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SR 4 - SR 401 Roadside Safety Improvements - Map

Project Area Map

The SR 401 improvements will begin where US Highway 101 meets SR 401 near Knappton, and end at the northern point of SR 401, where the state route meets SR 4.

The SR 4 improvements will begin where the roadway meets US Highway 101, near Johnsons Landing in Pacific County. The improvements will go west, through Wahkiakum and Cowlitz counties, ending where the roadway meets State Route 432.