We already have fully automated trains. The DLR in London. I am optimistic about solving those problems. Regulation always comes after the tech is invented. Ca

We already have fully automated trains. The DLR in London. I am optimistic about solving those problems. Regulation always comes after the tech is invented. Cars have more opportunity to fail gracefully in an emergency; pull off onto the shoulder and coast to a stop or bump into an inaminate object.