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 201
U.S. Route 201 (US 201) is part of the nationwide system of United States Numbered Highways. It runs for entirely within the state of Maine and is a spur route of U.S. Route 1. Its southern terminus is in Brunswick at US 1 and Maine State Route 24 Business. Its northern terminus is at the Canada–US border near Jackman (a terminus it shares with Maine State Route 6), where it connects to Quebec Route 173.