AMP: 236 Location: US-310 and US-14A, Big Horn Cty Reassurance shield after the turn. This is the final standalone shield for US-310 as we head down the desolate 24 mile stretch to the Yellowstone Highway AMP: 209 Location: US-310 and US-14, Big Horn Cty Junction US-14/US-16/US-20 coming up and the end of US-310. AMP: 209 … Continue reading U.S. Route 310, US-14 Alt to US-14/US-16/US-20/WYO 789