I've never got the importance of HSR for the US. It's to sparsely populated. While europe can have trains going from big cities like Berlin to France you'd have

I've never got the importance of HSR for the US. It's to sparsely populated. While europe can have trains going from big cities like Berlin to France you'd have to go from NYC to Chicago, NYC to LA, LA to SF, Chicago to Houston. The routes would be huge. It makes no sense.