Major domestic carriers and some international airlines serve Denver.
Shuttles run from the airport to both downtown Denver and surrounding ski areas .
As we went to press, Amtrak served Colorado along two routes. The line that runs from Chicago to Los Angeles passes through the southeast corner of the state, stopping at Lamar, La Junta and Trinidad. The line running between Chicago and San Francisco stops in Fort Morgan, Denver, Fraser-Winter Park, Granby, Glenwood Springs and Grand Junction. Greyhound provides bus service between cities in Colorado and to points outside the state. Colorado is ribboned with interstates, U.S. routes and state highways.