(a) No vehicle shall be turned so as to proceed in the opposite direction upon any curve, or upon the approach to, or near the crest of a grade, where such vehicle cannot be seen by the driver of any other vehicle approaching from either direction within 500 feet.
(WVaC 17C-8-6)
(b) No vehicle shall be turned so as to proceed in the opposite direction within an intersection, or upon any street in a business district, or upon a freeway, expressway or controlled-access highway, or where authorized signs are erected to prohibit such movement, or at any other location unless such movement can be made with reasonable safety to other users of the street and without interfering with the safe operation of any traffic that may be affected by such movement.