. "AUTHOR: Federal Railroad AdministrationSUBJECT: Passenger RailKEYWORDS: PRIIA, HSIPR, High-speed intercity passenger rail, AMTRAKABSTRACT: National Railroad Passenger Corporation, better known as Amtrak, and strengthens the US passenger rail network by tasking Amtrak, the U.S. Department of Transportation (US DOT), Federal Railroad Administration (FRA), States, and other stakeholders in improving" . . .