AMP: 93 Location: I-94 and I-94 Business, Rosebud Cty Reassurance shield as US-12 joins I-94. The two routes will concur to Miles City. AMP: 94 Location: I-94 and 18th Ave, Forsyth In 3/4 of a mile, the I-94 Business Loop will rejoin.  E to S-446/S-447, W to I-94 Bus  W to MT-39, E to S-446/S-447  … Continue reading U.S. Route 12, I-94/I-94 Bus to I-94 Bus