Serangoon Int ↔ Blk 913
Bus service 109A is a Singapore public bus route operated by SBST, running between Serangoon Int and Blk 913. It operates as a loop service, returning to its starting point along the same route. The route covers approximately 5.2 km end to end.
Every stop along the route is listed below in sequence, with its road name and five-digit stop code. Select any stop to see live arrival times for all services calling there. First and last bus timings differ between weekdays, Saturdays and Sundays — check the correct row before relying on this service late in the evening.
Serangoon Int to Blk 913 · 15 stops
| Day | First bus | Last bus |
|---|---|---|
| Weekdays | 18:10 | 20:11 |
| Saturdays | — | — |
| Sundays & public holidays | — | — |
| # | Bus stop | Road | Code |
|---|---|---|---|
| 1 | Serangoon Int | S'goon Ave 2 | 66009 |
| 2 | Blk 319 | S'goon Ave 2 | 66361 |
| 3 | Blk 230 | Boundary Rd | 66041 |
| 4 | Opp Blk 257 | Boundary Rd | 66051 |
| 5 | Opp S'goon Sports Cplx | Yio Chu Kang Link | 63361 |
| 6 | Bef St. Helier's Ave | Yio Chu Kang Rd | 63181 |
| 7 | Aft S'goon Nth Ave 1 | Yio Chu Kang Rd | 63191 |
| 8 | Affinity At Serangoon | Yio Chu Kang Rd | 63201 |
| 9 | Blk 138 | Yio Chu Kang Rd | 63211 |
| 10 | Opp Gracehaven S Army | Yio Chu Kang Rd | 64101 |
| 11 | Hougang 1 | Hougang Ave 9 | 64491 |
| 12 | Bet Blks 930/931 | Hougang Ave 9 | 64481 |
| 13 | Blk 917 | Hougang Ave 9 | 64471 |
| 14 | Blk 919 | Hougang Ave 4 | 64601 |
| 15 | Blk 913 | Hougang Ave 4 | 64611 |
Bus 109A runs between Serangoon Int and Blk 913, operating as a loop service.
Service 109A serves 15 stops in total.
From Serangoon Int, the first bus departs at 18:10 and the last at 20:11 on weekdays. Saturday and Sunday timings differ and are listed above.
Bus 109A is operated by SBST.
Select any stop in the lists above to see live arrival times for that stop, sourced from LTA DataMall.
Route and arrival information contains information from LTA DataMall, used under the Singapore Open Data Licence. Arrival times are estimates. SmartCommute is not affiliated with the Land Transport Authority or any bus operator. About SmartCommute.