§320.1. Vehicular hazard warning signals
A. Any vehicle may be equipped with lamps for the purpose of warning the operators of other vehicles of the presence of a vehicular traffic hazard requiring the exercise of unusual care in approaching, overtaking or passing.
B. Every vehicle other than a motorcycle or motor-driven cycle registered in this state and manufactured or assembled after December 31, 1972, shall be equipped with vehicular hazard warning signal lamps meeting the requirements of this section.
C. Vehicular hazard warning signal lamps used to display such warning to the front shall be mounted at the same level and as widely spaced laterally as practicable and shall display simultaneously flashing amber lights, provided that on any vehicle manufactured prior to January 1, 1975, the lamps showing to the front may display simultaneously flashing white or amber lights, or any shade of color between white and amber. The lamps used to display such warning to the rear shall be mounted at the same level and as widely spaced laterally as practicable, and shall show simultaneously flashing amber or red lights, or any shade of color between amber and red. These warning lights shall be visible from a distance of not less than 500 feet in normal sunlight on vehicles 80 inches or more in overall width and 300 feet in normal sunlight on vehicles less than 80 inches in overall width.
Added by Acts 1974, No. 225, §1.