A.
No person shall ride or drive any animal or any motor vehicle over or across any sidewalk in the City, nor operate a bicycle, skateboard, scooter, roller blades, or any self-propelled conveyance upon the sidewalk of any district in the City zoned for commercial use.
B.
Nothing in this section shall prohibit the use of conveyances designed and used by disabled persons, so long as the individuals using such conveyances do not exceed the speed of the normal flow of pedestrians using the sidewalks.