AMP: 0 Location: I-115 and I-15, Butte Reassurance shield as I-115 begins. The route concurs with the business loops for its entire duration. AMP: 1 Location: I-115 and Excelsior Ave, Butte Exit for I-115’s only exit AMP: 1 Location: I-115 and Excelsior Ave, Butte Reassurance shield after Excelsior Avenue AMP: 2 Location: I-115 and Montana St, Butte I-115 ends … Continue reading Interstate 115, I-15/I-90/I-15 Bus/I-90 Bus to I-15 Bus/I-90 Bus