Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Jurong East Int → Serangoon Int | 06:00 | 22:00 | 14–15 min | 16–21 min | 16–24 min | 21–24 min |
| Serangoon Int → Jurong East Int | 06:20 | 23:45 | 16–23 min | 15–21 min | 18 min | 16–20 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.