Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Blk 477A → Suntec Twr Two | 07:35 | 07:50 | 15 min | — | — | — |
| Suntec Twr Three → Opp Blk 477A | 18:10 | 18:25 | — | — | 15 min | — |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.