Yeah and if those cars are self-driving, it's fairly easy to have an Uber type service that puts together shared rides on the fly. Such a service would: 1. Co

Yeah and if those cars are self-driving, it's fairly easy to have an Uber type service that puts together shared rides on the fly. Such a service would: 1. Cost less 2. Be faster 3. More convenient 4. Door to door I think trains are finished except maybe some very high speed routes.