Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Tampines Int → Toa Payoh Int | 05:30 | 23:00 | 5–9 min | 6–15 min | 6–9 min | 9–17 min |
| Toa Payoh Int → Tampines Int | 06:00 | 23:30 | 5–7 min | 6–15 min | 7–9 min | 10–17 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.