Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Bishan Int → Pasir Ris Int | 05:30 | 24:00 | 8–10 min | 9–17 min | 11–13 min | 18 min |
| Pasir Ris Int → Bishan Int | 05:30 | 24:00 | 7–10 min | 7–18 min | 8–11 min | 13–17 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.