Okla. Stat. tit. 47, § 47-14-103

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A. Except as otherwise provided for by this chapter, no

vehicle, with or without load, shall have a total outside width in

excess of one hundred two (102) inches excluding:

1. Tire bulge;

2. Approved safety devices;

3. A retracted awning with a width of eight (8) inches or less

or other appurtenance of four (4) inches or less which is attached

to the side of a recreational vehicle, as defined in Section 1102 of

this title; and

4. Pins used as a safety precaution or as a load-assisting

device if the pins do not extend the overall width of the vehicle

beyond nine (9) feet. The State of Oklahoma hereby declares it has

determined, in accordance with 23 C.F.R., Section 658.15, that such

pins are necessary for the safe and efficient operation of motor

vehicles.

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. The provisions

of this subsection shall also not apply to any county official or

employee engaged in the hauling or pulling of a trailer or equipment

owned by the county on the county roads of such county.

B. Except as otherwise provided for by this chapter:

1. No vehicle, with or without load, shall exceed a height of

thirteen and one-half (13 1/2) feet on any county road, or fourteen

(14) feet on any turnpike, interstate, U.S. or state highway, unless

a greater height is authorized by a special permit issued by the

Executive Director of the Department of Transportation or an

authorized representative of the Department of Transportation

specifying the highways to be used, consistent with public

convenience and safety. The prohibitions on movement as prescribed

in subsection F of Section 14-101 of this title and paragraph 1 of

subsection G of Section 14-101 of this title shall not apply to

vehicles operated pursuant to such permits;

2. An official state bridge vertical clearance map providing

clearance heights as posted for bridges on the interstate, U.S. and

state highway systems shall be available on the Oklahoma Department

of Transportation website; and

3. Operators and owners of vehicles which exceed or have loads

which exceed thirteen and one-half (13 1/2) feet shall be held

liable for all damages to any part of structures spanning the

highway or damages suffered by other affected parties caused by the

vehicle or load exceeding the posted height.

C. Except as otherwise provided for by this chapter:

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;

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2. No single bus, with or without load, shall have an overall

length, inclusive of front and rear bumpers, in excess of forty-five
ted height.

C. Except as otherwise provided for by this chapter:

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;

Oklahoma Statutes - Title 47. Motor Vehicles Page 656

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

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;

c. On the National Network of Highways the overall length

limitation of a towaway trailer transporter

combination may exceed length restrictions up to

eighty-two (82) feet;

d. As used in this section:

(1) The term "trailer transporter towing unit" shall

mean a power unit that is not used to carry

property when operating in a towaway trailer

transporter combination, and

(2) The term "towaway trailer transporter

combination" shall mean a combination of vehicles

consisting of a trailer transporter towing unit

and two (2) trailers or semitrailers with a total

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weight that does not exceed twenty-six thousand

(26,000) pounds; and in which the trailers or

semitrailers carry no property and constitute

inventory property of a manufacturer, distributor

or dealer of such trailers or semitrailers;

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

Executive Director of the Department of Transportation, 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 paragraphs 1, 3, and 4 of this
ght hours, and during nighttime hours only in an emergency,

subject to traffic and road restrictions promulgated by the

Executive Director of the Department of Transportation, 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 paragraphs 1, 3, and 4 of this

subsection, 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. The equipment shall not protrude for a

distance greater than two-thirds (2/3) of the wheel base of the

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

Executive Director of the Department of Transportation;

7. For the purposes of paragraphs 1, 3, and 4 of this

subsection, 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 paragraphs 1 and 3 of this subsection

shall not apply to any contractor or subcontractor, or agents or

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employees of any contractor or subcontractor, 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; and

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 this state by special permit issued by the

Executive Director of the Department of Transportation or an

authorized representative of the Executive Director of the

Department of Transportation. 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 (1)

calendar year period upon payment of a fee of Ten

Dollars ($10.00) plus any amount as provided by

subsection H of Section 14-118 of this title.