Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Bishan Int → Jurong East Int | 05:45 | 23:45 | 11–13 min | 12–15 min | 11–15 min | 13–16 min |
| Jurong East Int → Bishan Int | 05:45 | 23:45 | 11–17 min | 9–17 min | 11–20 min | 14–20 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.