Dimensions: Width: 8' 6" (8' local roads) Height: 13' 6"' Motor Truck: 45' Trailers: 53' Truck-trailer Combination: 65' Legal Overhang:, Rear5'
Weights: Single Axle: 20,000 lb. Tandem axle: 34,000 lb. Tridem: 48,000 lb. Max Gross Weight: 80,000
Kentucky Permit Department Contact Information
8:00 AM - 4:30 PM Eastern
On Interstate and Other Kentucky highways:
The manufacturers rating of the following, whichever is less:
All Other State Highways
Maximum Permissible Axle Weights
Units of five (5), six (6) and seven (7) axle configurations weights:
Any carrier with a vehicle that is over 59,999 lbs. traveling in Kentucky is subject to the KYU tax. In lieu of the KYU tax we offer a 10 day vehicle specific KYU permit that costs $40.00.
IFTA Carriers with vehicles over 26,001 lbs. or with 3 or more axles are subject to IFTA. Kentucky offers a temporary IFTA for 10 days, is vehicle specific, good for Kentucky only, and costs $40.00.
Carriers that are classified as intrastate Kentucky based carriers with vehicles over 26, 001 lbs. or with 3 or more axles are subject to the KIT fuel tax. Kentucky offers a 10 day vehicle specific temporary that costs $40.00.
Carriers that are not apportioned through the International Registration Plan (IRP) from their base state are required to purchase a temporary non-reciprocal permit (IRP). There are two permits based on registered weight. If the registered weight is <= 55,000 lbs. the charge is $25.00. If the registered weight is > 55,000 lbs. the charge is $40.00.
as long as the registered weight and the operation classification
Kentucky Overszie and Overweight Fines
Any person who violates the weight provisions of KRS 189.212, 189.221, 189.222, 189.226, 189.230, or 189.270 shall be fined two cents ($0.02) per pound for each pound of excess load when the excess is five thousand (5,000) pounds or less. When the excess exceeds five thousand (5,000) pounds the fine shall be two cents ($0.02) per pound for each pound of excess load, but the fine levied shall not be less than one hundred dollars ($100) and shall not be more than five hundred dollars ($500). Any person who violates KRS 189.950 shall be fined not less than one hundred dollars ($100) nor more than one thousand dollars ($1,000) or be imprisoned in the county jail for not more than thirty (30) days, or both.
Up to 5,000 lb 0.02 per pound
5,000 lb and above 0.02 cents per pound ($100 to $500)
"Oversized Load" Banner
An "OVERSIZE LOAD" warning sign is required on the front and back of all oversize loads. Size: 6' to 8' wide Letters 18" high, 1.4" brushstroke with Background: yellow background. A warning sign shall be displayed at the: 1. Front of the power unit; 2. Rear of the towed unit; or 3. Rear of the load.
All flags shall be 18" square clean bright red flags on all four corners of the extremities and at the extreme ends of all protrusions, projections, or overhangs.
A front overhang of 10' or more requires an amber strobe or flashing light.
Travel is permitted 24/7 in Kentucky unless specified otherwise on the permit. There are NO holiday travel restrictions. Travel is restricted between 7:00 am to 9:00 am and 4:00 pm to 6:00 pm Monday through Friday in Boone, Campbell, Fayette, Jefferson, and Kenton Counties.
this DOES NOT APPLY for mobile homes. Mobile homes are allowed daylight
hours only Monday through Saturday with no travel permitted on Sunday.
Regrooved or Recut Tires
No person shall knowingly operate on any highway any vehicle on which any tire has been regrooved or recut unless the regrooved or recut vehicle tires are designed and constructed so that regrooving and recutting is an acceptable and safe practice.
Maximum weight on iron and solid tires.
No person shall operate on a highway a vehicle that has greater weight on any tire per inch of width of the tire which is in contact with the surface of the highway, than four hundred (400) pounds, for iron or steel tires, or six hundred (600) pounds, for solid rubber or rubber compounded tires.
Chains and lugs on wheels -- Thickness of solid rubber tires.
No person shall use on a highway not covered with ice, a vehicle with a chained wheel, unless the wheel rests upon an ice shoe at least six (6) inches wide.
Where chains are used on rubber-tired vehicles, the
cross chains shall be not more than three-fourths (3/4) of an inch in
thickness or diameter, and shall be spaced not more than ten (10) inches
apart, around the circumference of the tires.
No tractor, traction engine, hauling engine or other similar power vehicle having any projections on the face of the tires or rims of the wheels in contact with the pavement shall be operated on any highway, the top surface of which is either composed of or treated with bituminous materials or concrete except that the driving wheels may be fitted with flat lugs extending diagonally across the entire width of the tire or rim. Those lugs shall be not less than one (1) inch in width at the bearing surface in contact with the pavement, but those lugs shall be so spaced that not less than two (2) lugs on each driving wheel shall be in contact with the highway surface at all times.
The front or
nondriving wheels may be fitted with flat steering rings, if those rings
are at least two (2) inches in width and not more than one and one-half
(1-1/2) inches in height, but there shall be no bolt head, rivet heads
or other projections beyond the face of the tire or rim.
gross weight of a motor vehicle operating under this kind of annual
overweight permit must not exceed 120,000 lbs., and its movement must be
limited to a specific route that is specified on the permit.
Time, it takes to receive: 10-14 days
Mailing method: Online/emailed
To help prevent future work zone crashes, the Transportation Cabinet asks drivers to practice three work zone safety tips:
1. Pay Attention – Don't text, eat or perform any other activity while driving.
2. Respect Flaggers – Obey their guidance and watch their direction carefully.
3. Slow Down – Maintain a safe following distance; rear-end collisions are the
most common work zone crash.
A person shall not operate on any highway, except those highways designated by the secretary of transportation under the provisions of KRS 189.222, or those locally maintained highways under the provisions of KRS 189.222(11) or KRS 189.230(4), any of the following trucks, trailers, manufactured homes, or vehicles:
Any motor truck, semitrailer, trailer, manufactured home, or vehicle which exceeds 11-1/2 feet in height or96 inches in width, including any part of the body or load;
A manufactured home that has a combined length of the manufactured home and towing vehicle greater than 120 feet shall not be towed upon a Kentucky highway.
A manufactured home shall not exceed 90 feet in length.
Single Trip Permit
A single-trip permit shall cost 60 for each overweight or over-dimensional permit requested.
The department may, at the request of an applicant, issue an annual permit regardless of the type of vehicle or equipment being transported that exceeds the weight or dimension limits established by this chapter if the load being transported is a non-divisible load.
The vehicle shall not exceed 16 feet in width exclusive of usual and ordinary overhang, 120 feet in length including a towing vehicle and trailer combination, 13 feet 6 inches in height, or 160,000 pounds.
An annual permit for loads less than 14 feet in width shall be $250. An annual permit for loads exceeding 14 feet in width shall cost $500.