Kings Toll Road Historical inscription on a detached boulder right next to the highway. The old toll road between the settlements in Richardson Amphitheater, Utah and Dewey Ferry, Utah was built in the late 1800s by Samuel King. Upper Colorado River Scenic Byway Follow the mighty Colorado River through its beautifully carved redrock gorge and travel back 250 million years in time. If it all looks familiar, it may be that you recognize the scenery from several western movies and commercials.