Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Boon Lay Int → Kampong Bahru Ter | 05:30 | 23:30 | 8–11 min | 8–15 min | 13–15 min | 11–16 min |
| Kampong Bahru Ter → Boon Lay Int | 05:40 | 23:45 | 10–11 min | 8–13 min | 8–17 min | 11–17 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.