Complex sentence: At this point the highway proceeds across flat desert towards the Book Cliffs to terminate at Interstate 70 near Cisco, a ghost town along the main line of the Denver and Rio Grande Western Railroad, founded as a water re-filling station for steam locomotives.
Split into simpler sentences: At this point the highway proceeds across flat desert towards the Book Cliffs to terminate at Interstate 70 near Cisco. Cisco is a ghost town along the main line of the Denver and Rio Grande Western Railroad, founded as a water re-filling station for steam locomotives.