Bus Service 21

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Service 21
SG5023P 21.jpg
Route Information
Route Pasir Ris Interchange ↔ St. Michael's Terminal
Route Length 27.4 km (towards St. Michael's)
25.0 km (towards Pasir Ris)
Travelling Time 130 mins (2 h 10 mins)
Operator SBS Transit
(Bishan – Toa Payoh Bus Package)

SBS Transit Bus Service 21 is an inter-town service linking the residential estates of Pasir Ris, Tampines, Bedok, Geylang, Kallang, and Balestier (Novena subzone).

On sundays and public holidays, Short-Trip 21A supplements the high demand from Geylang to Kitchener Road.

Service 21 uses coloured information plates.

21
(towards Pasir Ris Interchange)
21
(towards Saint Michael's Terminal)

Service Information

Bus Duty & Fleet

Service 21/21A
Depot Fleet Size Fleet
21 21A
Hougang Depot (HGDEP) 21 4 10 Single Deckers 11 Double Deckers
SBS6014Y
SBS6624L
Mercedes-Benz O530 Citaro
SBS5023C
SBS5109P
SBS8280G
SBS8287M
SBS8289H
SBS8816L
SBS8823R
SBS8830U
Scania K230UB
SG6042C
SG6222A
SG6223Y
SG6233T
SG6261L
MAN ND323F
SBS3158K
SBS3186DA
SBS3726X
SBS3847E
SBS3904Z
SG5116E
SG5118A
Volvo B9TL
Bedok North Depot (BNDEP) 8 N/A 5 Single Deckers 3 Double Deckers
SBS8179S
SBS8230B
SBS8532E
SBS8662M
SBS8667A
Scania K230UB
SBS3013U
SBS7668D
SG5023P
Volvo B9TL
Notes
  • 1 extra HGDEP DD.
  • Several random BNDEP DDs will operate on Service 21 on Weekends & Public Holidays.
  • Several random HGDEP DDs will operate on Service 21 on Sundays & Public Holidays.
  • 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)
Service 21 duty allocation
Hougang
Weekdays
(12A-12P / 7S / 2T)
A/P SBS3158K, SBS3186D, SBS3847E, SBS3904Z, SBS5023C, SBS6014Y, SBS6624L, SG5116E, SG6222A, SG6223Y, SG6233T & SG6261L
S SBS5109P, SBS8280G, SBS8287M, SBS8289H, SBS8816L & SG5118A
T SBS8823R & SBS8830U
Saturdays
(12A-15P / 1T)
A/P SBS5023C, SBS8287M, SBS3158K, SBS3186D, SBS3726X, SBS3847E, SG5116E, SG5118A, SG6222A, SG6223Y, SG6233T & SG6261L
P SBS8823R
T Random DD
Sundays & Public Holidays
(8A-10P / 2S / 6T)
A/P SBS3158K, SBS6014Y, SBS6624L, SG6222A, SG6223Y, SG6233T & SG6261L
P SBS3847E
S SG5116E
T SBS3186D
Bedok North
Weekdays
(7A-6P / 1S)
A/P SBS3013U, SBS7668D, SBS8179S, SBS8532E, SBS8662M & SG5023P
A SBS8230B
S SBS8667A
Saturdays
(7A-7P)
A/P SBS3013U, SBS7668D, SG5023P & 4 Random DDs
Sundays & Public Holidays
(6A-7P)
A/P SBS3013U, SBS7668D, SG5023P & 3 Random DDs
P Random DD

Route Information

Frequency

Period AM Peak
(First Bus - 08:30)
AM Off Peak
(08:31 - 16:59)
PM Peak
(17:00 - 19:00)
PM Off Peak
(19:01 - Last Bus)
towards St. Michael's 07 - 15 minutes 08 - 16 minutes 11 - 16 minutes 12 - 16 minutes
towards Pasir Ris 10 - 15 minutes 08 - 15 minutes 08 - 17 minutes 12 - 16 minutes

Special Departures

Collapse
icon82069
Aft Lor 106 Changi
Changi Rd
icon52499

Departure Time
Weekdays
05:55
(SG5116E)
06:12
(SBS8179S)
Saturdays
05:55
(SG6233T)
06:06
(SBS3013U)
Sundays & Public Holidays
05:55
(SBS3158K)
Collapse
icon80089
Bef Lor 18 Geylang
Geylang Rd
icon52499

Departure Time
Sundays & Public Holidays
17:51
(SBS3186D)
18:15
18:31
Collapse
icon82061
Eunos Stn/Int
Sims Ave
icon77009
Pasir Ris Int
Pasir Ris Dr 3

Departure Time
Weekdays
05:50
(SG6233T)
06:00
(SG6261L)
06:18
06:31

Short-Trip 21A

Collapse
icon80089
Bef Lor 18 Geylang
Geylang Rd
icon07231
Bef Tai Hoe Hotel No Handicapped/disabled access
Kitchener Rd

Departure Time
Sundays & Public Holidays
16:52
(SBS3186D)
17:11
(DD)
17:22
(DD)
17:42
(DD)
17:56

Direction 1 (Pasir Ris → St. Michael's)

Collapse

[Show/Hide Full Route Details]

Bus Stops Point of Interest Weekdays Saturdays Suns / PHs
First bus Last bus First bus Last bus First bus Last bus
icon77009
Pasir Ris Int(Berth B1)
Pasir Ris Dr 3
EW1Pasir Ris
Pasir Ris Mall
Pasir Ris Town Park
Whitesands Mall
05:3000:0005:3000:0005:3000:00
icon76229
Opp Tampines East Stn
Tampines Ave 7
DT33Tampines East 05:5400:2105:5200:2205:5100:21
icon76149
Opp Tampines Stn/Int
Tampines Ave 4
EW2DT32Tampines
Tampines 1
05:5800:2405:5600:2505:5400:23
icon75059
Bef Tampines West Stn
Tampines Ave 1
DT31Tampines West
SAFRA Tampines
06:0300:2906:0100:2905:5900:28
icon83109
Opp Eunos Stn
Jln Eunos
EW7Eunos 06:2500:4606:2200:4606:1700:43
icon82069
Aft Lor 106 Changi
Changi Rd
05:5500:4805:5500:4805:5500:45
icon80089
Bef Lor 18 Geylang
Geylang Rd
21A 06:0400:5606:0400:5706:0400:54
icon80101
Kallang Stn/Opp Blk 2C
Lor 1 Geylang
21AEW10Kallang 06:0801:0006:0801:0106:0800:58
icon07231
Bef Tai Hoe Hotel No Handicapped/disabled access
Kitchener Rd
21ACity Square Mall
Mustafa Centre
06:1601:0706:1601:0906:1601:06
icon07211
Aft Farrer Pk Stn Exit G
S'goon Rd
NE8Farrer Park
City Square Mall
06:1801:0806:1801:1106:1801:07
icon50031
Opp Novena Ch
Thomson Rd
NS20Novena 06:2801:1606:2701:1906:2701:14
icon52129
Blk 29
Jln Bahagia
1
21(towards St. Michael's Terminal)
06:4001:2406:4001:2806:3901:22
icon52049
Blk 19
Jln Tenteram
1
21(towards St. Michael's Terminal)
06:4101:2506:4101:2906:4001:23
icon52119
Opp Blk 65
Jln Tenteram
1
21(towards St. Michael's Terminal)
06:4301:2706:4301:3106:4201:25
icon52499
St. Michael's Ter(Berth B1)
Whampoa Rd
06:4501:2806:4601:3206:4201:26

Notes:

  • 1: This service calls at this stop in both directions (towards Pasir Ris and towards St Michael’s). Commuters are to check the bus destination before boarding.
  • 06:00: Underlined times indicate that the first bus is a downroute bus rather than one starting from the first stop.

Direction 2 (St. Michael's → Pasir Ris)

Collapse

[Show/Hide Full Route Details]

Bus Stops Point of Interest Weekdays Saturdays Suns / PHs
First bus Last bus First bus Last bus First bus Last bus
icon52499
St. Michael's Ter(Berth B1)
Whampoa Rd
05:3000:0005:3000:0005:3000:00
icon52129
Blk 29
Jln Bahagia
1
21(towards Pasir Ris Interchange)
05:3200:0205:3200:0205:3200:02
icon52049
Blk 19
Jln Tenteram
1
21(towards Pasir Ris Interchange)
05:3300:0305:3300:0305:3300:03
icon52119
Opp Blk 65
Jln Tenteram
1
21(towards Pasir Ris Interchange)
05:3500:0405:3500:0505:3500:05
icon50038
Novena Stn
Thomson Rd
NS20Novena
Velocity @ Novena Square
Tan Tock Seng Hospital
05:4500:1405:4600:1505:4600:15
icon60199
Boon Keng Stn/Blk 22
Boon Keng Rd
NE9Boon Keng 05:5400:2005:5400:2205:5400:22
icon80109
Opp Kallang Stn/Blk 2C
Lor 1 Geylang
EW10Kallang 05:5900:2405:5900:2605:5900:26
icon81011
Aft Aljunied Stn
Sims Ave
EW9Aljunied 06:0500:2906:0400:3106:0400:31
icon82011
Aft Paya Lebar Quarter
Sims Ave
EW8CC9Paya Lebar
Paya Lebar Quarter
Singpost Centre
06:1000:3306:0800:3506:0900:35
icon82061
Eunos Stn/Int
Sims Ave
EW7Eunos 05:5000:3606:1100:3806:1200:38
icon83101
Eunos Stn
Jln Eunos
EW7Eunos 05:5200:3806:1300:3906:1400:39
icon75051
Tampines West Stn Exit B
Tampines Ave 1
DT31Tampines West
SAFRA Tampines
06:1400:5806:3300:5806:3600:59
icon76141
Tampines Stn/Int
Tampines Ave 4
EW2DT32Tampines
Tampines 1
06:2001:0206:3801:0206:4101:04
icon76221
Tampines East Stn Exit A
Tampines Ave 7
DT33Tampines East 06:2601:0606:4201:0606:4501:08
icon77009
Pasir Ris Int(Alighting)
Pasir Ris Dr 3
EW1Pasir Ris
Pasir Ris Mall
Pasir Ris Town Park
Whitesands Mall
06:5001:2707:0301:2507:0301:26

Notes:

  • 1: This service calls at this stop in both directions (towards Pasir Ris and towards St Michael’s). Commuters are to check the bus destination before boarding.
  • 06:00: Underlined times indicate that the first bus is a downroute bus rather than one starting from the first stop.

Historical Information

Operator Route Year Date Service changes
SBS Transit
(Current)
Known as SBS prior to 1 November 2001
Pasir Ris ↔ Lor 1 Geylang 1992 29 November Introduced between Pasir Ris Int and Lor 1 Geylang Ter under TransitLink Network Integration Exercise Phase 10.
Pasir Ris ↔ St. Michael's 1993 23 May Integrated with Service 4 and extended to St Michael's Ter under TransitLink Network Integration Exercise Phase 13.
1994 TBC Skips the bus stop outside Kallang Stn along Sims Ave.
1999 TBC Serves new pair of bus stops outside and opposite The Clearwater Condo along Bedok Reservoir Rd.
2001 18 February Serves new staggered bus stop outside Novena Stn along Thomson Rd, skipping the bus stop outside Novena Ch.
2002 TBC Serves new pair of bus stops opposite and between Blks 731 and 734 along Bedok Reservoir Rd.
2003 21 June Amended to ply Bendemeer Rd, Jln Besar, Kitchener Rd and Serangoon Rd under North East Line Rationalisation Phase 1.
2004 27 April Amended to ply Geylang Rd, Kallang Rd and Sims Ave towards St. Michael's Ter with the temporary conversion of Lor 1 Geylang to one-way traffic.
6 December Amended to ply the reinstated Lor 1 Geylang towards St. Michael's Ter, skipping Geylang Rd, Kallang Rd and Sims Ave.
2006 26 June Designated wheelchair-accessible bus service (WAB). WAB
21Pasir Ris ↔ St. Michael's
21AGeylang Rd → Kitchener Rd
2014 25 May
21AIntroduced from Geylang Rd (Bef Lor 18 Geylang) to Kitchener Rd (Bef Tai Hoe Hotel) on Sundays and Public Holidays. Wheelchair-accessible bus service (WAB) at launch. WAB
2016 24 April Amended to ply Jln Tenteram in both directions.
2022 30 October Temporarily amended to ply Pasir Ris St 11 and Pasir Ris St 12 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of CR4Pasir Ris East station on the Cross Island Line.

External Links

icon Bishan – Toa Payoh Bus Package [ VTE]
Services Trunk 82126505254567388 • 124 • 125 • 139 • 142155157 • 186 SBS Transit
Operated under Negotiated Contract
Feeder Toa Payoh 230231232235238
Bishan 410G410W
Defunct 128 • 139M • CT8 • 1N
Bus Fleet Hougang Depot (HGDEP) and Braddell Bus Park (BRBP)
Single Deckers MAN NL323F Euro VI
Mercedes-Benz O530 Citaro Batch 1Batch 2Batch 3
Scania K230UB Euro IV (Batch 1Batch 2) • Euro V (Batch 1Batch 2)
Double Deckers MAN ND323F Euro V (Batch 3) • Euro VI (Batch 1Batch 2)
Volvo B9TL Wright Eclipse Gemini 2 (Batch 1Batch 2Batch 3Batch 4)