US East Cost. The area is about the size of Japan with similar popilation. And there are only a few disjointed efforts.

On the East Coast they have trains that go to the front door of your house?

Didn't know that Japanese trains (or European trains) go to the door of your house

Exactly, why would the US want to copy that?

Northeast Corridor 2200 trains a day, 15 million passengers a year, 14% of intercity traffic, replacing most air travel between some of the cities.