2014 Tennessee Code
Title 55 - Motor and Other Vehicles
Chapter 4 - Registration and Licensing of Motor Vehicles
Part 1 - General Provisions
§ 55-4-124 - Registration of vehicles hauling certain materials.

(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:

(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.