Singapore bus service
109A
Serangoon Int to Blk 913.
15 stops · SBS Transit
CC13NE122 rail connections
Towards Blk 913
15 stops, Serangoon Int to Blk 913.
| # | Stop | Mon to Fri | Saturday | Sunday |
|---|---|---|---|---|
| 1 | Serangoon Int66009 · S'goon Ave 2CC13NE12 | 6:10 pm – 8:11 pm | - | - |
| 2 | Blk 31966361 · S'goon Ave 2 | 6:13 pm – 8:14 pm | - | - |
| 3 | Blk 23066041 · Boundary Rd | 6:16 pm – 8:17 pm | - | - |
| 4 | Opp Blk 25766051 · Boundary Rd | 6:18 pm – 8:18 pm | - | - |
| 5 | Opp S'goon Sports Cplx63361 · Yio Chu Kang Link | 6:20 pm – 8:20 pm | - | - |
| 6 | Bef St. Helier's Ave63181 · Yio Chu Kang Rd | 6:22 pm – 8:22 pm | - | - |
| 7 | Aft S'goon Nth Ave 163191 · Yio Chu Kang Rd | 6:24 pm – 8:24 pm | - | - |
| 8 | Affinity At Serangoon63201 · Yio Chu Kang Rd | 6:26 pm – 8:26 pm | - | - |
| 9 | Blk 13863211 · Yio Chu Kang Rd | 6:27 pm – 8:27 pm | - | - |
| 10 | Opp Gracehaven S Army64101 · Yio Chu Kang Rd | 6:30 pm – 8:30 pm | - | - |
| 11 | Hougang 164491 · Hougang Ave 9 | 6:33 pm – 8:33 pm | - | - |
| 12 | Bet Blks 930/93164481 · Hougang Ave 9 | 6:34 pm – 8:34 pm | - | - |
| 13 | Blk 91764471 · Hougang Ave 9 | 6:36 pm – 8:35 pm | - | - |
| 14 | Blk 91964601 · Hougang Ave 4 | 6:37 pm – 8:36 pm | - | - |
| 15 | Blk 91364611 · Hougang Ave 4 | 6:39 pm – 8:37 pm | - | - |
First and last bus are LTA's scheduled times for each stop, so they get later as the bus works along the route. Live arrival times are on each stop's own page. Data updated 2026-08-22.