Defunct Feeder Services
SBS Transit Feeder Bus Service 231G (26 Dec 1983 – 10 Mar 2012)
| Route | Chronology of Operating Hours |
| Toa Payoh Int ↺ Lor 1 Toa Payoh |
|
SBS Transit Feeder Bus Service 231W (26 Dec 1983 – 10 Mar 2012)
| Route | Chronology of Operating Hours |
| Toa Payoh Int ↺ Lor 1 Toa Payoh |
|
SBS Transit Feeder Bus Service 275 (19 Aug 1984 – 24 Aug 2014)
| Route | Chronology of Operating Hours |
| Bt Merah Int ↺ Bt Purmei Ave | 05:45 – 24:00 (Daily) |
SMRT Feeder Bus Service 308 (15 May 2016 – 29 Sep 2018)
| Route | Chronology of Operating Hours |
| Choa Chu Kang Int ↺ Keat Hong Lk | 05:30 – 00:55 (Mon-Fri); 05:45 – 00:55 (Sat/Sun/PH) |
Tower Transit Feeder Bus Service 944 (27 Aug 2017 – 23 Sep 2023)
| Route | Chronology of Operating Hours |
| Bt Batok Int ↺ Bt Batok Rd | 05:30 – 01:00 (Daily) |