"East" . "OR" . . . . "Oregon Route 18 is a state highway that runs between the Oregon Coast, near Lincoln City and the Willamette Valley, near Dayton. OR 18 traverses the Salmon River Highway No. 39 of the Oregon state highway system, named after the river alongside its westernmost segments."@en . "West" . . . . "84941.2"^^ . . . . . "18" . .