I don't think you need smart buses to be able to add/remove capacity to a route as it fills. the data collection/aggregation/analysis sound like the fast part

I don't think you need smart buses to be able to add/remove capacity to a route as it fills. the data collection/aggregation/analysis sound like the fast part of getting a bus to a route, even if it's bus drivers calling in to report a busy route. the slow part would be getting the bus to the route