AMP: Oregon-Washington Hwy #8/4 Location: OR 11 and Umatilla Mission Hwy, Umatilla Cty Reassurance shield after the OR 331 junction. AMP: 0 Location: OR 11 and Riverside Pl, Pendleton A couple miles later, as we enter Pendleton, we’ll approach US-30. AMP: 0 Location: OR 11 and Riverside Pl, Pendleton Reassurance shield as we cross the Umatilla River and … Continue reading Oregon Route 11, OR 331 to US-30