How practical it is will depend on the place. Yes lots of America has been built as suburban sprawl but there are lots of slightly more urban places too where modern regional rail would be a huge improvement over sitting in traffic.
The frustrating thing about living in the bay area is that they ripped up a lot of rail in the 60s and replaced them with roads. Now those roads are clogged and journeys by car take longer than journeys by rail did back then.
How practical it is will depend on the place. Yes lots of America has been built as suburban sprawl but there are lots of slightly more urban places too where modern regional rail would be a huge improvement over sitting in traffic.
The frustrating thing about living in the bay area is that they ripped up a lot of rail in the 60s and replaced them with roads. Now those roads are clogged and journeys by car take longer than journeys by rail did back then.