AMP: 495 Location: I-90 and Crawford Rd, Hardin Reassurance shield after the 90 business interchange. AMP: 497 Location: I-90 and 3rd St, Crow Cty A couple miles later, the business loop will rejoin at Third St. I-90 turns south here, and will head south all the way to Buffalo, Wyoming.   S to US-212, W … Continue reading U.S. Route 87, I-90 Bus/MT-47 to I-90 Bus/MT-47