AMP: 123 Location: I-15 and I-115, Silver Bow Cty As we climb out of Rocker, we’re a mile from the I-115 split AMP: 124 Location: I-15 and I-115, Butte Exit left for I-115, a quick spur into Butte. Keep right to head towards the other two Butte exits AMP: 124 Location: I-15 and I-115, Butte Exit left … Continue reading Interstate 90, S-276 to I-115/I-15 Bus/I-90 Bus