Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Buangkok Int → Yio Chu Kang Int | 05:30 | 23:30 | 13–15 min | 12–16 min | 14–15 min | 13–15 min |
| Yio Chu Kang Int → Buangkok Int | 05:30 | 23:30 | 14–15 min | 12–15 min | 13–15 min | 14–16 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.