Operated by GAS
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Tampines Int → Toa Payoh Int | 05:30 | 23:30 | 7–11 min | 8–16 min | 9–11 min | 14–15 min |
| Toa Payoh Int → Tampines Int | 05:30 | 23:35 | 7–10 min | 8–15 min | 9–10 min | 14–16 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.