Kansas oversize permits:

Kansas oversize permits are normally obtained before entering the state and are valid for seven days. Permits can also be acquired at Ports of Entry, and you need proof of insurance in a vehicle if you buy a permit at a POE.

Legal Dimensions:

Legal Dimensions:


Trailer with 59 feet 6 inches.
85 feet of overall tractor-trailer combination provided the trailer is not over 59 feet 6 inches long.
Overhang: 59 feet 6 inches trailer and load provided overall length does not exceed 85 feet.

Width: 8 feet 6 inches

Height: 14 feet

Kansas overweight permits:

Gross on Interstate & Designated routes: 80,000Lbs

On other roads: 85,000 (must be registered for 85,500)

Single – 20,000lbs

Tandem – 34,000lbs

Tridem – 42,000lbs

Apply through online/permit service or in person at the following locations:

Kansas overweight permits
Kansas Department of Transportation

Kansas Department of Transportation

Dwight D. Eisenhower State Office Building
700 S.W. Harrison Street
Topeka, KS 66603-3745

Call Central Permits at (785) 296-3566 - Monday - Friday -
7:30 AM - 4:45 PM to obtain a permit.

For more information see: https://kdotapp.ksdot.org/WelcomeContact/contact.aspx.