Operated by TTS
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Yishun Int → Bedok Int | 05:35 | 23:40 | 5–7 min | 7–11 min | 8 min | 11–13 min |
| Bedok Int → Yishun Int | 05:35 | 23:40 | 7–8 min | 5–11 min | 6–12 min | 10–14 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.