Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| HarbourFront Int → Eunos Int | 05:15 | 24:00 | 11–13 min | 12–17 min | 14–15 min | 15–19 min |
| Eunos Int → HarbourFront Int | 05:50 | 23:45 | 11–13 min | 13–16 min | 13–17 min | 17–20 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.