North Bound 309 near the Salt Mound (right at the bend) . state trooper sits there all the time and you usually don’t see him until it is too late. Pretty much everyone I know has gotten 1 ticket there. You can always tell the regular drivers because they will slow down at the area and let the non regulars speed past and get the tickets . .which they don’t plead down due to construction area and the costs are brutal!