Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Hougang Ctrl Int → Hougang Ctrl Int | 05:15 | 00:30 | 11–15 min | 11–16 min | 12–15 min | 14–18 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.