AMP: 37 Location: OR 18 and Bellevue-Hopewell Hwy, Yamhill Cty Reassurance shield after OR 153 as we head out of Bellevue. AMP: 42 Location: OR 18 and Old Sheridan Rd, Yamhill Cty Shortly after that, we’ll approach Oregon 99W. AMP: 43 Location: OR 18 and OR 99W, Yamhill Cty OR 18 is the fastest route to Dayton and … Continue reading Oregon Route 18, OR 153 to OR 99W