(a) Whenever any person is riding a bicycle upon a sidewalk, such a person shall yield the right-of-way to any pedestrian and shall give audible signal before overtaking and passing such pedestrian. (1979 Code 75.08)
(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.