AMP: 26 Location: US 87 and Ferry Rd, Chouteau Cty Reassurance shield after the Carter Ferry/S-564 junction. AMP: 10 Location: US-87 and Powerline Rd, Cascade Cty Reassurance shield about 15 miles later. AMP: 2 Location: US 87 and Bootlegger Trl, Great Falls As we enter Great Falls, stay straight on US 87 for I-15, US … Continue reading U.S. Route 87, S-564 to S-225