373.11  RIDING ON SIDEWALKS.
   (a)   No person shall operate a  bicycle on a sidewalk within a business district or on a sidewalk where signs are erected prohibiting such operation. 
(1980 Code 75.09; Ord. 14-71.)
   (b)   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.