109ABus 109ASerangoon Int ↔ Blk 913
Serangoon Int to Blk 913. 15 stops, run by SBS Transit. On weekdays the first bus leaves Serangoon Int at 6:10 pm and the last at 8:11 pm.
CC13NE122 MRT/LRT connections
Bus 109A towards Blk 91315 stops
| # | Stop | Weekdays | Saturday | Sunday |
|---|---|---|---|---|
| 1 | Serangoon Int | 6:10 pm – 8:11 pm | – | – |
| 2 | Blk 319 | 6:13 pm – 8:14 pm | – | – |
| 3 | Blk 230 | 6:16 pm – 8:17 pm | – | – |
| 4 | Opp Blk 257 | 6:18 pm – 8:18 pm | – | – |
| 5 | Opp S'goon Sports Cplx | 6:20 pm – 8:20 pm | – | – |
| 6 | Bef St. Helier's Ave | 6:22 pm – 8:22 pm | – | – |
| 7 | Aft S'goon Nth Ave 1 | 6:24 pm – 8:24 pm | – | – |
| 8 | Affinity At Serangoon | 6:26 pm – 8:26 pm | – | – |
| 9 | Blk 138 | 6:27 pm – 8:27 pm | – | – |
| 10 | Opp Gracehaven S Army | 6:30 pm – 8:30 pm | – | – |
| 11 | Hougang 1 | 6:33 pm – 8:33 pm | – | – |
| 12 | Bet Blks 930/931 | 6:34 pm – 8:34 pm | – | – |
| 13 | Blk 917 | 6:36 pm – 8:35 pm | – | – |
| 14 | Blk 919 | 6:37 pm – 8:36 pm | – | – |
| 15 | Blk 913 | 6:39 pm – 8:37 pm | – | – |
First and last bus are LTA's scheduled times at each stop, so they get later along the route. Sunday times also apply on public holidays. Live arrival times are on each stop's page. Data updated 2026-09-13.