Operated by SMRT
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Opp Tuas Lk Stn → Bef Tuas Sth Ave 4 | — | — | — | — | — | 23–27 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.