AMP: 6 Location: US-12 and I-94, Custer Cty Reassurance shield as 12 splits from 94 for the home stretch to North Dakota. The mileposts are carried over from where the I-94 Business loop began on the west side of Miles City. AMP: 16 Location: US-12 and Wolf Creek Rd, Custer Cty Reassurance shield about 10 … Continue reading U.S. Route 12, I-94/I-94 Bus to S-320