State Highway Boulder Canyon near as you leave deadwood when the speed limit changes from 35 to 55
As you leave from Deadwood (East) you come up a hill that tee’s. At the tee you can go toward Spearfish or through Boulder Canyon to Sturgis. Going through boulder canyon you continue up the hill at 35mph…..at the top of the hill the speed limit changes to 55. A deputy likes to sit on the other side of the hill and clock you right before the sign.
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