CFR›Title 49›Subtitle B›Chapter III›Part 374›Subpart B ContainsSection 374.201CorpusDaily eCFRDisplayed edition2026-07-22Last updated2026-07-22 Subpart B—Limitation of Smoking on Interstate Passenger Carrier Vehicles Sections 374.201 § 374.201 Prohibition against smoking on interstate passenger-carrying motor vehicles. Previous A Subpart A—Discrimination in Operations of Interstate Motor Carriers of Passengers Next C Subpart C—Adequacy of Intercity Motor Carrier Passenger Service