U.S. Route 101
The nearly highway's northern terminus is in Tumwater, Washington: the route remains along the Olympic Peninsula's coastal perimeter west, north, and east; the northernmost point on the highway is in Port Angeles. The southern terminus of US 101 is in Los Angeles at the East Los Angeles Interchange, the world's busiest freeway interchange.
Wyoming Highway 91
Wyoming Highway 91 begins its western end at Converse County Route 11 southwest of La Prele and near the Medicine Bow National Forest boundary. Highway 91 changes to Converse County Route 24 south of there. Highway 91 proceeds northeast as Cold Springs Road and through the community of La Prele. As Highway 91 nears Douglas, the road turns north and meets the eastern terminus of Highway 96 at . Highway 96 heads west as Highway 91 turns east toward Douglas. Almost at the Douglas city limits, Interstate 25 comes into view to the north and is paralleled by Highway 91 to its end. Highway 91 reaches its eastern end at Highway 94 in Douglas, south of Interstate 25 exit 140.