Montana Secondary Highway 324, I-15 to ID-29/ID State Line


AMP: 0

Location: S-324 and I-15, Beaverhead Cty

Reassurance shield as S-324 begins.

AMP: 15

Location: S-324 and Mansfield Ln, Beaverhead Cty

Reassurance shield as we pass by the small community of Grant.

AMP: 29

Location: S-324 and Lemhi Pass Rd, Beaverhead Cty

There are two passes accessible from this area- Lemhi Pass, which follows a non-state highway, and Bannock Pass, which follows state routes. Both are unpaved, and 324’s pavement will end here, shortly after the turnoff to Lemhi Pass.

AMP: 34

Location: S-324 and ID-29, Beaverhead Cty

Five miles later, as we gradually climb, we’ll reach Bannock Summit. Idaho begins on the other side of the fence, and the road turns into State Highway 29.

S to ID-28

S to S-509, N to S-222/S-278