Last Driven May 2018 (Historic Photo: July 2008) MP: Umatilla-Stanfield Hwy #54/.83 Location: Umatilla-Stanfield Hwy and Power City Rd, Power City, Umatilla Cty Junction US-730 coming up in 3/4 of a mile. (Historic Photo: July 2008) MP: Umatilla-Stanfield Hwy #54/.35 Location: Umatilla-Stanfield Hwy and Columbia River Hwy, Umatilla US-730 East will head into Washington State, … Continue reading U.S. Route 395, OR 207 to US-730