“The only possible way to make them viable(?) is to use auto rail for longer trips.”
Most use is not for long distance trips. They are perfectly viable now.
It costs $2500 plus motels to drive your car cross-country. Take a plane.
Will the vax/mask nazis let me on board?
I know..just an exercise.
The left isn’t interested in any plan that doesn’t turn us into a controllable subservient people who worship almighty government.
...then rent a car when you get there.