Operated by TTS
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Yishun Int → Upp East Coast Ter | — | — | 12–14 min | 12–15 min | 15 min | 14–15 min |
| Upp East Coast Ter → Yishun Int | — | — | 14–15 min | 11–16 min | 13–15 min | 12–15 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.