Location: US-212 at the Wyoming Line, Butte Cty Reassurance shield as 212 enters South Dakota. 212 spends more time in SD than Wyoming, as it heads across the state to Minnesota. Location: US-212 and Access Rd, Butte Cty Reassurance shield about three miles into the state. Location: US-212 and Bonanza St, Belle Fourche About 15 … Continue reading U.S. Route 212, WY State Line to US-85