§ 74.100  SCOPE AND EFFECT OF §§ 74.100 THROUGH 74.116.
   (A)     It is unlawful for any person to drive or move on, upon, or across, or for the owner to cause or knowingly permit to be driven or moved on, upon, or across any highway any vehicle or vehicles of a size and weight exceeding the limitations stated in §§ 74.100 through 74.139.
   (B)     The provisions of §§ 74.100 through 74.116 governing size, weight, and load do not apply to fire equipment for snow and ice removal operations owned or operated by the city, or to implements of husbandry, as defined in ILCS Ch. 625, Act 5, §§ 1-101 et seq., temporarily operated or towed in a combination upon a highway, provided the combination does not consist of more than three vehicles or, in the case of hauling fresh, perishable fruits or vegetables from the farm to the point of first processing, not more than three wagons being towed by an implement of husbandry, or to a vehicle operated under the terms of a special permit issued under §§ 74.100 through 74.116. Except for weight limits on Class I highways under this chapter, the provisions of §§ 74.100 through 74.116 governing size, weight, and load do not apply to fire apparatus or emergency vehicles.
   (C)   (1)   The provisions of this chapter governing size, weight and load do not apply to any snow and ice removal equipment that is not more than 12 feet in width, if the equipment displays flags at least 18 inches square mounted on the driver’s side of the snow plow.
      (2)   These vehicles must be equipped with an illuminated rotating, oscillating, or flashing amber light or lights, or a flashing amber strobe light or lights, mounted on the top of the cab and of sufficient intensity to be visible at 500 feet in normal sunlight.  If the load on the transport vehicle blocks the visibility of the amber lighting from the rear of the vehicle, the vehicle must also be equipped with an illuminated rotating, oscillating, or flashing amber light or lights, or a flashing amber strobe light or lights, mounted on the rear of the load and of sufficient intensity to be visible at 500 feet in normal sunlight.
(ILCS Ch. 625, Act 5, § 15-101)  Penalty, see § 70.999