AMP: 38 Location: US-87 and S-386, Chouteau Cty Reassurance shield after S-386 as we fully head out of Fort Benton AMP: 26 Location: US-87 and Ferry Rd, Carter, Chouteau Cty In the little community of Carter, turn left for the Carter Ferry. At this point, we also junction S-564, but you’ll want to turn right … Continue reading U.S. Route 87, S-386 to S-564