Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Hougang Ctrl Int → Opp Suntec Convention Ctr | 19:50 | 23:15 | 13–14 min | 13–16 min | 15 min | 14–16 min |
| Promenade Stn/Pan Pacific → Hougang Ctrl Int | 20:10 | 00:05 | 14–16 min | 13–17 min | 14–15 min | 15–16 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.