AMP: 0
Location: S-431 and US-89, Teton Cty
Reassurance shield as S-431 begins.
AMP: 7
Location: S-431 and 2nd Rd NE, Teton Cty
Reassurance shield about halfway through the route.
AMP: 17
Location: S-431 and 13th Ln NE, Power, Teton Cty
A few miles later, we’ll enter unincorporated Power.
AMP: 19
Location: S-431 and I-15, Teton Cty
As we head out of Power, we’ll approach Interstate 15.
AMP: 19
Location: S-431 and I-15, Teton Cty
Follow I-15 south to Great Falls and I-15 north to Shelby.
AMP: 19
Location: S-431 and I-15, Teton Cty
Turn right for I-15 south. Stay straight for I-15 north.
AMP: 19
Location: S-431 and I-15, Teton Cty
Turn left for I-15 north towards Shelby.
AMP: 20
Location: S-431 and I-15, Teton Cty
Turn left for I-15 north.
S to US-89/MT-200, N to S-221/S-379
