(A) Any person operating a bicycle shall obey the instructions of official traffic-control signals, signs and other devices applicable to vehicles, unless otherwise directed by the Town Marshal.
(B) Whenever authorized signs are erected, including 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 a bicycle to make any such turn, in which event such person shall then obey the regulations applicable to pedestrians.
(`77 Code, § 32.02)