AMP: Salmon River Hwy #39/0 Location: OR 18 and US-101, Lincoln Cty Reassurance shield as Oregon 18 begins. AMP: 10 Location: OR 18 and HB Van Duzer State Park Rd, Tillamook Cty Reassurance shield ten miles later as we enter Tillamook County. AMP: 22 Location: OR 18 and OR 22, Polk Cty Twelve miles later, we’ll enter Polk … Continue reading Oregon Route 18, US-101 to OR 22