Last Driven August 2020 AMP: 245 Location: US 93 and Main St, Challis No reassurance shield after unsigned US 93 Spur. (Historic Photo: April 2013) AMP: 246 Location: US 93 and Wilson Rd, Custer Cty Reassurance shield as we head out of Challis. Time hasn’t been good to that scenic byway shield. AMP: 248 Location: … Continue reading U.S. Route 93, US-93 Spur to SH-28