(A) No vehicles shall turn left when proceeding into or proceeding out of an alley except when necessary to enter a one-way street, and no vehicle shall cross any street or highway when proceeding into or proceeding out of any alley except as provided in division (B) of this section.
(B) Left turns may be made when proceeding out of an alley if a traffic survey conducted by the traffic engineer shows that such turn may be made safely and official signs are erected authorizing such turns.
(C) The foregoing provisions of this section shall not apply to bus terminals used by licensed and authorized bus lines.
(`83 Code, § 15-909) Penalty, see § 71.999