Last Driven August 2020 (Historic Photo: January 2013) AMP: 62 Location: I-15 and I-15 Business, Beaverhead Cty Reassurance shield after the business loop rejoins (Historic Photo: January 2013) AMP: 62 Location: I-15 and I-15 Business, Beaverhead Cty Two miles to highway 278. 278 is a secondary, but is one of the very most important secondaries … Continue reading Interstate 15, I-15 Bus to S-222/S-278