(This article is about the section of U.S. Route 26 in Oregon. For the entire route, see U.S. Route 26.) U.S. Route 26 (US-26) is a major cross-state state highway in the U.S. state of Oregon, connecting U.S. Route 101 on the Oregon Coast near Seaside with the Idaho state line east of Nyssa. Local highway names (see Oregon highways and routes) include the Sunset Highway No. 47, Mount Hood Highway No. 26, and John Day Highway No. 5.