WorldUS Amtrak to spend $7 billion on Washington, DC, stationKatrina JonesJuly 25, 2012July 26, 2012 by Katrina JonesJuly 25, 2012July 26, 2012 Washington: The passenger rail service of the United States, Amtrak, has decided to make the Washington, DC’s Union Station a high-speed rail and commercial hub,...