AMP: 31 Location: US-18 and WYO 270, Niobrara Cty Reassurance shield after the WYO 270 junction AMP: 39 Location: US-20 and CR 54, Niobrara Cty As we begin to approach the Lusk metro area and some semblance of civilization, we’ll come to a junction with CR 54 AMP: 39 Location: US-18 and WYO 273, Niobrara … Continue reading U.S. Route 20, WYO 270 to WYO 273