Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Sengkang Int → HarbourFront Int | 05:15 | 23:30 | 11–14 min | 10–19 min | 14–15 min | 17–20 min |
| HarbourFront Int → Sengkang Int | 05:40 | 00:25 | 13–15 min | 14–18 min | 15–18 min | 16–17 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.