The ticket agent of a passenger train shall at all times have the power to refuse to sell a ticket to a person wanting to purchase a ticket who may at the time be intoxicated. The conductor in charge of the train shall at all times have the power to prevent an intoxicated person from boarding the train. An intoxicated person who boards a train after being forbidden by the conductor to do so is guilty of a Class 1 misdemeanor.
N.C. Gen. Stat. § 136-197