Delaware Code § 21-4501

Size and weight of vehicles generally
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(a) No person shall drive or move, or, being the owner, cause or knowingly permit to be driven or moved on any highway, any vehicle
or combination of vehicles:
(1) Having a size or weight exceeding the limitations stated in this chapter; or
(2) Having a gross weight exceeding that for which it is lawfully registered; or
(3) In violation of any provision of this title; or
(4) Having a gross weight exceeding that for which it could have been registered in this State if it is registered for a greater weight
in another state, unless a reciprocity agreement between the 2 states is in effect; or
(5) In violation of the rules or regulations of the Secretary of Safety and Homeland Security adopted pursuant to this title or this
chapter; or
(6) Special mobile equipment.
(b) For purposes of this chapter, any combination of trucks, truck trailers, trailers and semitrailers, not specifically authorized herein,
shall be unlawful. The following are authorized:
(1) A truck and trailer.
(2) A truck tractor, semitrailer.
(3) A truck tractor, semitrailer, trailer.
(4) A vehicle string utilizing saddlemount and/or fullmount.
(5) A tow truck and a disabled vehicle or combination of vehicles.
(c) Except as otherwise provided herein, this chapter applies to every vehicle operated upon any road, street or highway within this
State. The maximum size and weight of vehicles specified herein by type of highway shall be lawful throughout this State and local
authorities may not alter such limitations, except as expressly provided in this chapter.
(d) Any gross weight measurements made to determine compliance with this chapter shall be taken so as to include both the vehicle
and load. Any vehicle having a gross weight in excess of that allowable under this chapter or in excess of that for which it is currently
registered shall be considered as an "overweight vehicle."
(e) Any linear measurements taken to determine compliance with this chapter shall be taken so as to include the vehicle and any load
thereon including any projections of any type, character or nature whatsoever, such as, but not limited to, bumpers, steps, mirrors and
hose connections specifically excluding the tongue of a trailer.
(f) Except as otherwise provided in this chapter, it shall be unlawful to operate any vehicle at a gross weight which exceeds the weight
for which it is registered and provided further that:
(1) Except as otherwise provided in paragraph (f)(1)a. or (f)(1)b. of this section, the total gross weight, including load, of a
combination of a truck tractor and semitrailer having a total of 5 or more axles may not exceed 80,000 pounds.
a. For a live-haul poultry truck traveling less than 150 miles from the farm to the plant, the total gross weight, including load,
of a combination of a truck tractor and semitrailer having a total of 5 or more axles may not exceed 90,000 pounds or combined
manufacturer's gross combined weight rating (GCWR), whichever is less. However, such a live-haul poultry truck may exceed the
established weight limit by no more than 3% to account for variations in bird weight due to bird size, moisture retention caused by
precipitation, or other unanticipated conditions. For the established weight limit and associated 3% variance to apply to a live-haul
poultry truck, the following conditions must exist:
1. The live-haul poultry truck must be subject to the Motor Carrier Safety Assistance Program (MCSAP) inspection.
2. The live-haul poultry truck must adhere to all bridge weight limits.
3. The live-haul poultry truck must not use the interstate highway system.
4. The axles on a live-haul poultry truck must be a minimum of 96 inches apart no later than May 8, 2015.
b. For a truck hauling farm produce grown in this State and traveling from the farm on which the farm produce is grown to a location
at which the farm produce is to be processed or stored, or from a location at which the farm produce is processed or stored to an export
facility within this State, the total gross weight, including load, of a combination of a truck tractor and semitrailer having a total of 5
or more axles may not exceed 90,000 pounds or combined manufacturer's gross combined weight rating (GCWR), whichever is less.
1. For purposes of this paragraph (f)(1)b., "farm produce" means fruits, vegetables, or commodity grains.
2. This paragraph (f)(1)b. applies to a truck hauling farm produce if all of the following conditions are met:
A. The truck hauling farm produce is subject to the Motor Carrier Safety Assistance Program (MCSAP) inspection.
B. The truck hauling farm produce adheres to all bridge weight limits.

C. The axles on a truck hauling farm produce are a minimum of 96 inches apart.
D. The truck hauling farm produce does not use the interstate highway system.
(2) The gross weight of a vehicle equipped with 2 or more axles without power brakes on each rear hub shall not exceed 22,000
pounds and it shall be unlawful to operate such vehicle in excess of 20 miles per hour.
(3) The gross weight of a trailer equipped with metal tires shall not exceed 6,000 pounds.
(4) Any vehicle, otherwise required to be registered pursuant to this title which is not registered and which requires a registration
fee that is calculated upon gross weight, shall be assigned a weight allowance equal to the highest legal weight for which that vehicle
could be registered for the purpose of enforcement of the weight section of this title.
(g) Except as otherwise provided in this chapter, it shall be unlawful to operate any vehicle in this State in violation of length, height
or size restrictions provided in this title and provided further that:
(1) No passenger vehicle shall carry any load extending beyond the line of the fenders on the left side of such vehicle nor extending
more than 6 inches beyond the line of the fender on the right side thereof.
(2) The load upon any vehicle operated alone or the load upon the front vehicle of a combination of vehicles shall not extend more
than 3 feet beyond the foremost part of the vehicle; and the load upon any vehicle operated alone or the load upon the rear vehicle of
a combination of vehicles shall not extend more than 6 feet beyond the rear of the bed or body of such vehicle. Pilings and/or poles or
mill logs, or nursery stock, or rowing shells, or steel beams, pipes, angles, channels and other length or steel, or other metal, or other
articles impossible of dismemberment shall not extend more than 10 feet beyond the rear of the bed or body of such vehicle.
(3) A number of motor vehicles may be transported in combination, utilizing saddlemount and/or fullmount mechanisms and utilizing
the motive power of 1 of the vehicles in combination, provided such combination of vehicles shall not exceed a length of 65 feet, and
provided further that the equipment used in such combinations shall comply with the safety regulations of the United States Department
of Transportation.
(4) Except as otherwise indicated herein, the limitations as to length of load stated in this chapter shall not apply to a vehicle or
combination of vehicles transporting boats, commonly known as crew or rowing shells for use in interscholastic or intercollegiate
rowing contests, provided that such boats shall not exceed 70 feet in length.
(5) Neither the State, any agency or subdivision thereof, nor any person, firm or corporation shall be required to raise, alter, construct
or reconstruct any underpass, wire, pole, trestle or other structure to permit passage of any vehicle having a height, including any load
thereon, in excess of 12 feet 6 inches. The liability for damage to any person, vehicle, structure or other property caused by any vehicle
having a height, including any load thereon, in excess of 12 feet 6 inches shall be borne by the owner and/or the operator of the vehicle.
(h) The provisions of § 4502 of this title do not apply to the following vehicles; provided, however, that the liability for damages
caused by any vehicle operated under this provision shall be borne by the owner of said vehicle:
(1) Fire apparatus owned or used by an organized fire company.
(2) Farm equipment being temporarily operated, moved, or transported on a highway, which shall include farm tractors and other
implements of husbandry being temporarily moved or transported by a manufacturer, dealer, business, or commercial transport
company.
(3) A vehicle being towed with 1 set of axles free of the roadway surface.
(i) Any vehicle or combination of vehicles, otherwise not in compliance with this chapter, but permitted to be operated within this
State by virtue of a special use permit pursuant to this chapter, shall be permitted to travel on such highways as shall be designated within
the contents of said permit.
(j) In accordance with the provisions of § 4503 of this title, a commercial motor vehicle is granted reasonable access between:
(1) Interstate roadways, federal-aid primary system highways, US numbered routes; and
(2) Terminals, facilities for food, fuel, repairs, and rest, and points of loading and unloading for household goods carriers, motor
carriers of passengers, and any tow-away trailer transporter combination.

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