Kentucky vs Ohio Oversize Load Rules

What changes for an oversize load between Kentucky and Ohio: legal height, pilot car triggers, height poles and travel hours.

I-75, reviewed October 2026

What changes at the Kentucky and Ohio border

Legal height
Both states use the same legal height, 13 ft 6 in.
First pilot car
Kentucky requires a pilot car from 12 ft 0 in wide; Ohio waits until 13 ft 0 in. A load between those widths needs an escort in Kentucky only.
Second pilot car
Kentucky adds a second escort at 14 ft 0 in wide; Ohio at 14 ft 6 in.
Height pole
Ohio requires a height-pole escort from 14 ft 6 in; Kentucky from 14 ft 11 in.

Check one load against both states

Kentucky

  • Oversize permit required
  • No width escort

Ohio

  • Oversize permit required
  • No width escort

11 ft 0 in wide, 14 ft 0 in tall. Length is not checked here.

Side by side

Kentucky and Ohio oversize load rules compared
RuleKentuckyOhio
Legal width8 ft 6 in8 ft 6 in
Legal height13 ft 6 in13 ft 6 in
Legal lengthMax 53 ft trailer on interstates, parkways and designated highways; 65 ft overall (truck, trailer and load) on non-designated highways. Car haulers 14 ft height.Semitrailer in a tractor-semitrailer combination 53 ft (ORC 5577.05); combination length limits not captured here.
Gross weight80,000 lbs80,000 lbs
First pilot car at12 ft 0 in13 ft 0 in
Second pilot car at14 ft 0 in14 ft 6 in
Height pole at14 ft 11 in14 ft 6 in
Length escort at110 ft 0 in90 ft 0 in
Travel hoursOW/OD moves (except mobile homes) may travel 24 hours a day unless otherwise noted on the permit. Mobile homes: Monday-Saturday daylight hours only. No travel in Boone, Kenton, Campbell, Fayette and Jefferson counties or at the Owensboro KY 2155 bridge Mon-Fri 7-9 am and 4-6 pm.Daylight only, one-half hour before sunrise to one-half hour after sunset. Loads over 12 ft wide are barred 6:30-9:00 am and 4:30-6:00 pm Monday to Friday in 22 listed counties (including Franklin, Cuyahoga, Hamilton, Summit, Montgomery, Lucas).
Weekends7 days a week allowed for OW/OD loads unless noted on the permit; mobile homes may not move on Sunday.Loads over 12 ft wide: no movement Saturday 3 pm to one-half hour before sunrise Sunday, Sunday 3 pm to one-half hour before sunrise Monday, and Friday 3 pm to one-half hour before sunrise Saturday (April 1 to November 30). Narrower loads may move Sunday through Saturday in daylight.
Trip permitFee not confirmed$15.00
Permit officeKentucky Transportation Cabinet (KYTC) Division of Motor Carriers - Overweight/Over-Dimensional Permits614-351-2300 (ODOT Special Hauling Permits Office)

Go deeper

Kentucky and Ohio FAQs

Do Kentucky and Ohio require pilot cars at the same width?
Kentucky requires a pilot car from 12 ft 0 in wide; Ohio waits until 13 ft 0 in. A load between those widths needs an escort in Kentucky only.
Is the legal truck height the same in Kentucky and Ohio?
Both states use the same legal height, 13 ft 6 in.
Do I need a separate permit for each state between Kentucky and Ohio?
Yes. Oversize and overweight permits are issued by each state, so a move through both needs a permit from Kentucky Transportation Cabinet (KYTC) Division of Motor Carriers - Overweight/Over-Dimensional Permits and one from ODOT Special Hauling Permits Office, each with its own route, hours and escort conditions.
Which travel hours apply in Kentucky and Ohio?
Kentucky: OW/OD moves (except mobile homes) may travel 24 hours a day unless otherwise noted on the permit. Mobile homes: Monday-Saturday daylight hours only. No travel in Boone, Kenton, Campbell, Fayette and Jefferson counties or at the Owensboro KY 2155 bridge Mon-Fri 7-9 am and 4-6 pm. Ohio: Daylight only, one-half hour before sunrise to one-half hour after sunset. Loads over 12 ft wide are barred 6:30-9:00 am and 4:30-6:00 pm Monday to Friday in 22 listed counties (including Franklin, Cuyahoga, Hamilton, Summit, Montgomery, Lucas). The conditions printed on the permit control.

Compiled from each state's published permit rules, reviewed October 2026. Not legal advice; the conditions printed on your permit control.