ODOT Region 5

The Oregon Department of Transportation's Eastern Oregon Region is charged with the safe and effective construction, operation, and maintenance of U.S. and state highways from the Washington border to the California border and from approximately milepost 150 just west of Boardman to the Idaho border. We serve Morrow, Umatilla, Union, Wallowa, Baker, Grant, Harney and Malheur Counties.

http://www.oregon.gov/odot/regions/pages/region-5.aspx