C.F.R. » Title 49 » CHAPTER III—FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER B—FEDERAL MOTOR CARRIER SAFETY REGULATIONS › PART 393—PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION › Subpart G—Miscellaneous Parts and Accessories

49 C.F.R. § 393.81

Horn

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Every bus, truck, truck-tractor, and every driven motor vehicle in driveaway-towaway operations shall be equipped with a horn and actuating elements which shall be in such condition as to give an adequate and reliable warning signal.