Location: I-90 and I-190, Rapid City Reassurance shield after the I-190 interchange that omits SD-79. This is likely an artifact of the fact that until recently, SD-79 was aligned along SD 445 Location: I-90 and Deadwood Ave, Rapid City Speaking of SD-445, we’ll come up on the unsigned route here, next to a very Wyoming-esque … Continue reading U.S. Route 14, I-190/US-16/US-16 Truck to SD-445