AMP: 144 Location: US-20 and WYO 175, Hot Springs Cty Reassurance shield after the WYO 175 junction AMP: 139 Location: US-20 and Black Mountain Rd, Hot Springs Cty Junction Wyoming 172 coming up, a state highway with no clear purpose AMP: 139 Location: US-20 and Black Mountain Rd, Hot Springs Cty Turn left for WYO … Continue reading U.S. Route 20, WYO 175 to WYO 172