Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Yishun Int → Aft Duxton Plain Pk | 06:30 | 12:00 | 30 min | 30 min | — | — |
| Bef Pearl's Hill Terr → Yishun Int | 15:30 | 22:00 | — | 30 min | 30 min | 30 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.