AMP: Pacific Hwy #1/306 Location: I-5 and Lombard St, Portland After US-30, we’re 3/4 of a mile from Marine Dr, which is here-unsigned OR 99E and OR 120. AMP: 307 Location: I-5 and Marine Dr, Portland Exit for OR 99E south and unsigned Oregon 120 west.  N to WA State Line, S to I-405/US-30  S to … Continue reading Interstate 5, US-30 Byp to OR 99E/OR 120