Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Toa Payoh Int → Toa Payoh Int | 06:00 | 00:05 | 8–9 min | 9–13 min | 8 min | 8–16 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.