It shall be unlawful for any person to go upon any bus carrying passengers for hire in the City and bring with such person any animal, except dogs trained to assist sensory-impaired persons, such as Seeing Eye or hearing dogs, 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 prohibited animals from going upon any such bus or to eject such person from the vehicle. (Code 1981 § 46-24. Code 1995 § 154-31.)