Operated by SMRT
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Bt Batok Int → Choa Chu Kang Int | 05:30 | 01:00 | 8–9 min | 7–12 min | 7–9 min | 9–15 min |
| Choa Chu Kang Int → Bt Batok Int | 05:30 | 00:55 | 7–9 min | 7–12 min | 9–10 min | 12–17 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.