The route starts in Los Angeles at the junction of the Interstate 5, Interstate 10, and California State Route 60. It goes west past the north side of Downtown Los Angeles towards the coast. It meets the coast near Oxnard and goes north along the coast from here. The main cities it passes through in California is Santa Maria, San Jose, San Francisco, Santa Rosa, and Eureka, California. In San Francisco, the route goes over the Golden Gate Bridge. The main cities the route passes in Oregon is North Bend, Florence, Newport, and Astoria. These cities are small, as no large cities are on Oregon's coast. It runs near to the Interstate 5, which goes through larger cities like Salem and Portland. In Washington, the main cities it passes through is Aberdeen, Forks and Port Angeles. It ends at the Interstate 5 in Olympia. The route is about in total.