The Seward Highway is a highway in the U.S. state of Alaska that extends 127 miles (204 km) from Seward to Anchorage. The Seward Highway is numbered Alaska Route 9 for the first 37 miles (58 km) from Seward to the Sterling Highway, and Alaska Route 1 for the remaining distance to Anchorage. At the junction with the Sterling Highway, Alaska Route 1 turns west towards Sterling.
In Anchorage, the Seward Highway terminates at the green belt, where Alaska 1 is routed southbound on Gambell Street, and northbound on Ingra Street. At 6th Avenue, Alaska 1 turns east and becomes the Glenn Highway. Alaska 1 runs westbound on 5th Avenue. Signs point towards the Seward and Glenn Highways at this location.