AMP: 57 Location: US 191 and Swan Creek Rd, Gallatin Cty No reassurance shield after the 64 junction, but we’ll get one about ten miles later. AMP: 66 Location: US 191 and Hyde Creek Rd, Gallatin Cty Another reassurance shield about ten miles after the last one AMP: 67 Location: US 191 and Hyde Creek Rd, Gallatin Cty … Continue reading U.S. Route 191, MT-64 to MT-84/MT-85