AMP: 93 Location: 10th Ave S and 11th St S, Great Falls Reassurance shield as US 87 departs the concurrency AMP: 94 Location: 10th Ave S and 8th St S, Great Falls Stay straight for I-15 in both directions AMP: 94 Location: 10th Ave S and 6th St S, Great Falls If you want, though, you can turn … Continue reading Montana Highway 200, US-87 to I-15 Bus