That might work in theory but I doubt it'd work in practice. You already now get Google Maps congestion of small roads that happen to be the fastest according t

That might work in theory but I doubt it'd work in practice. You already now get Google Maps congestion of small roads that happen to be the fastest according to Google maps. I don't think vendors will be able to develop a fleet that intelligently coordinates routes. Especially because that'd make routes of some cars slower, not something people would accept.