(a) Any vehicle, freight motor vehicle, truck-tractor, trailer or semitrailer or combinations of these vehicles that transports crushed stone, fill dirt and rock, soil, bulk sand, coal, clay, shale, phosphate muck, asphalt, concrete, other building materials, forest products, unfinished lumber, ferrous and non-ferrous scrap metal, agricultural lime, liquid fertilizer, solid waste, coal ash and agricultural products shall be permitted to register as follows:

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Terms Used In Tennessee Code 55-4-124

  • Gross weight: means the weight of a vehicle without load plus the weight of any load thereon. See Tennessee Code 55-8-101
  • Highway: means the entire width between the boundary lines of every way when any part thereto is open to the use of the public for purposes of vehicular travel. See Tennessee Code 55-8-101
  • Semitrailer: means every vehicle with or without motive power, other than a pole trailer, designed for carrying persons or property and for being drawn by a motor vehicle and so constructed that some part of its weight and that of its load rests upon or is carried by another vehicle. See Tennessee Code 55-8-101
  • State: when applied to the different parts of the United States, includes the District of Columbia and the several territories of the United States. See Tennessee Code 1-3-105
  • Trailer: means every vehicle with or without motive power, other than a pole trailer, designed for carrying persons or property and for being drawn by a motor vehicle and so constructed that no part of its weight rests upon the towing vehicle. See Tennessee Code 55-8-101
  • Vehicle: means every device in, upon or by which any person or property is or may be transported or drawn upon a highway, excepting devices used exclusively upon stationary rails or tracks. See Tennessee Code 55-8-101
(1) The vehicles hauling such products in a single unit motor vehicle having four (4) axles and designed to unload itself, with a gross weight not exceeding seventy-four thousand pounds (74,000 lbs.) including the load thereon, shall be permitted to register as a Class 10 vehicle, or purchase the appropriate special zone tag; and
(2) The vehicles hauling such products in a single unit motor vehicle having three (3) axles and designed to unload itself, with a gross weight not exceeding sixty-six thousand pounds (66,000 lbs.) including the load thereon, shall be permitted to register as a Class 9 vehicle, or purchase the appropriate special zone tag.
(b) If the commissioner of transportation is formally notified by an appropriate federal official that, as a result of any provision of this section, the state will lose federal funds, then the provision shall be void and inoperative.
(c) Nothing contained in this section shall be construed as authorizing these vehicles to use that portion of the state highway system designated as the interstate system.
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