SBS Transit Bus Service 21

SBS Transit Bus Service 21 is a trunk service plying between Pasir Ris and St. Michael’s, passing through Tampines, Bedok Reservoir, Kaki Bukit, Geylang, Bendemeer, and Balestier.

21
77009
Pasir Ris Int
Pasir Ris Dr 3
78109
Downtown East
Pasir Ris Dr 3
78081
Blk 467
Pasir Ris Dr 6
78071
Blk 446
Pasir Ris Dr 6
78069
Blk 442
Pasir Ris Dr 1
78059
Blk 210
Pasir Ris Dr 1
98099
Blk 269A
Pasir Ris Dr 1
98019
Opp Blk 149A
Loyang Ave
76249
Blk 370
Tampines Ave 7
76239
Blk 390/Opp Tampines JC
Tampines Ave 7
76229
OPP TAMPINES EAST STN
Tampines Ave 7
76219
Blk 230E
Tampines Ave 7
76209
Blk 233
Tampines Ave 7
76149
Opp Tampines Stn/Int
Tampines Ave 4
76139
Opp Century Sq
Tampines Ave 4
76069
Blk 147
Tampines Ave 5
75059
BEF TAMPINES WEST STN
Tampines Ave 1
75069
Bedok Reform Trg Ctr
Bedok Reservoir Rd
75349
The Clearwater Condo
Bedok Reservoir Rd
84609
Waterfront Key
Bedok Reservoir Rd
84639
Aft Waterfront Waves
Bedok Reservoir Rd
84619
Waterfront Isle
Bedok Reservoir Rd
84629
Blk 716
Bedok Reservoir Rd
84479
Blk 713
Bedok Reservoir Rd
84469
Blk 703
Bedok Reservoir Rd
84481
Aft Bedok Ind Pk C
Bedok Reservoir Rd
84491
Blk 629
Bedok Reservoir Rd
72079
Blk 609
Bedok Reservoir Rd
72069
Blk 121
Bedok Reservoir Rd
72029
Opp Blk 646
Bedok Reservoir Rd
72019
Eunos Mans
Jln Eunos
83119
Opp Blk 16
Jln Eunos
83109
Opp Eunos Stn
Jln Eunos
82069
Aft Lor 106 Changi
Changi Rd
82049
Joo Chiat Cplx
Changi Rd
82029
Blk 14 Mkt/FC
Geylang Rd
82109
City Plaza
Geylang Rd
81069
Opp Lor 39 Geylang
Geylang Rd
81049
Aft Lor 34 Geylang
Geylang Rd
81029
Aft Lor 28 Geylang
Geylang Rd
80089
Bef Lor 18 Geylang
Geylang Rd
80069
Opp Mohd Salleh Mque
Geylang Rd
80049
Aft Sims Way
Geylang Rd
80101
Kallang Stn/Opp Blk 2C
Lor 1 Geylang
60051
Opp Kallang Pl
Boon Keng Rd
60099
Bef Lavender St
Bendemeer Rd
07329
Hoa Nam Bldg
Jln Besar
07231
Bef Tai Hoe Hotel
Kitchener Rd
07211
Aft Farrer Pk Stn Exit G
S'goon Rd
07221
Sri Vadapathira K Tp
S'goon Rd
50249
S'pore Khalsa Assn
Balestier Rd
50239
S'pore Indian Assn
Balestier Rd
50129
Opp Tan Tock Seng Hosp
Moulmein Rd
50119
St. Joseph Instn Jnr
Moulmein Rd
50031
Opp Novena Ch
Thomson Rd
50041
Novena Lodge
Thomson Rd
50161
Bef Jln Dusun
Balestier Rd
50171
Zhongshan Mall
Balestier Rd
50191
Bef Balestier Plaza
Balestier Rd
50201
Shaw Plaza
Balestier Rd
50211
Opp Balestier Pt
Balestier Rd
50991
Blk 82
Whampoa Dr
52129
Blk 29
Jln Bahagia
52049
Blk 19
Jln Tenteram
52119
Opp Blk 65
Jln Tenteram
52499
St. Michael's Ter
Whampoa Rd
52499
St. Michael's Ter
Whampoa Rd
52451
Blk 114
Whampoa Rd
52129
Blk 29
Jln Bahagia
52049
Blk 19
Jln Tenteram
52119
Opp Blk 65
Jln Tenteram
52099
Opp NKF
Kim Keat Rd
50159
Bef Kim Keat Lane
Kim Keat Rd
50209
Aft Pegu Rd
Balestier Rd
50199
Opp Shaw Plaza
Balestier Rd
50189
Opp Public Man
Balestier Rd
50179
Opp Zhongshan Mall
Balestier Rd
50169
Aft Irrawaddy Rd
Balestier Rd
50059
Opp Thomson Med Ctr
Thomson Rd
50049
Opp Novena Lodge
Thomson Rd
50038
Novena Stn
Thomson Rd
50111
Revival Ctr Ch
Moulmein Rd
50121
Natl Skin Ctr
Moulmein Rd
50231
Northlight Sch
Balestier Rd
50331
Blk 122
Mcnair Rd
50349
Blk 107
Towner Rd
60199
Boon Keng Stn/Blk 22
Boon Keng Rd
60059
Bef Kallang Pl
Boon Keng Rd
80109
Opp Kallang Stn/Blk 2C
Lor 1 Geylang
80051
Aft Lor 1 Geylang
Sims Ave
80071
Yi Xiu Fty Bldg
Sims Ave
80091
Bef Lor 23 Geylang
Sims Ave
81011
Aft Aljunied Stn
Sims Ave
81031
Blk 134
Sims Ave
81051
Sims Ville
Sims Ave
82011
Aft Tg Katong Cplx
Sims Ave
82032
Blk 416
Sims Ave
82061
Eunos Stn/ Int
Sims Ave
83101
Eunos Stn
Jln Eunos
83111
Blk 17
Jln Eunos
72011
Blk 322
Jln Eunos
72021
Blk 646
Bedok Reservoir Rd
72061
Blk 122
Bedok Reservoir Rd
72071
Blk 133
Bedok Reservoir Rd
84499
Blk 140
Bedok Reservoir Rd
84489
Aft Bedok Ind Pk C
Bedok Reservoir Rd
84461
Opp Blk 701
Bedok Reservoir Rd
84471
Blk 745
Bedok Reservoir Rd
84621
Opp Blk 716
Bedok Reservoir Rd
84611
Opp Waterfront Isle
Bedok Reservoir Rd
84631
Opp Waterfront Waves
Bedok Reservoir Rd
84601
Opp Waterfront Key
Bedok Reservoir Rd
75341
Opp The Clearwater Condo
Bedok Reservoir Rd
75061
Opp Bedok Reform Trg Ctr
Bedok Reservoir Rd
75051
TAMPINES WEST STN EXIT B
Tampines Ave 1
76061
Blk 938
Tampines Ave 5
76131
UOB Tampines Ctr
Tampines Ave 4
76141
Tampines Stn/Int
Tampines Ave 4
76201
Blk 423
Tampines Ave 7
76211
Blk 449
Tampines Ave 7
76221
TAMPINES EAST STN EXIT A
Tampines Ave 7
76231
Tampines JC/Opp Blk 390
Tampines Ave 7
76241
Blk 497D
Tampines Ave 7
98011
Blk 149A
Loyang Ave
98091
Blk 156
Pasir Ris Dr 1
78051
Blk 197
Pasir Ris Dr 1
78061
Blk 104
Pasir Ris Dr 1
78079
Blk 429
Pasir Ris Dr 6
78089
Blk 405
Pasir Ris Dr 6
78101
Opp Downtown East
Pasir Ris Dr 3
77009
Pasir Ris Int
Pasir Ris Dr 3

Note:

  • Commuters along Jalan Bahagia & Jalan Tenteram should check the bus destination and service number plate displayed on the front of the bus as buses from both directions will call at the same stops.
    RED plated Service 21 buses are bound for Pasir Ris, while
    WHITE plated Service 21 buses are bound for St. Michael’s.
Technical Information
Route WAB_logo_20px
Pasir Ris Bus Interchange ↔ St. Michael’s Bus Terminal
Passes Through Tampines, Bedok Reservoir, Kaki Bukit, Geylang, Bendemeer, Moulmein, Balestier
Route Length 27.4 km (D1) | 25.1 km (D2)
Traveling Time 130 mins
Operator Information
BCM Route Package Bishan – Toa Payoh Bus Package
Current Operator SBS Transit Ltd
Current Depot Ang Mo Kio Bus Depot (AMDEP)
Bedok North Bus Depot (BNDEP)
Current Fleet 12-metre Double Deck Bus:
Volvo B9TL
12-metre Single Deck Bus:
Mercedes-Benz O530 Citaro
Scania K230UB
Departure Times from Pasir Ris
0530hrs – 0000hrs (Daily)
Departure Times from St. Michael’s
0530hrs – 0000hrs (Daily)
Frequency Direction 1 Direction 2
0630-0830: 07 – 12 mins
0831-1659: 08 – 15 mins
1700-1900: 11 – 14 mins
After 1900: 12 – 14 mins
0630-0830: 09 – 11 mins
0831-1659: 08 – 14 mins
1700-1900: 09 – 14 mins
After 1900: 12 – 15 mins

Service 21 spans from Central to East, serving many residential areas throughout its route, such as Whampoa, Balestier, Boon Keng, Kallang, Paya Lebar, Eunos, Kaki Bukit, Bedok Reservoir, Tampines and Pasir Ris. Its lengthy route and large coverage makes it an important inter-town route, and as a result, journey time is relatively long for its length.

Introduced in 1992, the route originally ran between Pasir Ris Int and Lorong 1 Geylang Ter before being extended to St. Michael’s in 1993 following the merger with then-Service 4. Service 21 made history on 26 June 2006 as the first wheelchair-accessible bus service in Singapore following the debut of Volvo B9TL CDGEs on the route.

The route has several key sectors offering important connections, such as that between St. Michael’s Estate and Novena MRT, Farrer Park and the Geylang district, as well as that between Eunos MRT and Bedok Reservoir Road. As such, in addition to demand from inter-town connections, the route experiences high demand throughout the day, and relies on  fleet comprising mostly of double-decker buses.

Around Farrer Park, the route plies very different stretches in either direction. Commuters are advised to be aware of the bus stops served.

Service 21 is a wheelchair-accessible bus route (WAB) since 26 Jun 2006. It received additional buses under the Bus Service Enhancement Programme (BSEP) progressively from 2013 onwards.

Route Amendment to Jalan Tenteram

Main article: Route Amendment of Bus 21 to Jalan Tenteram

From 24 April 2016, Bus Service 21 was amended to ply Jalan Tenteram on both directions, skipping Bus Stop 52109 – Bet Blks 33/34 along Jalan Bahagia. Commuters at Jalan Tenteram should check the colour of the plates displayed on the front of the bus before boarding the bus. Affected commuters who rely on Bus Service 21 to Novena MRT Station from Bus Stop 52109 can take Bus Service 131 instead.

MRT Stations Served
Special Departures
  • Changi Road (Aft Lor 106 Changi)  St. Michaels’s Ter
    Weekdays: 0555hrs, 0610hrs
    Saturdays: 0555hrs, 0606hrs
    Sundays / Public Holidays: 0555hrs
  • Sims Ave (Eunos Stn/Int) Pasir Ris Int
    Weekdays: 0550hrs, 0600hrs, 0618hrs, 0631hrs
Short Trip Service
  • Service 21A: Geylang Road (Bef Lor 18 Geylang) → Kitchener Road (Bef Tai Hoe Hotel)
    Sundays & Public Holidays: 1652hrs, 1715hrs, 1720hrs, 1744hrs & 1800hrs

Service 21A caters to high weekend demand from migrant workers commuting from the Geylang area to Kitchener Road near Little India.

Fare: Charges basic distance fares. See Bus Fares.

Ding Dong Bell

Ding Dong!

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