(a) No person shall operate any truck, bus or truck-tractor, or any motor vehicle towing a trailer, semitrailer or pole trailer eighty (80) inches or more in width or thirty (30) feet or more in length, upon any highway outside an urban district or upon any divided highway at any time from a half hour after sunset to a half hour before sunrise unless there shall be carried in such vehicles the following equipment, except as provided in subsection (b):

(1) At least three (3) flares or three (3) red electric lanterns or three (3) portable red emergency reflectors, each of which shall be capable of being seen and distinguished at a distance of not less than six hundred (600) feet under normal atmospheric conditions at nighttime.

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No flare, fusee, electric lantern or warning flag shall be used for the purpose of compliance with the requirements of this section, unless such equipment is of a type which has been submitted to the secretary of transportation and approved by the secretary. No portable reflector unit shall be used for the purpose of compliance with the requirements of this section, unless it is so designed and constructed as to be capable of reflecting red light clearly visible from all distances within six hundred (600) feet to one hundred (100) feet under normal atmospheric conditions at night when directly in front of lawful lower beams of head lamps, and unless it is of a type which has been submitted to and approved by the secretary of transportation.

(2) At least three (3) red-burning fusees, unless red electric lanterns or red portable emergency reflectors are carried.

(b) No person shall operate at the time and under conditions stated in subsection (a) any motor vehicle used for the transportation of explosives or any cargo tank truck used for the transportation of flammable liquids or compressed gases, unless there shall be carried in such vehicle three (3) red electric lanterns or three (3) portable red emergency reflectors meeting the requirements of subsection (a), and there shall not be carried in any said vehicle, or in any vehicle using compressed gas as a fuel, any flares, fusees or signal produced by flame.

(c) No person shall operate any vehicle described in subsection (a) or (b) upon any highway outside of an urban district or upon a divided highway at any time when lighted lamps are not required by Kan. Stat. Ann. § 8-1703, unless there shall be carried in such vehicle at least two (2) red flags, not less than twelve (12) inches square, with standards to support such flags.

(d) Any person who is subject to requirements of any federal agency with respect to flares, fusees, electric lanterns or warning flags and who is in compliance with such federal regulations shall be deemed to be in compliance with the provisions of this section and Kan. Stat. Ann. § 8-1745.