Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Punggol Coast Int → Sembawang Int | 05:20 | 19:00 | 8–15 min | — | 10–12 min | — |
| Sembawang Int → Punggol Coast Int | 05:30 | 19:00 | 10–13 min | — | 8–10 min | — |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.