AMP: 74
Location: US-87 and S-331, Cascade Cty
Reassurance shield after the 331 junction.
AMP: 71
Location: US-87 and US-89, Cascade Cty
A couple miles later, US-89 will split by itself to head south.
AMP: 71
Location: US-87 and US-89, Cascade Cty
Follow 89 south to Monarch and White Sulphur Springs.
AMP: 71
Location: US-87 and US-89, Cascade Cty
Follow 89 south to Monarch and WSS. Stay on 87/3/200 for Lewistown.