SBS8519U SBS8520P SBS8521L SBS8522J SBS8581M SBS8582K''' 
10 Scania K230UB ''(7 Euro IV Batch 2 / 2 Euro V Batch 1 / 1 Euro V Batch 2)''
}}

{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* '''Several buses''' practise overnight parking at '''Tampines Interchange'''.
* This service practises jumpbus on Weekdays.
* '''Weekdays:''' 4A-5P / 2E / 5S (10 buses)
* '''Saturdays:''' 6A-6P / 1S (7 buses)
* '''Sundays & Public Holidays:''' 5A-6P / 1S (7 buses)
* '''Special Weekdays:''' 7A-5P / 4S (10 buses)
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=29 Service Information (SBS Transit)]
** [https://svc.simplygo.com.sg/eservice/eguide/service_route.php?service=29 SimplyGo eGuide]
** [https://busrouter.sg/#/services/29 Bus Service Route Map]
|}

===Short-Trip 29A===
{{BD/Norm|class=SBST|[[Tampines Bus Interchange|Tampines Interchange]] → Tampines Avenue 7 (Blk 497D)|Bedok North Depot (BNDEP)|2|SBST|Tampines|
Fleet=
'''SBS8521L''' 
1 Scania K230UB ''(1 Euro IV Batch 2)''
}}
{|class="wikitable" style="text-align:center; width:50%;"
|+ Short-Trip 29A departure times
|-
!colspan="2"|Departing from {{Int|Tampines}}
|-
!Weekdays
|17:26 17:57 18:28 18:59 19:29
|}
{|class="wikitable mw-collapsible mw-collapsed"
!Notes
|-
|
* '''SBS8521L''' will perform three (3) supplementary trip on Short-Trip 29A during Weekdays PM Peak.
* ''External Links:''
** [https://www.sbstransit.com.sg/Service/BusService?ServiceType=Basic&ServiceNo=29A Service Information (SBS Transit)]
** [https://busrouter.sg/#/services/29A Bus Service Route Map]
|}

==See also==
* [[Bus Deployments]]
* [[History of Services 20 - 29]]

[[Category:Buses]]
[[Category:SBS Transit]]

History of Services 140 - 149

2025-08-07T13:49:20Z

Darrylpoh: /* 2nd Generation (since 2014) */

==Service 140==
===1st Generation (1971 – 1988)===
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|'''UBC'''
|Lor 6 Toa Payoh ↔ Prince Edward
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Lor 6 Toa Payoh Ter and Prince Edward Ter under [[1971 Bus Reorganisation]].
|-
|rowspan=6|Toa Payoh ↔ Prince Edward
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|rowspan=9|{{SBS}}
|rowspan=2|'''1974'''
|'''24 February'''
|style='text-align:left'|Amended to ply Grange Rd, Orchard Blvd and Paterson Rd towards Toa Payoh Town Ctr Ter with the conversion of Orchard Rd to one-way traffic.
|-
|'''8 December'''
|style='text-align:left'|Amended to ply Cecil St, skipping Robinson Rd.
|-
|'''1975'''
|'''21 July'''
|style='text-align:left'|Amended to ply Stamford Rd, skipping Coleman St and Armenian St.
|-
|'''1976'''
|'''14 March'''
|style='text-align:left'|Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
|-
|'''1979'''
|'''11 February'''
|style='text-align:left'|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
|-
|rowspan=4|Toa Payoh ↺ Orchard Rd
|'''1983'''
|'''26 December'''
|style='text-align:left'|Amended to Toa Payoh Int, shortened to loop at Orchard Rd and converted into a semi-express service.
|-
|rowspan=2|'''1987'''
|rowspan=2|'''13 December'''
|style='text-align:left'|Serves new staggered bus stop outside Orchard Stn along Orchard Blvd, skipping the bus stop opposite Orchard Stn.
|-
|style='text-align:left'|Serves new bus stop outside Newton Stn along Scotts Rd.
|-
|'''1988'''
|'''24 January'''
|style='text-align:left'|Discontinued.
|}

===2nd Generation (since 2014)===
{| class='wikitable' style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=3|{{SBST}} '''(Current)'''
|rowspan=3|Lor 1 Geylang ↺ Saint Wilfred Rd
|'''2014'''
|'''14 December'''
|style='text-align:left'|Introduced between Lor 1 Geylang Ter and St. Wilfred Rd (Loop) under the LTA's [[Bus Service Enhancement Programme]] (BSEP), operating between 0600 hrs and 2330 hrs daily.<ref>[//www.sbstransit.com.sg/news/new-services-41-and-140-from-14-december-2014-and-route-extension-of-service-35-from-15-december-2014 New Services 41 and 140 from 14 December 2014 and route extension of Service 35 from 15 December 2014] SBS Transit, 2 December 2014</ref>
|-
|'''2015'''
|'''30 March'''
|style='text-align:left'|{{DWAB}}<ref>[//www.sbstransit.com.sg/news/route-amendment-for-service-140] SBS Transit, 23 March 2015</ref>
|-
|'''2025'''
|'''7 September'''
|style='text-align:left'|To be extended to ply Towner Rd, McNair Rd & Balestier Rd towards St. Wilfred Rd. <ref>[//www.sbstransit.com.sg/news/sbs-transit-to-roll-out-another-six-wheelchair-accessible-bus-services Route Amendment For Service 140] SBS Transit, 7 August 2015</ref>
|}

==Service 140A==
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|'''UBC'''
|Lor 1 Toa Payoh ↺ Stamford Rd
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Stamford Rd (Loop) under [[1971 Bus Reorganisation]].
|-
|rowspan=2|Toa Payoh ↺ Stamford Rd
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|{{SBS}}
|'''1974'''
|'''3 February'''
|style='text-align:left'|Re-numbered Service 136 under [[1974 Bus Rationalisation]].
|}

==Service 141==
===1st Generation (1971 – 1988)===
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|'''STC'''
|Kim Keat Ave ↔ Prince Edward
|rowspan=3|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Kim Keat Ave Ter and Prince Edward Ter under [[1971 Bus Reorganisation]].
|-
|rowspan=7|Toa Payoh ↔ Prince Edward
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|'''UBC'''
|'''6 December'''
|style='text-align:left'|Operations transferred to UBC.
|-
|rowspan=8|{{SBS}}
|'''1974'''
|'''8 December'''
|style='text-align:left'|Amended to ply Cecil St, skipping Robinson Rd.
|-
|'''1975'''
|'''21 July'''
|style='text-align:left'|Amended to ply St. Andrew's Rd and Stamford Rd, skipping Coleman St and Hill St.
|-
|'''1976'''
|'''14 March'''
|style='text-align:left'|Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
|-
|'''1979'''
|'''11 February'''
|style='text-align:left'|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
|-
|rowspan=2|'''1983'''
|'''2 January'''
|style='text-align:left'|Amended to serve Balestier Rd, Lavender St and Serangoon Rd/Jln Besar, skipping Rangoon Rd and Kitchener Rd.
|-
|Toa Payoh ↺ Robinson Rd
|'''26 December'''
|style='text-align:left'|Amended to Toa Payoh Int, amended to loop at Robinson Rd and converted to a semi-express service on weekdays and Saturdays only.
|-
|rowspan=2|Toa Payoh ↺ Cecil St
|'''1985'''
|'''15 April'''
|style='text-align:left'|Serves all bus stops along Connaught Dr, Collyer Quay, Raffles Quay and Shenton Way and amended to ply Cecil St, Dhoby Ghaut, Selegie Rd, Bt Timah Rd and Kg Java Rd towards Toa Payoh Int.
|-
|'''1988'''
|'''24 January'''
|style='text-align:left'|Discontinued.
|}

===2nd Generation (since 2013)===
{|class='wikitable' style='text-align:center'
!style='{{CSS/BUS|xfc=|xbc=}}'|Operator
!style='{{CSS/BUS|xfc=|xbc=}}'|Route
!style='{{CSS/BUS|xfc=|xbc=}}'|Year
!style='{{CSS/BUS|xfc=|xbc=}}'|Date
!style='{{CSS/BUS|xfc=|xbc=}}'|Service changes
|-
|rowspan=4|{{SBST}} '''(Current)'''
|rowspan=4|Lor 1 Geylang ↔ Toa Payoh
|rowspan=2|'''2013'''
|'''9 June'''
|style='text-align:left'|Introduced between Lor 1 Geylang Ter and Toa Payoh Int under the LTA's [[Bus Service Enhancement Programme]] (BSEP), operating between 0600 hrs and 2330 hrs daily from Lor 1 Geylang Ter and between 0600 hrs and 2345 hrs daily from Toa Payoh Int.
|-
|'''30 September'''
|style='text-align:left'|{{DWAB}}
|-
|'''2020'''
|'''8 November'''
|style='text-align:left'|Skips the bus stop opposite SLF Cplx along Thomson Rd to facilitate the construction of the North-South Corridor (NSC).<ref>[//www.sbstransit.com.sg/news/changes-in-bus-stops-along-thomson-road-for-services-54-130-132-141-156-162-162m-166-and-851 Changes in Bus Stops along Thomson Road for Services 54, 130, 132, 141, 156, 162, 162M, 166 and 851] SBS Transit, 26 October 2020</ref>
|-
|'''2024'''
|'''24 March'''
|style='text-align:left'|Serves new bus stop outside Blk 131B along Toa Payoh Rise.
|}

==Service 141A==
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|'''STC'''
|Lor 6 Toa Payoh ↺ Finlayson Green
|rowspan=3|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Lor 6 Toa Payoh Ter and Finlayson Green (Loop) under [[1971 Bus Reorganisation]].
|-
|rowspan=3|Toa Payoh ↺ Finlayson Green
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|'''UBC'''
|'''6 December'''
|style='text-align:left'|Operations transferred to UBC.
|-
|{{SBS}}
|'''1974'''
|'''3 February'''
|style='text-align:left'|Integrated with Service 141 and discontinued under [[1974 Bus Rationalisation]].
|}

==Service 142==
===1st Generation (1971 – 1976)===
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|'''STC'''
|Lor 1 Toa Payoh ↔ South Canal
|rowspan=3|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Sth Canal Ter under [[1971 Bus Reorganisation]].
|-
|rowspan=5|Toa Payoh ↔ South Canal
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|rowspan=2|'''ABC'''
|'''6 December'''
|style='text-align:left'|Operations transferred to ABC.
|-
|'''1972'''
|'''11 June'''
|style='text-align:left'|Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
|-
|rowspan=2|{{SBS}}
|'''1974'''
|'''24 February'''
|style='text-align:left'|Amended to ply Grange Rd and Orchard Blvd with the conversion of Orchard Rd to one-way traffic, skipping Orchard Rd.
|-
|'''1976'''
|{{TBC}}
|style='text-align:left'|Discontinued.
|}

===2nd Generation (since 1984)===
{| class='wikitable' style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=15|{{SBST}} '''(Current)''' ''Known as {{SBS}} prior to 1 November 2001''
|rowspan=4|Potong Pasir ↺ Toa Payoh
|'''1984'''
|'''25 November'''
|style='text-align:left'|Introduced between Potong Pasir Ter and Toa Payoh Int (Loop).
|-
|rowspan=2|'''1985'''
|'''5 May'''
|style='text-align:left'|Enhanced to ply Potong Pasir Ave 2 and Potong Pasir Ave 3 before terminating at Potong Pasir Ter.
|-
|'''15 December'''
|style='text-align:left'|Amended to ply Jln Toa Payoh and Lor 2 Toa Payoh towards Toa Payoh Int with the partial closure of Kim Keat Ave.
|-
|'''1987'''
|'''6 July'''
|style='text-align:left'|Last bus from Potong Pasir Ter extended to 2330 hrs daily.
|-
|rowspan=10|Toa Payoh ↺ Potong Pasir Ave 1
|'''1989'''
|{{TBC}}
|style='text-align:left'|Amended to start from Toa Payoh Int and loop at Potong Pasir Ave 1.
|-
|'''1994'''
|'''5 March'''
|style='text-align:left'|Amended to ply Kim Keat Lk and Lor 6 Toa Payoh towards Toa Payoh Int.
|-
|rowspan=2|'''1998'''
|rowspan=2|'''31 May'''
|style='text-align:left'|Amended to Toa Payoh Temp Int.
|-
|style='text-align:left'|Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
|-
|'''2002'''
|'''19 May'''
|style='text-align:left'|Amended to Toa Payoh Integrated Transport Hub.
|-
|'''2003'''
|{{TBC}}
|style='text-align:left'|Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
|-
|'''2006'''
|'''16 April'''
|style='text-align:left'|Serves new bus stop outside Blk 120 along Potong Pasir Ave 1.
|-
|'''2008'''
|{{TBC}}
|style='text-align:left'|Last bus extended to 0005 hrs daily.
|-
|'''2009'''
|'''26 October'''
|style='text-align:left'|{{DWAB}}
|-
|'''2011'''
|'''4 September'''
|style='text-align:left'|Amended to skip Bendemeer Rd, Whampoa Nth and Serangoon Rd towards Toa Payoh Int with the permanent closure of Whampoa Nth.
|-
|{{Bus/D|142|note=Toa Payoh ↺ Potong Pasir Ave 1}}{{Bus/D|142A|note=Toa Payoh ↺ Potong Pasir Ave 1 → Upp Serangoon Rd}}
|'''2018'''
|'''24 December'''
|style='text-align:left'|{{Bus/D|142A|note=Introduced from Toa Payoh Int to Upp Serangoon Rd (Sant Ritz) during morning peak hours on weekdays. {{LWAB}}}}
|}

==Service 143==
{| class='wikitable' style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=2|{{SGTC}}
|Lor 6 Toa Payoh ↔ Jurong Rd 16.2 km Mkt
|rowspan=3|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Lor 6 Toa Payoh Ter and Jurong Rd 16.2 km Mkt Ter under [[1971 Bus Reorganisation]].
|-
|rowspan=5|Toa Payoh ↔ Jurong Rd 16.2 km Mkt
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|rowspan=2|{{ABS}}
|'''6 December'''
|style='text-align:left'|Operations transferred to Associated Bus Services.
|-
|'''1972'''
|'''11 June'''
|style='text-align:left'|Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
|-
|rowspan=35|{{SBST}} ''Known as {{SBS}} prior to 1 November 2001''
|'''1973'''
|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|'''1974'''
|'''24 February'''
|style='text-align:left'|Amended to ply Grange Rd, Orchard Blvd and Paterson Rd towards Toa Payoh Town Ctr Ter with the conversion of Orchard Rd to one-way traffic.
|-
|rowspan=18|Toa Payoh ↔ Teban Gardens
|rowspan=2|'''1981'''
|'''1 February'''
|style='text-align:left'|Amended to Jurong Depot.
|-
|'''19 April'''
|style='text-align:left'|Amended to ply Pandan Gardens and Teban Gdns Rd.
|-
|'''1982'''
|'''24 May'''
|style='text-align:left'|Amended to ply West Coast Highway.
|-
|'''1983'''
|'''26 December'''
|style='text-align:left'|Amended to Toa Payoh Int.
|-
|rowspan=3|'''1987'''
|'''1 November'''
|style='text-align:left'|Amended to ply Eu Tong Sen St towards Toa Payoh Int to facilitate the second stage of road expansion along New Bridge Rd.
|-
|rowspan=2|'''13 December'''
|style='text-align:left'|Serves new staggered bus stop outside Orchard Stn along Orchard Blvd, skipping the bus stop opposite Orchard Stn.
|-
|style='text-align:left'|Serves new bus stop outside Newton Stn along Scotts Rd.
|-
|'''1988'''
|'''20 March'''
|style='text-align:left'|Amended to ply New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd and Neil Rd.
|-
|rowspan=2|'''1992'''
|'''19 July'''
|style='text-align:left'|Amended to ply Orchard Lk due to the closure of Grange Rd to facilitate road expansion works.
|-
|{{TBC}}
|style='text-align:left'|Amended to ply Clemenceau Ave towards Toa Payoh Int, skipping Tank Rd.
|-
|'''1995'''
|'''7 May'''
|style='text-align:left'|Amended to ply Orchard Turn.
|-
|'''1997'''
|'''7 December'''
|style='text-align:left'|Amended to ply Upp Pickering St, Sth Bridge Rd and Neil Rd with the partial closure of New Bridge Rd to facilitate the construction of Chinatown station on the North East Line.
|-
|'''1998'''
|'''31 May'''
|style='text-align:left'|Amended to Toa Payoh Temp Int.
|-
|rowspan=2|'''1999'''
|'''20 September'''
|style='text-align:left'|Serves new pair of bus stops outside and opposite West Bay Resort Condo along West Coast Rd.
|-
|rowspan=3 {{TBC}}
|style='text-align:left'|Skips a pair of removed bus stops outside and opposite Wishart Rd along Telok Blangah Rd.
|-
|'''2000'''
|style='text-align:left'|Last bus from Teban Gdns Ter extended to 2400 hrs on Saturdays.
|-
|'''2001'''
|style='text-align:left'|Amended to ply West Coast Rd and Penjuru Rd with the partial closure of Teban Gardens Rd.
|-
|rowspan=7|'''2002'''
|'''20 April'''
|style='text-align:left'|Amended to ply the reinstated New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd and Neil Rd.
|-
|rowspan=14|{{Bus/D|143|note=Toa Payoh ↔ Jurong East}}{{Bus/D|143A|PAST|note=Jurong East → Teban Gdns Rd}}
|rowspan=2|'''12 May'''
|style='text-align:left'|Integrated with Service 331 and extended to Jurong East Int.
|-
|style='text-align:left|{{Bus/D|143A|PAST|note=Introduced from Jurong East Int to Teban Gdns Rd (Bef Hasanah Mque), operating after the last bus of Service 143 from Jurong East Int daily.}}
|-
|'''19 May'''
|style='text-align:left'|Amended to Toa Payoh Integrated Transport Hub.
|-
|'''7 July'''
|style='text-align:left'|Skips the bus stop outside Orchard Emerald along Orchard Rd.
|-
|{{TBC}}
|style='text-align:left'|Skips removed bus stop opposite ITE Pasir Panjang along Telok Blangah Rd.
|-
|'''17 November'''
|style='text-align:left'|Amended to ply Pandan Gdns.
|-
|'''2004'''
|{{TBC}}
|style='text-align:left'|{{Bus/D|143|note=First bus from Jurong East Int brought forward to 0525 hrs on weekdays and Saturdays.}}
|-
|rowspan=2|'''2005'''
|'''3 April'''
|style='text-align:left'|Serves 2 new bus stops opposite Blks 34/35 and opposite Blk 47 along West Coast Rd.
|-
|'''2 July'''
|style='text-align:left'|Amended to ply Grange Rd and Orchard Lk with the partial closure of Somerset Rd.
|-
|'''2006'''
|'''29 October'''
|style='text-align:left'|Serves new bus stop outside VivoCity along Telok Blangah Rd and a relocated bus stop outside Orchard Stn along Orchard Turn.
|-
|'''2007'''
|'''17 December'''
|style='text-align:left'|{{DWAB}}
|-
|'''2008'''
|'''7 December'''
|style='text-align:left'|Skips removed bus stop opposite Temenggong D Mque along Telok Blangah Rd.
|-
|'''2011'''
|'''17 December'''
|style='text-align:left'|Amended to Jurong East Temp Int.
|-
|'''2013'''
|'''29 December'''
|style='text-align:left'|Serves new bus stop outside Outram Pk Stn along New Bridge Rd.
|-
|rowspan=7|Toa Payoh ↔ Jurong East
|'''2014'''
|'''18 May'''
|style='text-align:left'|{{Bus/D|143A|PAST|note=Discontinued with the introduction of Service 143M.}}
|-
|rowspan=6|{{TTS}} '''(Current)'''
|'''2016'''
|'''12 June'''
|style='text-align:left'|Operations transferred to Tower Transit Singapore.
|-
|'''2017'''
|'''26 November'''
|style='text-align:left'|Serves bus stop after Hosp Dr along Eu Tong Sen St with the removal of the bus stop before Hosp Dr along Kg Bahru Rd.
|-
|'''2020'''
|'''6 December'''
|style='text-align:left'|Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.
|-
|rowspan=3|'''2023'''
|rowspan=2|'''8 January'''
|style='text-align:left'|Amended to ply realigned Teban Gdns Rd with the permanent partial closure of Teban Gdns Rd to facilitate the construction of Pandan Reservoir station on the Jurong Region Line, skipping the bus stop before Pandan Gdns along Jurong Town Hall Rd.<ref>[//www.towertransit.sg/announcements/route-amendment-services-79-and-143-143m Route Amendment Services 79 and 143 / 143M] Tower Transit Singapore, 16 December 2022</ref>
|-
|style='text-align:left'|Skips the bus stop outside Newton Stn Exit B along Scotts Rd temporarily to facilitate upgrading works.<ref>[//www.sbstransit.com.sg/Uploads/Whats%20New/Press%20Release%20Attachments/2022/Skipped%20Bus%20Stop%20-%20Closing%20of%20existing%20permanent%20bus%20stop%20at%20Scotts%20Road%20BS40189_LTA%20_Final.pdf Bus Stop Skipped For Service 5, 54, 124, 143, 162/162M, 167, 518/518A & 972M From Sunday, 8 January 2023] SBS Transit, 27 December 2022</ref>
|-
|'''27 August'''
|style='text-align:left'|Serves reinstated bus stop outside Newton Stn Exit B along Scotts Rd.<ref>[//www.sbstransit.com.sg/Uploads/Whats%20New/Press%20Release%20Attachments/2023/Poster%20-%20Bus%20Services%20To%20Call%20At%20Reopened%20Bus%20Stop%20Along%20Scotts%20Road.pdf Reopening Of Bus Stop For Service 5, 54, 124, 143, 162/162M, 167, 518/518A & 972M From Sunday, 27 August 2023] SBS Transit, 14 August 2023</ref>
|}

==Service 143M==
{| class='wikitable' style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=2|{{SBST}}
|rowspan=7|Jurong East ↺ Pandan Gardens
|rowspan=2|'''2014'''
|'''18 May'''
|style='text-align:left'|Introduced between Jurong East Temp Int and Pandan Gdns (Loop) under the LTA's [[Bus Service Enhancement Programme]] (BSEP). {{LWAB}}
|-
|'''24 August'''
|style='text-align:left'|Serves additional bus stop outside Blk 411 along West Coast Rd.
|-
|rowspan=5|{{TTS}} '''(Current)'''
|rowspan=2|'''2016'''
|rowspan=2|'''12 June'''
|style='text-align:left'|Operations transferred to Tower Transit Singapore.
|-
|style='text-align:left'|First bus revised to 0525 hrs on Saturdays. Last bus extended to 0105 hrs daily.
|-
|'''2019'''
|'''5 October'''
|style='text-align:left'|Last bus extended to 0115 hrs daily.
|-
|'''2020'''
|'''6 December'''
|style='text-align:left'|Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.
|-
|'''2023'''
|'''8 January'''
|style='text-align:left'|Amended to ply realigned Teban Gdns Rd with the permanent partial closure of Teban Gdns Rd to facilitate the construction of Pandan Reservoir station on the Jurong Region Line, skipping the bus stop before Pandan Gdns along Jurong Town Hall Rd.<ref>[//www.towertransit.sg/announcements/route-amendment-services-79-and-143-143m Route Amendment Services 79 and 143 / 143M] Tower Transit Singapore, 16 December 2022</ref>
|}

==Service 144==
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=3|'''ABS'''
|Kim Keat Ave ↔ Commonwealth Ave
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Kim Keat Ave Ter and Commonwealth Ave Ter under [[1971 Bus Reorganisation]].
|-
|rowspan=8|Toa Payoh ↔ Commonwealth Ave
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|'''1972'''
|'''11 June'''
|style='text-align:left'|Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
|-
|rowspan=6|{{SBS}}
|'''1974'''
|'''24 February'''
|style='text-align:left'|Amended to ply Grange Rd, Orchard Blvd and Paterson Rd towards Toa Payoh Town Ctr Ter with the conversion of Orchard Rd to one-way traffic.
|-
|'''1975'''
|'''2 February'''
|style='text-align:left'|Amended to ply new slip road from Tiong Bahru Rd to Outram Rd with the conversion of Seng Poh Rd to one-way traffic.
|-
|rowspan=2|'''1977'''
|'''17 May'''
|style='text-align:left'|Amended to ply Commonwealth Ave Extension and Nth Buona Vista Rd towards Commonwealth Ave Ter.
|-
|'''29 August'''
|style='text-align:left'|Amended to ply Holland Ave, Holland Dr and Nth Buona Vista Rd towards Commonwealth Ave Ter.
|-
|'''1981'''
|'''5 July'''
|style='text-align:left'|Amended to ply Cantonment Rd towards Commonwealth Ave Ter, skipping a portion of Neil Rd and New Bridge Rd.
|-
|'''1982'''
|'''11 April'''
|style='text-align:left'|Discontinued.
|}

==Service 145==
{| class='wikitable' style='text-align:center'
!style='{{CSS/BUS|xfc=|xbc=}}'|Operator
!style='{{CSS/BUS|xfc=|xbc=}}'|Route
!style='{{CSS/BUS|xfc=|xbc=}}'|Year
!style='{{CSS/BUS|xfc=|xbc=}}'|Date
!style='{{CSS/BUS|xfc=|xbc=}}'|Service changes
|-
|rowspan=3|{{SGTC}}
|Lor 1 Toa Payoh ↔ Keppel Harbour
|rowspan=4|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Keppel Harbour Ter under [[1971 Bus Reorganisation]].
|-
|Lor 1 Toa Payoh ↔ Pasir Panjang Rd
|'''2 May'''
|style='text-align:left'|Extended to Pasir Panjang Rd Ter.
|-
|rowspan=6|Toa Payoh ↔ Pasir Panjang Rd
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|{{UBC}}
|'''6 December'''
|style='text-align:left'|Operations transferred to United Bus Company.
|-
|rowspan=24|{{SBST}} '''(Current)''' ''Known as {{SBS}} prior to 1 November 2001''
|'''1973'''
|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|'''1979'''
|'''1 August'''
|style='text-align:left'|Amended to ply Lim Teck Kim Rd and Cantonment Rd with the closure of Tg Pagar Ter.
|-
|'''1980'''
|'''20 January'''
|style='text-align:left'|Amended to ply Hoe Chiang Rd towards Pasir Panjang Rd Ter, skipping Lim Teck Kim Rd.
|-
|rowspan=2|'''1981'''
|'''17 May'''
|style='text-align:left'|Amended to skip Moulmein Green.
|-
|rowspan=5|Toa Payoh ↔ Kent Ridge
|'''5 July'''
|style='text-align:left'|Extended to Kent Ridge Ter.
|-
|'''1983'''
|'''26 December'''
|style='text-align:left'|Amended to Toa Payoh Int.
|-
|rowspan=3|'''1987'''
|'''16 February'''
|style='text-align:left'|First bus from Toa Payoh Int brought forward to 0530 hrs on weekdays and Saturdays.
|-
|'''27 September'''
|style='text-align:left'|Amended to ply the extended Eu Tong Sen St towards Toa Payoh Int to facilitate the first stage of road expansion along New Bridge Rd.
|-
|'''1 November'''
|style='text-align:left'|Amended to ply Eu Tong Sen St towards Toa Payoh Int to facilitate the second stage of road expansion along New Bridge Rd.
|-
|rowspan=10|Toa Payoh ↔ Buona Vista
|'''1989'''
|'''27 August'''
|style='text-align:left'|Integrated with Service 186 and extended to Buona Vista Ter.
|-
|'''1998'''
|'''31 May'''
|style='text-align:left'|Amended to Toa Payoh Temp Int.
|-
|'''1999'''
|{{TBC}}
|style='text-align:left'|Skips a pair of removed bus stops outside and opposite Wishart Rd along Telok Blangah Rd.
|-
|'''2000'''
|{{TBC}}
|style='text-align:left'|Last bus from Buona Vista Ter extended to 2400 hrs on Saturdays.
|-
|'''2001'''
|{{TBC}}
|style='text-align:left'|First bus from Toa Payoh Temp Int brought forward to 0530 hrs daily.
|-
|'''2002'''
|'''19 May'''
|style='text-align:left'|Amended to Toa Payoh Integrated Transport Hub.
|-
|'''2004'''
|{{TBC}}
|style='text-align:left'|First bus from Buona Vista Ter brought forward to 0530 hrs on weekdays and Saturdays.
|-
|'''2005'''
|{{TBC}}
|style='text-align:left'|Serves additional bus stop outside Clarke Quay Stn along Eu Tong Sen St.
|-
|'''2006'''
|'''29 October'''
|style='text-align:left'|Serves new bus stop outside VivoCity along Telok Blangah Rd.
|-
|'''2008'''
|'''7 December'''
|style='text-align:left'|Skips removed bus stop opposite Temenggong D Mque along Telok Blangah Rd.
|-
|rowspan=5|{{Bus/D|145|note=Toa Payoh ↔ Buona Vista}}{{Bus/D|145A|note=Tiong Bahru Rd → Henderson Rd}}
|'''2010'''
|'''28 June'''
|style='text-align:left'|{{Bus/D|145A|note=Introduced from Tiong Bahru Rd (Redhill Stn) to Henderson Rd (Blk 1) during morning peak hours on weekdays.}}
|-
|'''2013'''
|'''9 June'''
|style='text-align:left'|{{DWAB}}<ref>[//www.sbstransit.com.sg/news/sbs-transit-to-launch-six-more-wheelchair-accessible-bus-services SBS Transit to launch six more Wheelchair Accessible Bus Services] SBS Transit, 31 May 2013</ref>
|-
|'''2014'''
|'''27 April'''
|style='text-align:left'|Serves new bus stop outside Queens Condo along Commonwealth Ave.
|-
|'''2019'''
|'''23 June'''
|style='text-align:left'|Serves new bus stop outside Tower 15 along Hoe Chiang Rd.
|-
|'''2024'''
|'''15 September'''
|style='text-align:left'|Serves new bus stop along Alexandra Rd opposite Cycle & Carriage.
|}

==Service 146==
===1st Generation (1971 – 1989)===
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=3|'''STC'''
|Lor 1 Toa Payoh ↔ Keppel Harbour
|rowspan=4|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Keppel Harbour Ter under [[1971 Bus Reorganisation]].
|-
|Lor 1 Toa Payoh ↔ Pasir Panjang Rd
|'''2 May'''
|style='text-align:left'|Extended to Pasir Panjang Rd Ter.
|-
|rowspan=6|Toa Payoh ↔ Pasir Panjang Rd
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|rowspan=2|'''UBC'''
|'''6 December'''
|style='text-align:left'|Operations transferred to UBC.
|-
|'''1972'''
|'''18 June'''
|style='text-align:left'|Amended to ply Bendemeer Rd towards Pasir Panjang Rd Ter with the conversion of Serangoon Rd to one-way traffic.
|-
|rowspan=11|{{SBS}}
|rowspan=2|'''1974'''
|'''1 October'''
|style='text-align:left'|Serves merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
|-
|'''8 December'''
|style='text-align:left'|Amended to ply Cecil St, skipping Robinson Rd.
|-
|'''1979'''
|'''11 February'''
|style='text-align:left'|Amended to ply the extended Shenton Way towards Pasir Panjang Rd Ter, skipping Parsi Rd and Anson Rd.
|-
|Toa Payoh ↔ Kent Ridge
|'''1981'''
|'''5 July'''
|style='text-align:left'|Amended to Kent Ridge Ter.
|-
|rowspan=7|Toa Payoh ↔ Clementi
|rowspan=2|'''1983'''
|rowspan=2|'''26 December'''
|style='text-align:left'|Amended to Toa Payoh Int.
|-
|style='text-align:left'|Integrated with Service 176 and extended to Clementi Int.
|-
|'''1985'''
|'''15 December'''
|style='text-align:left'|Amended to ply Jln Toa Payoh and Lor 2 Toa Payoh towards Toa Payoh Int with the partial closure of Kim Keat Ave.
|-
|rowspan=3|'''1988'''
|'''3 January'''
|style='text-align:left'|Serves new staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
|-
|'''11 January'''
|style='text-align:left'|Serves merged bus stop along Ayer Rajah Rd.
|-
|'''8 March'''
|style='text-align:left'|Amended to ply Clementi Ave 3 with the abolition of right turning from Clementi Ave 3 to Commonwealth Ave West.
|-
|'''1989'''
|'''27 August'''
|style='text-align:left'|Integrated with Service 166 and discontinued.
|}

===2nd Generation (since 2024)===
{| class='wikitable' style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=2|{{SBST}} '''(Current)'''
|Bartley Rd ↺ Bidadari Park Dr
|'''2024'''
|'''25 February'''
|style='text-align:left'|Introduced between Bartley Rd and Bidadari Pk Dr (Loop). {{LWAB}}
|-
|Woodleigh ↔ Bartley Rd
|'''2025'''
|'''20 April'''
|style='text-align:left'|Extended to Woodleigh Integrated Transport Hub.<ref>[//www.sbstransit.com.sg/news/new-service-148-and-route-amendment-for-service-146 New Service 148 and Route Amendment for Service 146] SBS Transit, 3 April 2025</ref>
|}

==Service 147==
{| class='wikitable' style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=3|{{ABS}}
|Lor 6 Toa Payoh ↔ Commonwealth Ave
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Lor 6 Toa Payoh Ter and Commonwealth Ave Ter under [[1971 Bus Reorganisation]].
|-
|rowspan=8|Toa Payoh ↔ Commonwealth Ave
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|'''1972'''
|'''18 June'''
|style='text-align:left'|Amended to ply Bendemeer Rd towards Commonwealth Ave Ter with the conversion of Serangoon Rd to one-way traffic.
|-
|rowspan=43|{{SBST}} '''(Current)''' ''Known as {{SBS}} prior to 1 November 2001''
|'''1973'''
|'''1 July'''
|style='text-align:left'|Operations transferred to Singapore Bus Services.
|-
|'''1975'''
|'''2 February'''
|style='text-align:left'|Amended to ply new slip road from Tiong Bahru Rd to Outram Rd with the conversion of Seng Poh Rd to one-way traffic.
|-
|'''1976'''
|'''13 June'''
|style='text-align:left'|Amended to ply Lower Delta Rd, skipping Henderson Rd.
|-
|rowspan=2|'''1977'''
|'''17 May'''
|style='text-align:left'|Amended to ply Commonwealth Ave Extension and Nth Buona Vista Rd towards Commonwealth Ave Ter.
|-
|'''29 August'''
|style='text-align:left'|Amended to ply Holland Ave, Holland Dr and Nth Buona Vista Rd towards Commonwealth Ave Ter.
|-
|'''1980'''
|'''13 July'''
|style='text-align:left'|Amended to ply Commonwealth Ave with the conversion of Queens Circus to a signalised junction, skipping Queensway and Commonwealth Dr.
|-
|Toa Payoh ↔ Buona Vista
|'''1982'''
|'''27 May'''
|style='text-align:left'|Amended to Buona Vista Ter.
|-
|Buona Vista ↺ Potong Pasir Ave 1
|'''1983'''
|'''26 December'''
|style='text-align:left'|Amended to loop at Potong Pasir Ave 1 from Buona Vista Ter.
|-
|rowspan=9|Jurong East ↔ Potong Pasir
|rowspan=2|'''1984'''
|rowspan=2|'''24 June'''
|style='text-align:left'|Integrated with Service 79, extended to Jurong East Ter and amended to ply Kg Bahru Rd and Jln Bt Merah, skipping Outram Rd, Tiong Bahru Rd and Lower Delta Rd.
|-
|style='text-align:left'|Amended to Potong Pasir Ter.
|-
|rowspan=2|'''1985'''
|'''5 May'''
|style='text-align:left'|Enhanced to ply Potong Pasir Ave 2 and Potong Pasir Ave 3 before terminating at Potong Pasir Ter.
|-
|'''30 June'''
|style='text-align:left'|Amended to Jurong East Int.
|-
|rowspan=3|'''1987'''
|'''27 September'''
|style='text-align:left'|Amended to ply the extended Eu Tong Sen St towards Potong Pasir Ter to facilitate the first stage of road expansion along New Bridge Rd.
|-
|'''1 November'''
|style='text-align:left'|Amended to ply Eu Tong Sen St towards Potong Pasir Ter to facilitate the second stage of road expansion along New Bridge Rd.
|-
|'''13 December'''
|style='text-align:left'|Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
|-
|'''1988'''
|'''20 March'''
|style='text-align:left'|Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
|-
|'''1989'''
|'''19 February'''
|style='text-align:left'|Serves new bus stop outside Blk 135 along Jurong East St 13.
|-
|rowspan=3|Jurong East ↔ Upp Serangoon
|rowspan=2|'''1992'''
|'''29 March'''
|style='text-align:left'|Integrated with Service 83, extended to Upp Serangoon Ter and amended to ply Waterloo St/Bras Basah Rd, Middle Rd, Selegie Rd/Bencoolen St and Serangoon Rd/Jln Besar under [[TransitLink Integration Exercise|TransitLink Network Integration Exercise]] Phase 6, skipping Lavender St, Crawford St/Kallang Rd and Nth Bridge Rd/Victoria St.
|-
|'''29 November'''
|style='text-align:left'|Alternate trips were introduced between Upp Serangoon Ter and Commonwealth Ave West (Clementi Stn) under [[TransitLink Integration Exercise|TransitLink Network Integration Exercise]] Phase 10.
|-
|rowspan=2|'''1993'''
|'''11 April'''
|style='text-align:left'|Amended to ply Victoria St, Hill St and New Bridge Rd, skipping Nth Bridge Rd, Sth Bridge Rd and Upp Cross St.
|-
|Clementi ↔ Upp Serangoon
|'''5 December'''
|style='text-align:left'|Shortened to Clementi Int with alternate trips withdrawn under [[TransitLink Integration Exercise|TransitLink Network Integration Exercise]] Phase 14.
|-
|rowspan=6|Hougang Ctrl ↔ Clementi
|'''1994'''
|'''18 December'''
|style='text-align:left'|Amended to Hougang Ctrl Int.
|-
|'''1997'''
|'''7 December'''
|style='text-align:left'|Amended to ply Upp Pickering St, Sth Bridge Rd and Neil Rd with the partial closure of New Bridge Rd to facilitate the construction of Chinatown station on the North East Line.
|-
|rowspan=3|'''1999'''
|{{TBC}}
|style='text-align:left'|Skips temporarily closed bus stops outside and opposite Sch of Mechanical & Mfg along Commonwealth Ave West.
|-
|rowspan=2|'''10 July'''
|style='text-align:left'|Skips the bus stop outside Plaza By The Pk along Bras Basah Rd.
|-
|style='text-align:left'|Amended to ply Prinsep St, skipping Waterloo St and Middle Rd.
|-
|rowspan=2|'''2000'''
|{{TBC}}
|style='text-align:left'|Serves additional bus stop after Jln Bt Merah along Kg Bahru Rd.
|-
|rowspan=5|{{Bus/D|147|note=Hougang Ctrl ↔ Clementi}}{{Bus/D|147A|note=Hougang Ctrl → Serangoon Central}}
|{{TBC}}
|style='text-align:left'|{{Bus/D|147A|note=Introduced from Hougang Ctrl Temp Ter to Serangoon Ctrl (Blk 206) during morning peak hours daily.}}
|-
|'''2001'''
|'''18 October'''
|style='text-align:left'|Serves reinstated bus stops outside Dover Stn along Commonwealth Ave West.
|-
|rowspan=2|'''2002'''
|'''20 April'''
|style='text-align:left'|Amended to ply the reinstated New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd and Neil Rd.
|-
|{{TBC}}
|style='text-align:left'|Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
|-
|rowspan=2|'''2003'''
|{{TBC}}
|style='text-align:left'|Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
|-
|{{Bus/D|147|note=Hougang Ctrl ↔ Clementi}}{{Bus/D|147A|note=Hougang Ctrl → Bencoolen St}}
|{{TBC}}
|style='text-align:left'|{{Bus/D|147A|note=Extended to terminate at Bencoolen St (Plaza By The Pk).}}
|-
|rowspan=10|{{Bus/D|147|note=Hougang Ctrl ↔ Clementi}}{{Bus/D|147A|note=Hougang Ctrl → New Bridge Rd}}
|'''2004'''
|{{TBC}}
|style='text-align:left'|{{Bus/D|147A|note=Extended to terminate at New Bridge Rd (Opp Pearl's Ctr).}}
|-
|'''2005'''
|{{TBC}}
|style='text-align:left'|Serves additional bus stop outside Clarke Quay Stn along Eu Tong Sen St.
|-
|rowspan=2|'''2006'''
|'''29 October'''
|style='text-align:left'|Amended to Clementi Temp Int.
|-
|'''30 October'''
|style='text-align:left'|{{DWAB}}
|-
|rowspan=2|'''2011'''
|'''16 October'''
|style='text-align:left'|Amended to ply Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd with the partial closure of Bencoolen St to facilitate the construction of Bencoolen station on the Downtown Line.
|-
|'''26 November'''
|style='text-align:left'|Amended to Clementi Integrated Transport Hub.
|-
|'''2013'''
|'''29 December'''
|style='text-align:left'|Serves new bus stop outside Outram Pk Stn along New Bridge Rd.
|-
|'''2015'''
|{{TBC}}
|style='text-align:left'|{{Bus/D|147A|note=Revised to operate during morning peak hours on weekdays only.}}
|-
|'''2016'''
|'''11 December'''
|style='text-align:left'|Amended to ply the reinstated Bencoolen St, skipping Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd.
|-
|'''2017'''
|'''26 November'''
|style='text-align:left'|Serves bus stop after Hosp Dr along Eu Tong Sen St with the removal of the bus stop before Hosp Dr along Kg Bahru Rd.
|}

==Service 148==
===1st Generation (1971 – 1989)===
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=3|'''ABC'''
|Kim Keat Ave ↔ Commonwealth Ave
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Kim Keat Ave Ter and Commonwealth Ave Ter under [[1971 Bus Reorganisation]].
|-
|rowspan=5|Toa Payoh ↔ Commonwealth Ave
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|'''1972'''
|'''18 June'''
|style='text-align:left'|Amended to ply Bendemeer Rd towards Commonwealth Ave Ter with the conversion of Serangoon Rd to one-way traffic.
|-
|rowspan=10|{{SBS}}
|'''1975'''
|'''6 July'''
|style='text-align:left'|Amended to ply Jln Kolam Ayer, Kallang Bahru, Boon Keng Rd, Lor 1 Geylang and Sims Ave/Geylang Rd, skipping Lavender St.
|-
|rowspan=2|'''1977'''
|'''17 May'''
|style='text-align:left'|Amended to ply Commonwealth Ave Extension and Nth Buona Vista Rd towards Commonwealth Ave Ter.
|-
|'''29 August'''
|style='text-align:left'|Amended to ply Holland Ave, Holland Dr and Nth Buona Vista Rd towards Commonwealth Ave Ter.
|-
|rowspan=7|Toa Payoh ↔ Buona Vista (1982 - 1989)
|rowspan=2|'''1982'''
|'''27 May'''
|style='text-align:left'|Amended to Buona Vista Ter.
|-
|'''11 June'''
|style='text-align:left'|Amended to ply Bendemeer Rd and Geylang Bahru, skipping Jln Kolam Ayer.
|-
|rowspan=2|'''1983'''
|'''1 January'''
|style='text-align:left'|Amended to ply Woodsville Flyover, skipping Bendemeer Rd, Whampoa Nth and Serangoon Rd.
|-
|'''26 December'''
|style='text-align:left'|Amended to Toa Payoh Int.
|-
|'''1985'''
|'''15 December'''
|style='text-align:left'|Amended to ply Jln Toa Payoh and Lor 2 Toa Payoh towards Toa Payoh Int with the partial closure of Kim Keat Ave.
|-
|'''1987'''
|'''27 September'''
|style='text-align:left'|Amended to ply Sth Bridge Rd, Nth Canal Rd and Eu Tong Sen St, skipping Upp Circular Rd.
|-
|'''1989'''
|'''27 August'''
|style='text-align:left'|Integrated with Service 26 and discontinued.
|}

===2nd Generation (1992)===
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|{{SBS}}
|rowspan=2|Clementi ↔ Lor 1 Geylang
|rowspan=2|'''1992'''
|'''29 March'''
|style='text-align:left'|Introduced between Clementi Int and Lor 1 Geylang Ter under [[TransitLink Integration Exercise|TransitLink Network Integration Exercise]] Phase 6.
|-
|'''29 November'''
|style='text-align:left'|Discontinued under [[TransitLink Integration Exercise|TransitLink Network Integration Exercise]] Phase 10.
|}

===3rd Generation (since 2025)===
{| class='wikitable' style='text-align:center'
!style={{CSS/BUS|xfc=|xbc=}}|Operator
!style={{CSS/BUS|xfc=|xbc=}}|Route
!style={{CSS/BUS|xfc=|xbc=}}|Year
!style={{CSS/BUS|xfc=|xbc=}}|Date
!style={{CSS/BUS|xfc=|xbc=}}|Service changes
|-
|rowspan=2|{{SBST}} '''(Current)'''
|rowspan=2|Woodleigh ↺ Potong Pasir Ave 1
|rowspan=2|'''2025'''
|'''20 April'''
|style='text-align:left'|Introduced between Woodleigh Int and Potong Pasir Ave 1 (Loop) under LTA's Bus Connectivity Enhancement Programme (BCEP), operating between 0600hrs and 0000hrs daily. {{LWAB}}<ref>[//www.sbstransit.com.sg/news/new-service-148-and-route-amendment-for-service-146 "New Service 148 and Route Amendment for Service 146"] SBS Transit, 3 April 2025</ref>
|-
|'''13 July'''
|style='text-align:left'|Serves new bus stops outside Blk 227 along Sang Nila Utama Rd.<ref>[//www.sbstransit.com.sg/news/service-148-to-call-at-new-bus-stop-along-sang-nila-utama-road "Service 148 to Call at New Bus Stop Along Sang Nila Utama Road"] SBS Transit, 16 June 2025</ref>
|}

==Service 149==
===1st Generation (1971 – 1980)===
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|'''UBC'''
|Kim Keat Ave ↔ Prince Edward
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Kim Keat Ave Ter and Prince Edward Ter under [[1971 Bus Reorganisation]].
|-
|rowspan=10|Toa Payoh ↔ Prince Edward
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|rowspan=9|{{SBS}}
|rowspan=2|'''1974'''
|'''3 February'''
|style='text-align:left'|Integrated with Service 149A and amended to ply Lor 6 Toa Payoh, Lor 2 Toa Payoh, Lor 1A Toa Payoh, Lor 1 Toa Payoh, Lor 2 Toa Payoh, Lor 3 Toa Payoh, Lor 4 Toa Payoh, Lor 5 Toa Payoh, Lor 4 Toa Payoh and Lor 1 Toa Payoh under [[1974 Bus Rationalisation]].
|-
|'''8 December'''
|style='text-align:left'|Amended to ply Cecil St, skipping Robinson Rd.
|-
|'''1975'''
|'''21 July'''
|style='text-align:left'|Amended to ply Stamford Rd, skipping Coleman St and Armenian St.
|-
|'''1976'''
|'''14 March'''
|style='text-align:left'|Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
|-
|rowspan=2|'''1978'''
|'''5 March'''
|style='text-align:left'|Amended to ply Keng Lee Rd with the partial conversion of Kg Java Rd to one-way traffic.
|-
|'''3 December'''
|style='text-align:left'|Amended to ply Mayne Rd and Bt Timah Rd with the partial conversion of Mackenzie Rd to two-way traffic.
|-
|rowspan=2|'''1979'''
|'''11 February'''
|style='text-align:left'|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
|-
|'''28 October'''
|style='text-align:left'|Amended to ply Sungei Rd (towards Prince Edward Ter) and Bt Timah Rd (towards Toa Payoh Town Ctr Ter) with the partial conversion of Bt Timah Rd to two-way traffic and Rochor Canal Rd to one-way traffic, skipping Mackenzie Rd and Mayne Rd.
|-
|'''1980'''
|'''3 February'''
|style='text-align:left'|Integrated with Service 150 and discontinued.
|}

===2nd Generation (1983 – 1993)===
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=8|{{SBS}}
|rowspan=8|Toa Payoh ↺ Changi Airport
|rowspan=2|'''1983'''
|'''25 June'''
|style='text-align:left'|Introduced between Toa Payoh Town Ctr Ter and Changi Airport PTB (Loop) under Changi Airport Bus Plan 1983.
|-
|'''26 December'''
|style='text-align:left'|Amended to Toa Payoh Int.
|-
|'''1984'''
|'''14 September'''
|style='text-align:left'|Amended to ply Siglap Rd and Siglap Lk towards Changi Airport with the opening of ECP.
|-
|'''1985'''
|'''15 December'''
|style='text-align:left'|Amended to ply Jln Toa Payoh and Lor 2 Toa Payoh towards Toa Payoh Int with the partial closure of Kim Keat Ave.
|-
|'''1989'''
|'''19 November'''
|style='text-align:left'|Serves new bus stop outside Kallang Stn along Sims Ave.
|-
|'''1990'''
|'''13 October'''
|style='text-align:left'|Amended to serve Changi Airport PTB 2.
|-
|'''1991'''
|'''7 July'''
|style='text-align:left'|Serves new bus stop outside PA Sea Sports Ctr along ECP.
|-
|'''1993'''
|'''5 December'''
|style='text-align:left'|Integrated with Services 16 and 31 and discontinued under [[TransitLink Integration Exercise|TransitLink Network Integration Exercise]] Phase 14.
|}

==Service 149A==
{| class='wikitable' style='text-align:center'
!style={{CSS/PAST|xfc=|xbc=}}|Operator
!style={{CSS/PAST|xfc=|xbc=}}|Route
!style={{CSS/PAST|xfc=|xbc=}}|Year
!style={{CSS/PAST|xfc=|xbc=}}|Date
!style={{CSS/PAST|xfc=|xbc=}}|Service changes
|-
|rowspan=2|'''UBC'''
|Lor 1 Toa Payoh ↺ Finlayson Green
|rowspan=2|'''1971'''
|'''11 April'''
|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Finlayson Green (Loop) under [[1971 Bus Reorganisation]].
|-
|rowspan=2|Toa Payoh ↺ Finlayson Green
|'''2 August'''
|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
|-
|{{SBS}}
|'''1974'''
|'''3 February'''
|style='text-align:left'|Integrated with Service 149 and discontinued under [[1974 Bus Rationalisation]].
|}

==References==
<references/>

==See also==
* [[History of Bus Services]]

[[Category:Buses]]
[[Category:SBS Transit]]
[[Category:Tower Transit Singapore]]