I know you probably realize this but I think it's worth pointing out that even though it's cheap for the government to maintain roads, the total cost of transpo

I know you probably realize this but I think it's worth pointing out that even though it's cheap for the government to maintain roads, the total cost of transporting people by car on those roads includes much more than just the roads. Of course, it's politically difficult for the government to ask people to spend less on their cars and give the money to it instead so it can more efficiently and cleanly transport them by rail.