AMP: North Umpqua Hwy E #138/82 Location: OR 138 and OR 230, Douglas Cty Reassurance shield after the 230 junction. AMP: 78 Location: OR 138 and Diamond Lake Lp, Douglas Cty Reassurance shield after the turnoff to Diamond Lake. AMP: 61 Location: OR 138 and Fish Creek Rd, Douglas Cty Erroneous US 138 shield several miles later. After … Continue reading Oregon Route 138, OR 230 to OR 99