2005 Arizona Revised Statutes - Revised Statutes §28-945  Alternate road lighting equipment

A motor vehicle may be operated under the conditions specified in section 28-922 when it is equipped with two lighted lamps that are on the front of the motor vehicle and that are capable of revealing persons and objects seventy-five feet ahead in lieu of lamps required in section 28-941 or 28-943, but the motor vehicle shall not be operated at a speed of more than twenty miles per hour.