Kentucky OSOW permits

Updated: Sep 2


Permits valid for ten calendar days. Must have a permit prior to entering the state.


Kentucky permitting system: https://kyowod.kytc.ky.gov/kyowod/login.asp

Contact phone number: 1-502-564-1257


OPERATING TIME:

Kentucky now allows continuous running, 24/7 including Saturday and Sunday, except for restrictions below and superloads.


RESTRICTED TRAVEL:

No overweight/over-dimensional loads allowed to travel in Boone, Kenton or Campbell Counties (greater Cincinnati area, Jefferson County (greater Louisville), Fayette County (greater Lexington) or at Owensboro KY 2155 Bridge (between KY and IN) from 7:00 a.m. - 9:00 a.m. or 4:00 a.m. - 6:00 p.m. Monday through Friday.


LEGAL DIMENSIONS:

Width: 8'6" Interstate and designated roads, 8' on non-designated.

Height: 13'6"

Length: 53' trailer or load on Interstate and designated highways; 65' truck and trailer other highways

Overhang: 5' rear overhang on 48' trailer (53' semi-trailer and load)

Weight: 80,000 Gross Single – 20,000 Tandem – 34,000 Tridem – 48,000


ROUTINE PERMIT LIMITS:

Width: 16'

Height: 15'6" *See note below

Length: 110'

Weight: 5 Axles – 96,000 6 Axles – 120,000 (6 axles, 7 axles on 2-lane) 7 Axles – 134,000 - 140,000* (*On 4-lane, with a booster axle rather than a rear Tridem to get over about 134,000)

Single – 24,000 Tandem – 45,000/5 axles; 48,000/6 or more Tridem – 60,000 Quad – 80,000

(These dimensions and weights may vary depending on routes).

*Note: Loads over 15'6" high are not permitted to travel through Kentucky. Delivery of such a load into Kentucky may be allowed on a one-time basis if the carrier can find safe routes for it. However, they usually will not allow it.

The weight does not put you into superload status until around 300,000 pounds gross.


ESCORTS:

On 4 or more lane divided highways:

Width: Over 12' – 1 escort; over 14' – 2 escorts; over 16' – 3 escorts..

Length: Over 110' – 1 escort; over 120' – 3 escorts.

Overhang: Over 10' – 1 escort (some highways may need 2)


On 2-lane highways:

Width: Over 10'6" to 12' – 1 escort; over 12' – 2 escorts.

Length: Over 75' to 85' – 1 escort; over 85' – 2 escorts; over 120' – 3 escorts.

Overhang: Over 10' – 1 escort (some highways may need 2)


MISCELLANEOUS:

Blades, buckets, etc. over 14' wide must be removed but can be hauled with the load. Smaller ones may be detached and hauled with the load, even if the load is overweight.


SIGNS, FLAGS & LIGHTS:

"Oversize Load" signs are required for all loads exceeding 10'6" wide. Flags are required on all four corners of any wide load and extremities. Over-length must be flagged, no sign requirements.

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