Found a map of the system on Amtraks' site: http://blog.amtrak.com/wp-content/uploads/2013/09/RTTL-Map-Initial-View-NEW.jpg http://blog.amtrak.com/wp-content/up

Found a map of the system on Amtraks' site: http://blog.amtrak.com/wp-content/uploads/2013/09/RTTL-Map-Initial-View-NEW.jpg http://blog.amtrak.com/wp-content/uploads/2013/09/RTTL-Map-I... There are a couple of routes across the country, stopping roughly once per state if that. As you mentioned, it's freight with a few passenger trains sharing the tracks. In addition to the northeast region (DC, Philly, NYC, Boston) you can do pretty well in Chicago. It's the hub of all of those routes except for the one on the US/Mexico border.