(a) The commissioner of transportation, subject to the review and approval of the executive director of emergency management and communications where appropriate, is hereby authorized to determine intersections, alleys and driveways at which operators of vehicles shall not make a right or left turn and upon what streets or parts of streets operators of vehicles shall not turn such vehicles so as to proceed in the opposite direction, and he shall erect appropriate signs giving notice of the prohibitions. The making of right or left turns in the opposite direction may be prohibited between certain hours of any day and permitted at other hours, in which event the same shall be plainly indicated on the signs or they may be removed or covered by the commissioner of transportation, subject to the review and approval of the executive director of emergency management and communications where appropriate, when such turns are permitted.
(b) Whenever official signs are erected indicating that no right or left turn or turn in the opposite direction is permitted, no driver of a vehicle shall disobey the directions of any such sign.
(Added Coun. J. 7-12-90, p. 18634; Amend Coun. J. 12-11-91, p. 10832; Amend Coun. J. 12-7-05, p. 64870, § 1.9)