The US is behind in the public transportation system, trains are too expensive to travel across country and we have always been an automobile country.
To rejuvenate the system, we would need to:
-Invest in quiet and efficient trains for cities and towns (no one will vote in loud trains by residents)
-High speed trains across country.
-Buses to deliver patrons out of circuit.
-One system plan for all.
The costs could be huge, but linking cities and people across the country, could be a way of reducing traffic, gasoline costs, increase tourism to major sites.
This could also create permanent jobs as business developing around train stops and bus patron needs.