While a passenger on a public bus, it shall be unlawful for any person to carry on unnecessary conversation with the operator of the bus, annoy other passengers by loud or boisterous conversation or other disorderly conduct, expectorate, smoke, or drink intoxicating liquor, or refuse to leave the bus when ordered to do so for non-payment of fare or any other violation.
('65 Code, § 23-6) (Ord. No. CS-275 Art. IV)