AMP: 0 Location: I-80 and WYO 371, Sweetwater Cty Reassurance shield at the beginning of WYO 371, a short spur up to the ghost town of Superior AMP: 6 Location: Main St and D St, Superior Welcome to Superior! Superior looks like it used to be a fairly significant mining town, but is now a … Continue reading Wyoming Highway 371, I-80/US-30 to Superior