As of July 1 2018...........
Specifies that head lamps on motor vehicles, motorcycles, and motor driven cycles may display only white or amber light. Requires that motor vehicles except for motorcycles, motor vehicles manufactured before January 1, 1956, and motor driven cycles must be equipped with two stoplights. Specifies that: (1) stop lamps on the rear of a vehicle must be red; and (2) signal lamps on the rear of a vehicle must display only red or amber light or any shade of color between red and amber. Specifies that signal lamps showing to the front of a vehicle must display only white or amber light or any shade of color between white and amber.
Won't let me give you rep points, but thanks for this!