474.03 COMPLIANCE WITH TRAFFIC CONTROL DEVICES REQUIRED.
   (a)   Any person operating a bicycle shall obey the instructions of official traffic 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, 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.
(Ord. 74-63. Passed 7-1-74.)
   (c)   Whoever violates any provision of this section is guilty of a minor misdemeanor on a first offense; on a second offense within one year after the first offense, the person is guilty of a misdemeanor of the fourth degree; on each subsequent offense within one year after the first offense, the person is guilty of a misdemeanor of the third degree.