Operated by SMRT
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Choa Chu Kang Int → Opp Choa Chu Kang Mkt | 00:18 | 00:55 | — | — | — | 18–19 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.