The driving on ways of this state of any vehicle or combination of vehicles whose length including load exceeds the limitations of this section is hereby prohibited:
I. For a single unit vehicle or a bus, 45 feet including front and rear bumpers.

Terms Used In New Hampshire Revised Statutes 266:11

  • Bus: shall mean every motor vehicle designed for carrying more than 10 passengers and used for transportation of persons; and every motor vehicle, other than a taxicab, designed and used for the transportation of persons for compensation. See New Hampshire Revised Statutes 259:7
  • Combination vehicle: shall mean a combination of truck-tractor and semi-trailer, or a combination of truck-tractor, semi-trailer, and full trailer, being driven together as an articulated unit. See New Hampshire Revised Statutes 259:11-a
  • Commissioner: shall mean the commissioner of safety. See New Hampshire Revised Statutes 259:13
  • Full trailer: shall mean any trailer being towed behind a semi-trailer as part of a combination vehicle also known as twin-trailers or "double bottoms. See New Hampshire Revised Statutes 259:37-a
  • Semi-trailer: shall mean a vehicle of the trailer type so designed and used in conjunction with a self-propelled vehicle that a considerable part of its own weight or that of its load rests upon and is carried by the towing vehicle, and not including a pair or set of wheels commonly used as an implement for other purposes than transportation, provided, however, that the word "semi-trailer" shall not include any vehicle as described in this section if used exclusively for agricultural purposes unless said vehicle be of the type constructed specifically to be towed by a tractor-type truck. See New Hampshire Revised Statutes 259:98
  • Single unit vehicle: shall mean a truck consisting of cab, chassis and body capable of carrying a load and not primarily designed for drawing other vehicles. See New Hampshire Revised Statutes 259:100-a
  • State: shall mean :
    I. See New Hampshire Revised Statutes 259:106
  • Tandem axle: shall mean 2 consecutive axles whose centers may be included between parallel vertical planes spaced at least 4 feet and not more than 10 feet apart, extending across the full width of the vehicle, except that for vehicles being driven on the interstate and defense highway system with a gross weight in excess of 73,280 pounds a tandem axle shall be limited to 2 or more consecutive axles whose centers may be included between parallel vertical planes spaced not less than 40 nor more than 96 inches apart, extending across the full width of the vehicle. See New Hampshire Revised Statutes 259:107-a
  • Truck-tractor: shall mean any vehicle designed and intended primarily for drawing other vehicles and not so constructed as to carry a load other than a part of the vehicle and load so drawn, except that a truck-tractor engaged in the transportation of automobiles may transport motor vehicles on a part of the power unit. See New Hampshire Revised Statutes 259:116
  • Vehicle: shall mean :
    I. See New Hampshire Revised Statutes 259:122

II. For a semi-trailer in a truck-tractor, semi-trailer combination, 53 feet, except that any semi-trailer in excess of 48 feet shall not be operated if:
(a) The distance between the kingpin and the centerline of the rear axle or the midpoint of a tandem axle of the semi-trailer exceeds 41 feet;
(b) The semi-trailer is not equipped with a rear end protection device of substantial construction consisting of a continuous lateral beam extending to within 4 inches of the lateral extremities of the semi-trailer and located not more than 22 inches from the surface as measured with the semi-trailer empty and on a level surface; and
(c) Operated on highways other than any interstate or defense highway, unless such highway is designated by the commissioner. This shall not preclude movements on highways other than interstate, defense and designated highways for a distance of one mile to terminals, points of pickup and delivery, fuel, repairs, food or rest using the most direct, practical route except if the commissioner precludes such travel for specific safety reasons on individual routes. The commissioner may designate other roads or highways in the state where semi-trailers 53 feet in length or less may be operated. The commissioner may adopt rules pursuant to N.H. Rev. Stat. Chapter 541-A to impose further requirements or limitations on semi-trailers of this length.
III. For a semi-trailer or full trailer being driven as part of a combination vehicle with 2 trailing units, 28 feet.
IV. For manufactured housing or modular building transport, 110 feet including the transport vehicle.