(a)   As used in this section, "skateboard" means and includes any vehicle or device consisting basically of a board or platform mounted on wheels or rollers, whether powered by gravity, muscle power or mechanical or motorized means, which vehicle or device is not equipped with a positive, mechanical means of steering such vehicle or device.
   (b)   No person shall ride a skateboard upon a sidewalk located in a B-1 Limited Business District, B-2 Neighborhood Business District, B-3 Central Business District, B-4 General Business District, M-1 Light Manufacturing District or M-2 General Manufacturing District.
   (c)   No person shall ride a skateboard in a park or recreation area of the City, except in an area designated by the Superintendent of Parks and Recreation to be devoted exclusively for the use of persons riding skateboards. Skateboard areas located within park or recreation areas of the City shall be marked by signs indicating that the area is for the exclusive use of skateboard users and that the skaters skate at their own risk.
   (d)   No person shall operate a skateboard at a speed greater than is reasonable and prudent under the conditions then existing. For purposes of this section, any speed above fifteen miles per hour shall be prima-facie unreasonable and imprudent.
(Ord. 88-23. Passed 5-2-88. )