AMP: Jefferson Hwy #164/0 Location: Jefferson Hwy and I-5, Marion Cty Not normally something I’d take a picture of, but the north end of this highway all signs the 99E shields with ovals. AMP: 0 Location: Jefferson Hwy and I-5, Marion Cty No reassurance shield as 164 begins. AMP: 1 Location: Jefferson Hwy and Steiwer Rd, Marion Cty … Continue reading Oregon Route 164, I-5/OR 99E to I-5/OR 99E