AMP: 42 Location: US 310 and US 212, Carbon Cty Reassurance shield as 310 splits from 212. The stretch from here to the Wyoming line is the only significant chunk of 310 that isn’t concurrent with another route. AMP: 33 Location: Billings Ave and North St, Fromberg A few miles later, we’ll enter the town of Fromberg. … Continue reading U.S. Route 310, US-212 to MT-72