U.S. Route 197 (US 197) is a north–south United States Highway, of which all but 2.76 miles of its 69.93 miles (4.44 of 112.54 km) are within the state of Oregon. The highway starts in rural Wasco County in Central Oregon at an intersection with US 97. US 197 travels north as a continuation of The Dalles-California Highway No. 4 through the cities of Maupin, Tygh Valley, and Dufur to The Dalles. Within The Dalles, the highway becomes concurrent with US 30 and intersects Interstate 84 (I-84) before it crosses over the Columbia River on The Dalles Bridge into Washington. The highway continues through the neighboring city of Dallesport in Klickitat County and terminates at a junction with State Route 14 (SR 14). US 197 was established in 1952 using the existing The Dalles-California Highway, itself created as a part of the initial named Oregon highways in 1917. US 197 traveled from its current northern terminus at Dallesport to US 97 in Maryhill along Primary State Highway 8 (PSH 8) and US 830, successors to the original State Road 8 designated along the corridor in 1907. The Dallesport–Maryhill section was transferred to SR 14 in 1979, but was not recognized by the American Association of State Highway and Transportation Officials (AASHTO) until 2006. Route description US 197 runs in Oregon and Washington and is maintained by the Oregon Department of Transportation (ODOT) and Washington State Department of Transportation (WSDOT). Oregon US 197 begins at an intersection with US 97 at Shaniko Junction in Wasco County, located between the cities of Madras and Shaniko in Central Oregon. The highway, a continuation of The Dalles-California Highway No. 4, travels northwest over the Criterion Summit and down along Stag Canyon through the community of Criterion towards Maupin. US 197 crosses the Deschutes River and a BNSF rail line on a warren truss bridge, becoming Deschutes Avenue as it passes South Wasco County High School and through the city of Maupin. The highway continues west into the Juniper Flat and intersects Oregon Route 216 (OR 216), designated as Wapinitia Highway No. 44, and forms a concurrency. US 197 and OR 216 travel north and northwest to Tygh Valley, where OR 216 leaves the concurrency and heads east on Sherars Bridge Highway No. 290 towards Grass Valley. The lone highway continues north up Butler Canyon onto Tygh Ridge, passing through the Tygh Grade Summit. US