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.
Arkansas Highway 101
Highway 101 (AR 101, Ark. 101, and Hwy. 101) is a designation for two north–south state highways in north central Arkansas. A western route of runs north from US Route 62/US Route 412 (US 62/US 412) to Missouri Route 101 at the Missouri state line. A second route of begins at Hand Valley and runs north to US 62/US 412.