Operated by SBST
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Bishan Int → Upp East Coast Ter | 05:30 | 23:45 | 8–10 min | 9–16 min | 14–16 min | 13–17 min |
| Upp East Coast Ter → Bishan Int | 05:20 | 23:40 | 7–12 min | 8–15 min | 9–12 min | 13–18 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.