Operated by TTS
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Tengah Int → Bt Batok Int | 06:00 | 09:30 | 6–10 min | 10–12 min | — | — |
| Bt Batok Int → Tengah Int | 17:30 | 21:00 | — | — | 5–6 min | 5–8 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.