Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Boon Lay Int → Eunos Int | 05:30 | 00:20 | 5–10 min | 6–11 min | 7–10 min | 11–17 min |
| Eunos Int → Boon Lay Int | 05:00 | 23:30 | 11–13 min | 6–13 min | 8–11 min | 11–15 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.