(a) Whenever a designated usable path for bicycles has been provided adjacent to a street, bicycle riders shall use such path and shall not use the street.
(b) Whenever a person is riding a bicycle upon a sidewalk or street, such person shall yield the right of way to any pedestrian and shall give an audible signal before attempting to overtake and pass a pedestrian or another bicycle. This audible signal shall be given only by bell or other warning device capable of giving an audible signal and shall be given at such a distance and in such a manner as not to startle the person being overtaken and passed.
(c) No person shall ride a bicycle across or through any intersection involving a through street. Such intersections are to be crossed by walking the bicycle across or through the intersection.
(d) Whenever a person is riding a bicycle upon a sidewalk, the person, before overtaking and passing a blind person carrying a white or metallic cane, shall dismount and overtake or pass on foot.
(e) When a bicycle is operated on the street, the operator shall give hand signals before turning, changing lanes or stopping. Such signals shall conform with Section 331.15.
(f) The operator of a bicycle emerging from or turning into an alley, driveway or building shall, upon approaching a sidewalk or the sidewalk area extending across any alley, driveway or building, yield the right of way to all pedestrians approaching on such sidewalk area. Upon entering the street, such operator shall yield the right of way to all vehicles approaching on such street.
(g) 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.