A. No operator shall permit a passenger and no passenger shall ride on a vehicle upon a street except on a portion of the vehicle designed or intended for the use of passengers. This provision shall not apply to an employee engaged in the necessary discharge of a duty or to a person riding within a truck body in space intended for merchandise.

B. No person shall board or alight from a vehicle while the vehicle is in motion upon a street. (Ord. 2-1988 § 9(2), 1988.)