Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Opp Kranji Stn → JB Sentral Bus Ter | 05:37 | 23:37 | 2–8 min | 6–9 min | 5–8 min | 4–10 min |
| JB Sentral Bus Ter → Kranji Stn | 08:28 | 24:00 | — | 5–9 min | — | 9–10 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.