Operated by GAS
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Tampines Int → Kent Ridge Ter | 05:00 | 23:00 | 9–10 min | 9–16 min | 11–16 min | 16–18 min |
| Kent Ridge Ter → Tampines Int | 06:00 | 24:00 | 9–11 min | 9–15 min | 9–12 min | 13–16 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.