Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Hougang Ctrl Int → Aft Duxton Plain Pk | 07:11 | 10:03 | 18–20 min | 18–52 min | — | — |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.