1. It is unlawful, while on a bus, in the terminal, or on property contiguous thereto for any person:
(1) To threaten a breach of the peace or use any obscene, profane, or vulgar language;
(2) To be under the influence of alcohol, unlawfully under the influence of a controlled substance, to ingest or have in his possession any controlled substance unless properly prescribed by a physician or medical facility, or to drink intoxicating liquor of any kind in or upon any passenger bus except a chartered bus;
(3) To fail to obey a reasonable request or order of a bus driver or any duly authorized company representative.
2. If any person shall violate any provision of this section, the driver of the bus, or person in charge thereof, may stop it at the place where the offense is committed, or at the next regular or convenient stopping place of the bus and require the person to leave the bus.
3. Violation of this section is a class C misdemeanor.