Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Yio Chu Kang Int → Shenton Way Ter | 05:45 | 18:00 | 5–6 min | 7–15 min | 6–7 min | — |
| Shenton Way Ter → Yio Chu Kang Int | 06:00 | 19:30 | 8–11 min | 8–14 min | 8–9 min | 9 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.