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