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Oklahoma Oversize / Overweight Regulations

What is considered as "Oversized Load" in Oklahoma?

Dimensions: Width: 8' 6" Height: 13' 6" Semi Trailer Length: 53' (including rear overhang) Maximum Length: 75' (combinations)

What is considered as "Overweight Load" in Oklahoma?

Weights: Single Axle: 20,000 lb. Tandem axle: 34,000 lb. Tridem: 48,000 lb. Max Gross Weight: 80,000 lb.

Oklahoma Oversize / Overweight Permits

Oklahoma Permit Department Contact Information


Fax: 405-522-0134

7:00 AM - 4:30 PM Central

Oklahoma Pilot Cars / Escorts

When are Pilot (Escort) Vehicles Required

When Pilot/Escort Vehicle is Required 2-lane highways:
Width over 12' up to 14'-1 front
Width over 14' 2 (front & rear)
Over 80' long-1 front
Over 100' long-2 (front & rear)
Height 15'9” or over-2 (front & rear)
Multi-lane highways:
Width over 12' up to 16'-1 rear
Width over 16' (on all highways and roads)-2 (front & rear)
Height 15'9” or over-2 (front & rear)
Height 15'9” or over must contact all public utilities and railroads along the route in advance of the move.
Mobile homes & boats on 2-lane highways & roads:
Over 80' long- 1 pilot
Width over 12' but not over 14'-1 front
Width over 14' but not over 16'-2 (front & rear).
On multi-lane highways:
Width over 14' but not over 16'-1 rear

Oklahoma Axle Regulations

Maximum Legal Weights

Single Axle           20,000 lb.
Tandem Axle       34,000 lb.
GVW                     80,000 lb.

Maximum Permit Weight Allowed

Steer Axle - 600 lb. per nominal inch of tire tread width (size of tire) x the number of tires - not to exceed 15,000 lb.

Single Axle - 20,000 lb..

Tandem Axle - 40,000 lb.

Tridem Axle - 60,000 lb.

Oklahoma Trip and Fuel (IRP / IFTA) Permits

The 72-hour Commercial Vehicle Registration Trip Permit allows an unregistered commercial motor vehicle or a commercial trailer to be legally registered in Oklahoma on a short-term basis. A 72-hour Commercial Vehicle Registration Trip Permit may be made effective up to 72 hours from the time of purchase. The fee is $12.00. No refunds are allowed.

A 72-hour Commercial Vehicle Registration Trip must be obtained by:

  • operators of commercial motor vehicles eligible for apportioned registration, not currently registered for Oklahoma, that will be traveling in or through Oklahoma and/or
  • operators of unregistered commercial trailers that will be traveling in or through Oklahoma.

The 72-hour Commercial Vehicle Registration Trip Permit is valid for either interstate or intrastate registration in Oklahoma.

A 72-hour Commercial Vehicle Registration Trip Permit may be obtaining by using the on-line application form or from either of the following:

Comdata (800-749-6058)

J.J. Keller (800-231-5266)

Oklahoma Overweight / Oversize Fines

Any person that knowing or willfully violates the weight limitations imposed by law or permit is guilty of a misdemeanor. Upon conviction in a criminal court, such a misdemeanor is punishable by a fine of up to $1,000. In addition, any person committing such a violation is in contempt of the Corporation Commission and is subject to a fine of up to $500.

Violation of terms of special permit by exceeding authorized permit weight, $100 plus the following schedule:

WEIGHT              FINE

0 – 2,000 lb.           $208.90

2,001 – 3,000 lb.    $258.90

3,001 – 4,000 lb.    $308.90

4,001 – 5,000 lb.    $358.90

5,001 – 6,000 lb.    $408.90

6,001 – 7,000 lb.    $458.90

7,001 – 8,000 lb.    $508.90

8,001 – 9,000 lb.    $558.90

9,001 – 10,000 lb. $608.90

Over 10,001 lb.      $628.90

Running Hours and Holiday Restrictions

Warning Lights: Color and Placement

There is no mention of lighting required for the vehicle/load.

"Oversized Load" Banner Regulations and Requirements

All oversized loads require warning signs, either "Oversize Load" or "Wide Load," on the front and rear of the vehicle/load. Size: At least 5' LONG, 14" HIGH Letters: Black, 8" high, 1 1/8" brush stroke Background: "Highway Yellow"

Flag Requirements

All overdimensional vehicles and loads shall have minimum 18" square red or bright orange flags displayed the 4 corners as well as and any protrusions or extensions of the vehicle load including any rear overhang extending more that 4'.

Flags, Lights and Banners

Running Hours

Oversized loads are permitted to move only between 1/2 hour before sunrise until 1/2 hour after sunset. Oversized loads shall not be moved at any time on the following holidays: New Year's Day, Memorial Day, the Fourth of July, Labor Day, Thanksgiving Day, and Christmas Day

Oklahoma Tire Regulations

A person shall not operate or move on any hard-surfaced highway any vehicle having any metal tire in contact with the roadway, except when authorized by special permit:

Any tire on a vehicle moved on a highway shall not have on its periphery any block, stud, flange, cleat or spike or any other protuberance of any material other than rubber which projects beyond the tread of the traction surface of the tire, except that it shall be permissible:

1.      To use tire chains of reasonable proportions upon any vehicle when required for safety because of snow, ice, or other conditions tending to cause a vehicle to skid, or

2.      For pneumatic tires equipped with or having on their periphery studs of metal, porcelain or other material to be sold or used in this state, if constructed to provide resiliency upon contact with the road surface, so that not more than three percent (3%) in the aggregate of the traction surface of such tire be composed of such studs and so that such studs do not project more than three thirty-seconds (3/32) of an inch beyond the tread of the traction surface of such tire and have a rate of wear which will so limit such projection.

A person shall not operate any vehicle when:

The ply or cord is exposed in the tread area

When it has been regrooved or recut below the original groove depth, except tires that have been designed with under-rubber sufficient for regrooving and are so marked.

Oklahoma Annual Permits

The department of public safety may issue annual permits for overweight non-divisible loads. Under such permits, the GVW shall not exceed 120,000 lbs. The permits may be issued as transferable among vehicles or non-transferable


  • Length: No set maximum
  • Width: 16′
  • Height: Depends on routes

Cost: Special Purpose Annual Oversize $ 10.00 / Overweight $ 60.00

Time, it takes to receive: 1 business day

Mailing method: online

Oklahoma Road Conditions

Work Zone's Safety is everybody's responsibility, we're all in this together


Each year in the spring, National Work Zone Awareness Week (NWZAW) is held to bring national attention to motorist and worker safety and mobility issues in work zones.


The way you drive in work zones has a direct effect on your own safety as well as the safety of the workers.


Therefore, it is of utmost essence that you slow down, pay attention to the signs, pay attention to the flagger "see the cone, respect the zone."

Oklahoma Manufactured Houses and Mobile homes

Manufactured homes permits and escorts range from 8'6 to over 16' in width. For specific examples on width, length, and travel restrictions please click on the link in this section.

Oversize / Overweight Regulations By State