AMP: 144 Location: WYO 77 and WYO 487, Carbon Cty Reassurance shield at the beginning of WYO 77. The mileposts branch off of WYO 487’s because WYO 77 is the original alignment of WYO 487 AMP: 122 Location: WYO 77 and WYO 487, Carbon Cty 22 miles later, we’ll approach a junction with WYO 487 … Continue reading Wyoming Highway 77, WYO 487 to WYO 487