(1) No person shall ride a bicycle upon a sidewalk within a business district, as such district is defined in The Vehicle Code.

(2) No person 12 years of age or more shall ride a bicycle upon any sidewalk in any district.

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

(4) In areas under the jurisdiction of the Fairmount Park Commission, riding bicycles on sidewalks and foot paths may be permitted when authorized by regulations of the commission.^[7]

(5) Notwithstanding the provisions of Section 12-811 of this Chapter, the penalty for violation of this Section shall be a fine of $10, together with the costs of prosecution.^[8]