Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| HarbourFront Int → HarbourFront Int | 05:50 | 00:05 | 11 min | 11–15 min | 10–11 min | 13–14 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.