AMP: Corvallis-Newport Hwy #33/7 Location: US-20 and US-20 Business, Lincoln Cty No reassurance shield after 20 Business rejoins. AMP: 16 Location: US-20 and Crystal Creek Loop, Lincoln Cty Reassurance shield as a new alignment of US-20 begins – the old alignment followed Crystal Creek Loop and connected to OR 180. OR 180 now only connects to US-20 … Continue reading U.S. Route 20, US-20 Bus to OR 180