U.S. Route 830, (US 830), was a U.S. Highway which ran between a junction with US 97 near the city of Maryhill, Washington and a junction with US 101 near Ilwaco, Washington. The route still (mostly) exists; however it is currently signed as State Route 14 between Maryhill and Vancouver, Washington, Interstate 5 (I-5) between Vancouver and Longview, State Route 432 for a short stretch through Longview; and State Route 4 from Longview to the western terminus near Ilwaco.
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