It shall be unlawful for any person to go upon any regularly scheduled bus carrying passengers for hire in the City while carrying open containers of food or drink and any motorman or conductor of such bus is hereby empowered to use such reasonable force as may be necessary to prevent any person with open food or drink containers from going upon any such bus or to eject such person from the vehicle. (Code 1981 § 46-23. Code 1995 § 154-29.)