Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Punggol Coast Int → Sembawang Int | 08:15 | 23:30 | 13 min | 11–15 min | — | 13–15 min |
| Sembawang Int → Punggol Coast Int | 08:15 | 23:30 | 11 min | 9–15 min | — | 12–14 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.