Operated by TTS
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Yishun Int → Woodlands Int | 05:30 | 23:45 | 5–6 min | 5–11 min | 5–7 min | 5–12 min |
| Woodlands Int → Yishun Int | 05:30 | 23:50 | 3–8 min | 6–10 min | 5–8 min | 5–12 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.