(1) The lights shall be red in color.
(2) The lights shall be either a lighted light or lantern.
(3) The lights shall be placed at the extreme rear end of a load.
(4) The lights shall be plainly visible from a distance of at least 500 feet to the sides and rear of the vehicle. [1983 c.338 §458 (26); 1985 c.16 §240 (26); 1985 c.69 §1 (26); 1985 c.71 §4 (26); 1985 c.393 §13 (26); 1985 c.420 §6 (26)]