A. Any person operating a bicycle shall obey the instructions of official traffic control signs and other control devices applicable to vehicles, unless otherwise directed by a police officer.
B. When authorized signs are erected indicating that no right or left or U-turn is permitted, no person operating a bicycle shall disobey the direction of any such sign, except where such person dismounts from the bicycle to make any such turn, in which event such person shall then obey the regulations applicable to pedestrians. (1985 Code ch. 20 § 14-3)