- 1 AMDEP Service 21 DD will
- perform two (2) supplementary trips as Short Trip 21A during Sundays & Public Holidays AM Off-Peak & PM Peak, departing Geylang Road (Bus Stop 80089 - Bef Lor 18 Geylang) at 1652 hours & 1722 hours.
- perform one (1) down-route trip as Service 21 from Geylang Road (Bus Stop 80089 - Bef Lor 18 Geylang) towards Saint Michael's Terminal during Sundays & Public Holidays PM Peak, departing at 1751 hours.
- 1 AMDEP Service 21 DD will
- perform two (2) supplementary trips as Short Trip 21A during Sundays & Public Holidays PM Peak, departing Geylang Road (Bus Stop 80089 - Bef Lor 18 Geylang) at 1711 hours & 1742 hours.
- perform one (1) down-route trip as Service 21 from Geylang Road (Bus Stop 80089 - Bef Lor 18 Geylang) towards Saint Michael's Terminal during Sundays & Public Holidays AM Off-Peak & PM Peak, departing at 1815 hours.
- 1 AMDEP Service 21 DD will
- perform one (1) supplementary trip as Short Trip 21A during Sundays & Public Holidays PM Peak, departing Geylang Road (Bus Stop 80089 - Bef Lor 18 Geylang) at 1756 hours.
- perform one (1) down-route trip as Service 21 from Geylang Road (Bus Stop 80089 - Bef Lor 18 Geylang) towards Saint Michael's Terminal during Sundays & Public Holidays PM Peak, departing at 1826 hours.
- 2 AMDEP Service 21 DDs & 2 other Service 21 buses will perform down-route trips as Service 21 from Sims Avenue (Bus Stop 82061 - Eunos Stn/Int) towards Pasir Ris Interchange before & during Weekdays AM Peak, departing at 0550 hours, 0600 hours, 0618 hours & 0631 hours.
- SBS3013U & SG6233T (Service 21) will perform one (1) down-route trip as Service 21 from Changi Road (Bus Stop 82069 - Aft Lor 106 Changi) towards Saint Michael's Terminal before Saturdays AM Peak, departing at 0606 hours & 0555 hours respectively.
- SBS6624L & SG5116E (Service 21) will perform one (1) down-route trip as Service 21 from Changi Road (Bus Stop 82069 - Aft Lor 106 Changi) towards Saint Michael's Terminal before Weekdays AM Peak, departing at 0610 hours & 0555 hours respectively.
- 1 AMDEP Service 21 DD will perform one (1) down-route trip as Service 21 from Changi Road (Bus Stop 82069 - Aft Lor 106 Changi) towards Saint Michael's Terminal before Sundays & Public Holidays AM Peak, departing at 0555 hours.
- 3 BNDEP Service 21 SDs will operate on Service 20 on Weekends & Public Holidays.
- Majority DD fleet for BNDEP on Weekends & Public Holidays.
- This service uses coloured information plates.
21 (towards Pasir Ris Interchange)
21 (towards Saint Michael's Terminal)
- Weekdays: Ang Mo Kio 12A-12P / 7S / 2T; Bedok North 7A-6P / 1S (29 buses)
- Saturdays: Ang Mo Kio 12A-14P / 1E / 1T; Bedok North 7A-7P (23 buses)
- Sundays & Public Holidays: Ang Mo Kio 8A-11P / 2S / 4T; Bedok North 6A-7P (24 buses)
- Special Weekdays: Ang Mo Kio 12A-12P / 3E / 4S; Bedok North 6A-6P / 1E / 1T (28 buses)
- Special Saturdays: Ang Mo Kio 11A-13P / 2T; Bedok North 7A-8P (24 buses)
- Special Sundays: Ang Mo Kio 9A-11P / 3S / 3T; Bedok North 6A-7P (25 buses)
Service 21 duty allocation
|
Ang Mo Kio
|
Weekdays (12A-12P / 7S / 2T)
|
A/P
|
SBS3158K, SBS3186D, SBS3847E, SBS3904Z, SBS5023C, SBS6624L, SG5115H, SG5116E, SG6222A, SG6223Y, SG6233T & SG6261L
|
S
|
SBS8245J, SBS8280G, SBS8287M, SBS8289H, SBS8816L, SG5118A & SG5536B
|
T
|
SBS8823R & SBS8830U
|
Saturdays (12A-14P / 1E / 1T)
|
A/P
|
SBS5023C, SBS8287M, SG5115H, SG5116E, SG5118A, SG5536B, SG6222A, SG6223Y, SG6233T & SG6261L
|
P
|
SBS8823R
|
E
|
TBC
|
T
|
SBS3158K
|
Sundays & Public Holidays (8A-11P / 2S / 4T)
|
A/P
|
SBS6624L, SBS8280G, SG5115H, SG5116E, SG6222A, SG6223Y & SG6233T
|
P
|
SBS3158K, SG5118A & SG6261L
|
S
|
SBS3186D & SBS3847E
|
T
|
SBS3904Z & SG5536B
|
Bedok North
|
Weekdays (7A-6P / 1S)
|
A/P
|
SBS3013U, SBS7668D, SBS8179S, SBS8342L, SBS8532E & SG5023P
|
A
|
SBS8322U
|
S
|
SBS8667A
|
Saturdays (7A-7P)
|
A/P
|
SBS3013U, SBS7668D & SG5023P
|
Sundays & Public Holidays (6A-7P)
|
A/P
|
SBS3013U, SBS7668D & SG5023P
|
P
|
TBC
|
|