New AI tool to smooth SBS Transit bus arrivals aimed for early 2027
An artificial intelligence co-pilot called FlowOS is being trialed by SBS Transit to reduce uneven bus arrival times, known as bus bunching. The system analyzes historical patterns and real-time bus locations to suggest actions for the human controller to take. Trials run on routes 70 and 145, with expansion planned through 2027 before a full fleet rollout.
What is changing
SBS Transit will test an AI tool named FlowOS to help plan bus arrivals more evenly. The system uses past data (patterns across days and times) and current bus locations to identify when two buses on the same route are too close to each other. It then suggests steps the service controller could take to prevent buses from arriving together.
Key facts
FlowOS acts as a co-pilot, not a replacement for human decisions. A controller reviews AI suggestions and can accept, modify, or reject them. The trials started on routes 70 and 145 and will expand to seven more routes before the official end of the trial in March 2027. If successful, SBS Transit plans a full fleet rollout in the second quarter of 2027.
Who is affected
The change affects SBS Transit passengers on affected routes, and bus service controllers who manage on-the-ground responses to AI recommendations. It also touches riders who experience bus bunching less frequently if the system works as intended.
Practical next steps for riders
Riders should stay informed about service notices from SBS Transit during the trial period. If you notice unusually uneven bus arrivals, you can check app updates or website advisories for any schedule changes tied to the FlowOS test. After rollout, timetable reliability could improve, but during the trial some variability may continue as adjustments are tested.
Limits and questions
FlowOS relies on both historical and live data. It does not replace human oversight; a controller makes the final call. The exact impact on travel times and reliability will be assessed during the trial period and may vary by route. No details were provided on privacy or data handling in the available material.
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