Kentucky Oversize Permits

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Kentucky Oversize Permits & Escort Information

 

WE ARE NOT A PERMIT SERVICE NOR DO WE ARRANGE PERMITS FOR CARRIERS.  THIS IS STRICTLY JUST FOR INFORMATIONAL PURPOSES.  WE DO NOT ENSURE THE ACCURACY OF THE BELOW INFORMATION SO BE SURE TO READ YOUR PERMIT SHEETS CAREFULLY!

Kentucky Department of Transportation
Phone Number: (502) 564-1257

PERMITS: Kentucky oversize permits are issued for the duration needed and must be obtained before entering the state. Oversize loads can travel 24/7, except during peak hours in certain counties. Overweight permits are valid for 10 days. Permits can be combined when appropriate and are vehicle-specific.

OPERATING TIME: Sunrise to sunset seven days a week. Overweight only and not over 75′ overall length may have continuous travel. No movement during weekday rush hours in Boone, Kenton, and Campbell counties (7:00–9:00 AM and 4:00–6:00 PM).

RESTRICTED TRAVEL: No travel allowed on major holidays and some holiday weekends. Movement is restricted during rush hours in Boone, Kenton, and Campbell counties (7:00–9:00 AM and 4:00–6:00 PM, Monday–Friday). Additional restrictions may apply in construction zones and on certain parkways.

LEGAL DIMENSIONS

Length: 65′ overall for most combinations (53′ trailer max).

Overhang: Front – up to 3′; Rear – up to 5′ without permit.

Width: 8′-6″

Height: 13′ 6″‘

Weight: 

  • Single axle: 20,000 lbs
  • Tandem axle: 34,000 lbs
  • Tridem axle: 48,000 lbs (on certain configurations)
  • Gross weight: 80,000 lbs max (on Interstate and designated routes)

ROUTINE PERMIT LIMITS

Length: Up to 120′ overall

Overhang: No specific extra allowance beyond total length limit (but rear overhang beyond 10 feet may require lighting/flagging)

Width: Up to 16′

Height: Up to 15′-6″ 

Weight:

  • Single Axle: 24,000 lbs
  • Tandem Axle: 48,000 lbs
  • Tridem Axle: 60,000 lbs
  • Gross Vehicle Weight (GVW): Up to 160,000 lbs

ESCORTS

Length:

  • Over 75′: 1 rear escort
  • Over 85′: 1 front and 1 rear escort

Overhang: Rear overhang over 10′: 1 rear escort vehicle

Width:

  • Over 12′: 1 front escort (on 2-lane roads)
  • Over 14′: 1 front and 1 rear escort
  • Over 16′: Police escort may be required depending on route and load

Height: Over 15′-6″: Escort with a height pole is required (usually front position)

MISCELLANEOUS: In Kentucky, lift axles aren’t considered when issuing routine permits. Attachments like blades, buckets, or counterweights can be added to the load without issue. However, you can’t combine a load with different over-dimension issues on separate pieces, such as a load with an overwidth dozer and an overheight backhoe.

SIGNS, FLAGS & LIGHTS: “Oversize Load” signs are required for all loads moving under a permit. Red flags must be attached to each side of widest part of wide load, and to the rear of all overlength loads. If overhang is over legal limits, end of overhanging object must be flagged and “a lamp shall be placed at the end of the load to make the overhang more visible during periods of hazy daylight.” Overweight only loads need “Oversize Load” signs when running in daylight, but they must be taken off if running at night.

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