§47-14-103.

§47-14-103.
   
   Except as otherwise provided for by this chapter:
   
   A. No vehicle, with or without load, shall have a total outside width
   in excess of one hundred and two (102) inches excluding both tire
   bulge and approved safety devices when operated on any road or highway
   in this state. The provisions of this subsection shall not apply to
   any person engaged in the hauling of round baled hay with a total
   outside width of eleven (11) feet or less when the hay is owned by
   such person and is being hauled for any purpose other than resale.
   
   B. No vehicle, with or without load, shall exceed a height of thirteen
   and one-half (13 1/2) feet.
   
   C. 1. No single truck, with or without load, shall have an overall
   length, inclusive of front and rear bumpers, in excess of forty-five
   (45) feet.
   
   2. No single bus, with or without load, shall have an overall length,
   inclusive of front and rear bumpers, in excess of forty-five (45)
   feet.
   
   3. a. On the National Network of highways which includes the National
   System of Interstate and Defense Highways and four-lane divided
   Federal Aid Primary System Highways, no semitrailer operating in a
   truck tractor/semitrailer combination shall have a length greater than
   fifty-three (53) feet, except as provided for in subsection C of
   Section 14-118 of this title which shall apply to semitrailers
   exceeding fifty-three (53) feet but not exceeding fifty-nine (59) feet
   six (6) inches. On the National System of Interstate and Defense
   Highways and four-lane divided Federal Aid Primary System Highways, no
   semitrailer or trailer operating in a truck- tractor/semitrailer and
   trailer combination shall have a length greater than fifty-three (53)
   feet.
   
   b. On roads and highways not a part of the National System of
   Interstate and Defense Highways or four-lane divided Federal Aid
   Primary System Highways, no semitrailer operating in a
   truck-tractor/semitrailer combination shall have a length greater than
   fifty-three (53) feet and no semitrailer or trailer operating in a
   truck-tractor/semitrailer and trailer combination shall have a length
   greater than twenty-nine (29) feet. Except as provided for in
   subsection D of Section 14-118 of this title, no other combination of
   vehicles shall have an overall length, inclusive of front and rear
   bumpers, in excess of seventy (70) feet on all roads and highways. For
   the purposes of this paragraph, oil field rig-up trucks shall be
   considered to be truck-tractors, when towing a trailer or semitrailer.
   
   4. No combination of vehicles shall consist of more than two units,
   except:
   
   a. one truck and semitrailer or truck-tractor/semitrailer combination
   may tow one complete trailer or semitrailer; or
   
   b. vans, suburbans, blazers or other similar types of vehicles and
   self-propelled recreational vehicles with a three-quarter (3/4) ton or
   more rated capacity, may tow a semitrailer and one complete trailer or
   semitrailer for recreational purposes only, provided the overall
   length, inclusive of the front and rear bumpers, does not exceed
   sixty-five (65) feet.
   
   5. Poles and gas lines used to maintain public utility services, not
   to include new construction, may be moved during daylight hours, and
   during nighttime hours only in an emergency, subject to traffic and
   road restrictions promulgated by the Commissioner of Public Safety,
   when the overall length does not exceed eighty (80) feet. When this
   length is exceeded, these loads are subject to the requirements of
   Section 14-118 of this title.
   
   6. For the purposes of subparagraphs 1, 3, and 4 of this paragraph,
   the length of unitized equipment, which is defined to be equipment so
   constructed and attached to a rubber-tired vehicle that the vehicle
   and load become a unit and are for all practical purposes inseparable,
   shall be the length of the vehicle itself, and shall not include any
   protrusion of the equipment load so constructed or attached. Said
   equipment shall not protrude for a distance greater than two-thirds
   (2/3) of the wheel base of said vehicle, shall not impair the driver's
   vision, and if less than seven (7) feet above the roadway, shall be
   safely marked, flagged or illuminated. Any such protruding structure
   shall be securely held in place to prevent dropping or swaying.
   Unitized equipment shall carry such safety equipment as shall be
   determined to be necessary for the safety, health, and welfare of the
   driving public by the Commissioner of Public Safety.
   
   7. For the purposes of subparagraphs 1, 3, and 4 of this paragraph, a
   truck-tractor, when being towed by another vehicle with the wheels of
   its steering axle raised off the roadway, shall be considered to be a
   semitrailer as defined in Section 1-162 of this title.
   
   8. The provisions of subparagraphs 1 and 3 of this paragraph shall not
   apply to any contractor or subcontractor, or his agents or employees,
   while engaged in transporting material to the site of a project being
   constructed by, for, or on behalf of this state or any city, town,
   county, or subdivision of this state.
   
   9. Special mobilized machinery, as defined in Section 1102 of this
   title, which exceeds the size provisions of this section shall only
   use the highways of the State of Oklahoma by special permit issued by
   the Commissioner of Public Safety or his authorized representative.
   Such special permit shall be:
   
   a. a single-trip permit issued under the provisions of Section 14-116
   of this title, or
   
   b. a special annual oversize permit issued for one calendar year
   period upon payment of a fee of Ten Dollars ($10.00) plus any amount
   as provided by subsection D of Section 1129 of this title.