AMP: 0
Location: S-381 and US-12, Mussellshell Cty
Reassurance shield at the beginning of S-381
AMP: 4
Location: S-381 and Hay Coulee Rd, Musselshell Cty
4.8 miles into this thing, the pavement turns gravel
AMP: 16
Location: S-381 and Dailey Rd, Mussellshell Cty
381 comes to an end here, 12 miles later, at this unceremonious intersection.