U.S. Route 18, US-85 to SD State Line


AMP: 0

Location: US-18 and US-85, Niobrara Cty

Reassurance shield as US-18 splits from US-85. This is the first time in its existence that US-18 will run completely alone

AMP: 10

Location: US-18 at the South Dakota State Line, Niobrara Cty

A few miles later, US-18 will enter South Dakota and continue its journey eastward to Wisconsin

E to SD-471, W to WYO 270

N to US-16, S to WYO 270