AMP: 120 Location: I-15 and I-90, Silver Bow Cty Reassurance shield as I-15 splits from I-90. 15 won’t concur with another interstate until it hits I-84 in Tremonton, UT. AMP: 119 Location: I-15 and Port of Montana Rd, Silver Bow Cty Reassurance shield after the Port of Montana interchange. AMP: 116 Location: I-15 and Buxton … Continue reading Interstate 15, I-90 to MT-43