Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Lor 1 Geylang Ter → Toa Payoh Int | 06:00 | 23:30 | 12–14 min | 14–16 min | 15 min | 13–23 min |
| Toa Payoh Int → Lor 1 Geylang Ter | 06:00 | 23:45 | 12 min | 11–16 min | 11–16 min | 15–25 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.