(a) A general vendor shall not place a vehicle, pushcart or stand, or conduct a general vending business at a location in the roadway where stopping, standing or parking is prohibited, or during a time period when stopping, standing or parking is restricted.
(b) A general vendor shall not place a vehicle, pushcart or stand, or conduct a general vending business in the roadway in a metered parking space unless such vendor has complied with the coin requirements of such meter. A general vendor shall not remain in a metered parking space for a period of time in excess of the maximum time permitted at such space. Moreover, a general vendor shall not display, sell or offer merchandise for sale from any vehicle parked at a metered parking space.
(c) A general vendor shall not place a vehicle, pushcart or stand or conduct a general vending business in the roadway within fifteen (15) feet of a fire hydrant or within a safety zone.