Serangoon Int ↔ Aljunied Stn
Bus service 100A is a Singapore public bus route operated by SBST, running between Serangoon Int and Aljunied Stn. It operates as a loop service, returning to its starting point along the same route. The route covers approximately 4.8 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 Aljunied Stn · 13 stops
| Day | First bus | Last bus |
|---|---|---|
| Weekdays | 06:30 | 19:42 |
| Saturdays | — | — |
| Sundays & public holidays | — | — |
| # | Bus stop | Road | Code |
|---|---|---|---|
| 1 | Serangoon Int | S'goon Ave 2 | 66009 |
| 2 | Blk 403 | Upp S'goon Rd | 62129 |
| 3 | Aft Sunshine Lodge | Upp S'goon Rd | 62119 |
| 4 | Aft Bartley Rd | Upp S'goon Rd | 61049 |
| 5 | Woodleigh Stn Exit A | Upp S'goon Rd | 61039 |
| 6 | Aft Bidadari Pk Dr | Upp Aljunied Rd | 70069 |
| 7 | Blk 7 | Upp Aljunied Rd | 70059 |
| 8 | Aft Blk 4 | Upp Aljunied Rd | 70049 |
| 9 | Aljunied Pk | Aljunied Rd | 70039 |
| 10 | Canossa Catholic Pr | Aljunied Rd | 70029 |
| 11 | Blk 125 | Aljunied Rd | 70019 |
| 12 | Blk 102 | Aljunied Rd | 81099 |
| 13 | Aljunied Stn | Aljunied Rd | 81089 |
Bus 100A runs between Serangoon Int and Aljunied Stn, operating as a loop service.
Service 100A serves 13 stops in total.
From Serangoon Int, the first bus departs at 06:30 and the last at 19:42 on weekdays. Saturday and Sunday timings differ and are listed above.
Bus 100A 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.