Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Pasir Ris Int → Toa Payoh Int | 05:30 | 23:30 | 7–9 min | 6–12 min | 8–10 min | 9–13 min |
| Toa Payoh Int → Pasir Ris Int | 06:00 | 23:40 | 7–10 min | 5–14 min | 7–10 min | 10–12 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.