Kentucky Oversize & Overweight Permits

Permits Canada obtains oversize and overweight permits for Kentucky for trucks and loads over the legal width, height, length or weight.

Kentucky legal dimensions and weight

A truck and load within these limits needs no oversize or overweight permit in Kentucky.

Width8 ft 6 in on Interstates, parkways and designated highways (8 ft elsewhere)
Height13 ft 6 in
Length53 ft trailer on Interstates, parkways and designated highways (65 ft overall elsewhere)
Gross weight80,000 lb (AAA highways)

Kentucky oversize permit rules

Permits offeredSingle trip (10 days), annual
Escorts4-lane: 1 rear over 12' wide or 110' long; front and rear over 14' wide; 2 front and 2 rear over 16' wide. 2-lane: 1 front over 75' long; front and rear over 85' long or 12' wide; 2 front and 2 rear over 16' wide. Over 14'11" high: front escort with height pole
Travel times24 hours a day, 7 days a week unless the permit says otherwise; no holiday restrictions unless noted on the permit; no travel Mon-Fri 7-9 am and 4-6 pm in Boone, Kenton, Campbell, Fayette and Jefferson counties; mobile homes daylight only, Mon-Sat

The permit holder must measure vertical and lateral clearances along the route, since the permit does not guarantee safe passage.

Getting your permit with Permits Canada

  1. Send us the online oversize / overweight application with your truck, trailer, load dimensions and route.
  2. A permit agent applies for your Kentucky permit and checks the route conditions.
  3. Your permit arrives by email with its travel conditions. Oversize and overweight permits can take longer, since the authorities review each application.

Our fee is $40 to $50 CAD per permit, plus the Kentucky state fee, which depends on the dimensions, weight and route.

Also need temporary registration or fuel tax coverage? See Kentucky trip & fuel permits.

Kentucky oversize permit questions

When is an oversize permit required in Kentucky?

When the truck or load exceeds the Kentucky legal limits: width 8 ft 6 in on Interstates, parkways and designated highways (8 ft elsewhere), height 13 ft 6 in, length 53 ft trailer on Interstates, parkways and designated highways (65 ft overall elsewhere).

What is the legal gross weight in Kentucky?

The legal gross weight in Kentucky is 80,000 lb (AAA highways). A heavier truck needs an overweight permit.

When are pilot or escort vehicles required in Kentucky?

4-lane: 1 rear over 12' wide or 110' long; front and rear over 14' wide; 2 front and 2 rear over 16' wide. 2-lane: 1 front over 75' long; front and rear over 85' long or 12' wide; 2 front and 2 rear over 16' wide. Over 14'11" high: front escort with height pole.

Can oversize loads travel at night or on weekends in Kentucky?

24 hours a day, 7 days a week unless the permit says otherwise; no holiday restrictions unless noted on the permit; no travel Mon-Fri 7-9 am and 4-6 pm in Boone, Kenton, Campbell, Fayette and Jefferson counties; mobile homes daylight only, Mon-Sat.

How much does a Kentucky oversize permit cost?

Permits Canada charges $40 to $50 CAD per permit, plus the Kentucky state fee, which depends on the dimensions, weight and route.

Last reviewed October 2026. Rules change; your permit agent confirms them for each move. All provinces and states