California has self-driving vehicle fleets which, once municipally-owned like the older transport infrastructure eventually became, work way better than trains

California has self-driving vehicle fleets which, once municipally-owned like the older transport infrastructure eventually became, work way better than trains for almost all trip ranges up to planes. The sweet spot is when the fleet gets large enough to ban non-SDVs from urban cores, removing the need for all parking and quadrupling system throughput.