If you are traveling to Grand Junction, in western Colorado, and you have your road bike with you there is some great road cycling there.
You can check out this web page full of helpful maps of all the great road rides in the Grand Valley.
Ride the Colorado National Monument's Rim Rock Drive, The Grand Mesa, the Fruita farms routes, and Palisade's Wine and Fruit loop.
Grand Junction Road Cycling Maps
(I'm posting this because these maps used to hosted at a previous website and they have recently been moved to this new website.)
Also check out the Facebook page for Grand Junction road cycling updates and information.