Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Hougang Ctrl Int → Shenton Way Ter | 05:30 | 19:30 | 8–10 min | 9–17 min | 11–15 min | 18 min |
| Shenton Way Ter → Hougang Ctrl Int | 05:45 | 19:30 | 13–15 min | 10–16 min | 9–13 min | 13 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.