(A) A person shall not operate any commercial motor vehicle upon a highway outside of a business or residence district at any time from 1/2 hour before sunset to 1/2 hour before sunrise unless that vehicle carries the number and type of flares, electric lanterns, or other signals which the Department of Motor Transportation shall by regulation require.
(B) Whenever any commercial vehicle and its lighting equipment are disabled during a period when lighted lamps must be illuminated on vehicles and the vehicle cannot immediately be removed from the main traveled portion of a highway outside of a business or residence district, the person in charge of the vehicle shall cause to be placed upon the highway the flares, lanterns and other signals as the Department of Motor Transportation shall by regulation require, and the flares, lanterns, or other signals shall be utilized as required by the regulations.
(KRS 189.070) Penalty, see § 70.99 (A)