Section 31-5-957 - Required flares, lanterns or reflectors for certain vehicles(a) No person shall operate any truck more than eighty (80) inches in width, bus, truck-tractor or any motor vehicle towing a house trailer, upon any highway outside an urban district or upon any divided highway unless there is carried in the vehicle the following equipment except as provided in subsection (b) of this section: (i) At least three (3) flares or three (3) red electric lanterns or three (3) portable red emergency reflectors, each of which shall meet the requirements in SAE Standards J596 and J597 and Federal Motor Vehicle Safety Standard No. 125. No flare, fusee, electric lantern or warning flag shall be used for the purpose of compliance with the requirements of this section unless the equipment is of a type which has been submitted to the superintendent and approved by him. 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 the superintendent and approved by him; (ii) At least three (3) red-burning fusees unless red electric lanterns or red portable emergency reflectors are carried. (b) No person shall use or permit the use of any flame-producing emergency signal for protecting any vehicle transporting explosives, Class A or Class B, any cargo tank motor vehicle used for the transportation of any flammable liquid or flammable compressed gas, whether loaded or empty, or any motor vehicle using compressed gas as motor fuel. In lieu thereof, emergency reflective triangles, red electric lanterns or red emergency reflectors shall be used, the placement of which shall be in the same manner as prescribed in W.S. 31-5-958.