(a) Any person operating a cycle shall obey instructions of official traffic control signals, signs and other control devices applicable to vehicles, unless otherwise directed by a police officer.

    (b) Whenever authorized signs are erected indicating that no right or left or U-turn is permitted, no person operating a cycle shall disobey the direction of any such sign. A person may dismount from the cycle to make any such turn, in which event such person shall then obey the regulations applicable to pedestrians.

(Code 1964, § 12.1490)