AMP: 127 Location: I-15 and Harrison Ave, Butte Reassurance shield after the business loops split. AMP: 125 Location: I-15 and Montana St, Butte Reassurance shield after the Montana Street interchange AMP: 124 Location: I-15 and I-115, Butte As we head out of Butte, I-115 will merge into I-15/90, carrying the business loops with it. There … Continue reading Interstate 15, I-15 Bus/I-90 Bus/MT-2 to I-115/I-15 Bus/I-90 Bus