Kentucky oversize permit office

Kentucky Transportation Cabinet, Division of Motor Carriers - Overweight/Over-Dimensional (OW/OD) Permits. Call (502) 564-1257, Monday through Friday, 8 a.m. to 4 p.m. Eastern time.

From Kentucky's own pages, checked 2026-10-24. Fees and rules change: the state's page is the last word.

Apply online
Kentucky Overweight/Over-Dimensional PortalSource
How to get one
Apply online on the Kentucky Overweight/Over-Dimensional Portal; permits are not issued over the phone.
Single trip fee
A Single Trip permit cost $60. (4% service fee for credit card payments; $3 fee for ACH.)Source
Legal without a permit
Width 8-FT and 06-IN on interstates and designated highways; 8-FT on all other state-maintained highways · Height 13-FT and 06-IN (car haulers 14-FT and 00-IN) · Length 53-FT semitrailer in a single semitrailer combination on interstates and designated highways; 65-FT overall combination on all other state-maintained highways · Weight 80,000 pounds gross (Class AAA highways; Class AA 62,000 pounds, Class A 44,000 pounds)Source

When you can move

Daylight
No daylight-only rule: permitted loads may travel 24 hours a day, 7 days a week unless the permit says otherwise; mobile homes may move in daylight hours only.Source
At night
Night moves are allowed for all permitted loads except mobile homes, unless the permit says otherwise.
Weekends
No weekend limits, except mobile homes may not move on Sunday (Monday through Saturday only).
Rush-hour curfews
6 in Kentucky, such as Boone County: Mon-Fri 7-9 a.m. and 4-6 p.m. All of them