AMP: 0 Location: US 191 and US 12, Wheatland Cty Reassurance shield as 3 joins 191. The two routes will concur up to the US 87 junction AMP: 17 Location: High St and Montana Ave, Judith Gap 17 miles later, we’ll enter Judith Gap, which was pretty much a whiteout when I got there AMP: 17 Location: High … Continue reading Montana Highway 3, US-12/US-191 to S-297