Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Sengkang Int → Bedok Int | 05:30 | 23:30 | 6–8 min | 7–15 min | 8–10 min | 7–17 min |
| Bedok Int → Sengkang Int | 05:30 | 23:30 | 6–8 min | 5–14 min | 5–18 min | 13–18 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.