WASHINGTON, Oct. 17 -- Amtrak (National Railroad Passenger Corp.) issued the following news: * * * Amtrak Celebrates Upgrades at North Dakota Stations * Customers benefit from $30 million federal investment statewide DEVILS LAKE and FARGO, N.D. - Amtrak passengers have a more accessible experience at five North Dakota stations following about $30 million in upgrades. The Amtrak Empire Builder stops twice daily at stations on this route between Seattle or Portland and Chicago. "Making sta  more