Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Ang Mo Kio Int → Shenton Way Ter | 05:30 | 23:30 | 9–10 min | 10–15 min | 11–17 min | 15–17 min |
| Shenton Way Ter → Ang Mo Kio Int | 06:00 | 23:30 | 12–14 min | 11–15 min | 11–14 min | 13–15 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.