Agree on the buses vs trains. Infrastructure is already there for modern train systems to be automated. >Buses are more complicated than cars (city driving, pe

Agree on the buses vs trains. Infrastructure is already there for modern train systems to be automated. >Buses are more complicated than cars (city driving, people at stops etc), so doing cars first makes sense. I don't think this is a valid argument. I see self driving cars operating in Mountain View (a city, albeit not a crazy driving city like SF or Boston), these cars are aware of people as stated in the article, the condition of people at stops can start with stopping at... well stops ->recognizing people that are waiting there. Maybe prepayment to figure out how many people should have boarded.