AMP: 82 Location: Main St and 1st Ave, Lewistown Reassurance shield as we ditch all those business loops. AMP: 83 Location: US-87 and Marcella Ave, Fergus Cty A mile or so later, we’ll get a reassurance shield as we head out of Lewistown AMP: 112 Location: US-87 and Old US 87, Fergus Cty Just before … Continue reading U.S. Route 87, US-87 Bus/US-191 Bus/MT-200 Bus/S-238 to MT-19/MT-200