Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Ang Mo Kio Int → Clementi Int | 05:30 | 23:15 | 9–10 min | 9–18 min | 10–14 min | 14–18 min |
| Clementi Int → Ang Mo Kio Int | 05:30 | 23:45 | 10–12 min | 8–16 min | 11–18 min | 15–19 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.