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.
U.S. Route 101 in Oregon
North of Coos Bay, the highway runs along the eastern flank of the Oregon Dunes National Recreation Area, through the communities of Hauser, Lakeside, and Winchester Bay before coming into the city of Reedsport on the mouth of the Umpqua River. The highway continues north from there, passing through the dunes and through the towns of Gardiner, Westlake, Dunes City, and Glenada. The next major town is Florence on the Siuslaw River.