1. 1. No person shall operate on any public highway of this state any slow-moving vehicle or equipment after sunset to one-half hour before sunrise, any animal-drawn vehicle, or any other machinery, designed for use or normally operated at speeds less than twenty-five miles per hour, including all road construction or maintenance machinery except when engaged in actual construction or maintenance work either guarded by a flagman or clearly visible warning signs, which normally travels or is normally used at a speed of less than twenty-five miles per hour unless there is displayed on the rear thereof an emblem as described in, and displayed as provided in subsection 2 in this section. The requirement of such emblem shall be in addition to any lighting devices required by section 307.115.
2. 2. The emblem required by subsection 1 of this section shall be of substantial construction, and shall be a basedown equilateral triangle of fluorescent yellow-orange film or equivalent quality paint with a base of not less than fourteen inches and an altitude of not less than twelve inches. Such triangle shall be bordered with reflective red strips having a minimum width of one and three-fourths inches, with the vertices of the overall triangle truncated such that the remaining altitude shall be a minimum of fourteen inches. Such emblem shall be mounted on the rear of such vehicle near the horizontal geometric center of the rearmost vehicle at a height of not less than four feet above the roadway, and shall be maintained in a clean, reflective condition. The provisions of this section shall not apply to any vehicle or equipment being operated on a gravel or dirt surfaced public highway.
3. 3. Any person who shall violate the provisions of this section shall be guilty of an infraction.
4. 4. No emblem shall be required on machinery or equipment pulled or attached to a farm tractor providing the machinery or equipment does not extend more than twelve feet to the rear of the tractor and permits a clear view of the emblem on the tractor by vehicles approaching from the rear.

(L. 1971 S.B. 99 § 1, A.L. 1996 H.B. 1047)