§ 74.071  AMBER 3 BAR CLEARANCE LIGHT.
   Each Type I school bus shall be equipped with an amber three bar clearance light on the front of the bus.  The light shall be illuminated at all times when the bus is being operated between sunset and sunrise, and in conditions of reduced visibility.
(ILCS Ch. 625, Act 5, § 12-811)  Penalty, see § 70.999