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 89, and Montana 200. At this intersection, turn right for unsigned S-225, which heads north a solid 56 miles without actually intersecting anything important.
S to US-89/MT-3/MT-200, N to S-386