Trains are great. They’re safer, more efficient, and often more convenient than cars. But it’s not either-or. My comment was emphasizing that smart road techno

Trains are great. They’re safer, more efficient, and often more convenient than cars. But it’s not either-or. My comment was emphasizing that smart road technologies would be useful to many people also. There are many places where it’s not possible or desirable to build train infrastructure—these are areas that can be served by autonomous vehicles.