AMP: 99 Location: 2nd St NW and H Ave, Harlowton Reassurance shield as 191 joins US 12 for a couple blocks AMP: 100 Location: US 12 and US 191, Wheatland Cty As we leave Harlowton, US 191 will turn north AMP: 100 Location: US 12 and US 191, Wheatland Cty Follow 191 and Montana 3 north to Lewistown … Continue reading U.S. Route 191, US-12 to US-12/MT-3