Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Blk 307A → Bishan Stn | 06:20 | 09:35 | 7–21 min | 12–17 min | — | — |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.