Kentucky DOT Trucking Permits Explained

What Is a Trucking Permit in Kentucky? 

A Kentucky trucking permit is official authorization allowing a commercial vehicle or load to operate beyond standard legal limits, including:

•  Oversize (width, height, or length)

•  Overweight (gross or axle weight) 

• Specialized configurations (multi-axle, modular loads, construction equipment)

Permits are required before movement, and noncompliance can result in fines or enforcement actions.

When Do You Need a Kentucky Trucking Permit? 

You need a permit if your vehicle or load exceeds any of these typical limits:

• Width: Over 8′6″ 

• Height: Over 13′6″ 

• Length: Beyond legal truck/trailer limits 

• Weight: Over 80,000 lbs gross 

Even out-of-state carriers must comply when traveling on Kentucky highways.

Types of Kentucky Trucking Permits 

1. Single-Trip Permits 

• Valid for one specific trip

• Includes approved route, dates, and load details

• Ideal for occasional oversize or overweight hauls

2. Annual (Continuous) Permits 

• Valid for 12 months

• Allows repeated movements within set limits

• Common for construction fleets, agricultural, or industrial carriers

3. Superload Permits 

• Required for extremely large or heavy loads

• May include route surveys, escort vehicles, and travel restrictions

4. Overweight-Only Permits 

• For heavy loads within legal dimensions

How to Get a Trucking Permit in Kentucky 

Permits are issued by https://www.kentuckytruckingonline.com/. Required information includes:

•  Vehicle and trailer details

•  Exact load dimensions and weight

•  Proposed travel route

•  Date(s) of movement

Simple permits may be issued same-day, while complex oversize or superload permits may require additional approvals.

Escort & Route Requirements 

Depending on size and weight, KYTC may require:

•  Pilot/escort vehicles

•  Daylight-only travel

•  Holiday or weekend restrictions

•  Specific approved routes

Failure to follow permit conditions can lead to fines or shut-downs.

Penalties for Non-Compliance 

Operating without a permit can result in:

•  Citations and fines

•  Vehicle out-of-service orders

•  Liability for damage to roads, bridges, or public property

•  Delays at inspection points

Who Needs Kentucky Trucking Permits? 

• Oversize and overweight carriers 

• Construction and equipment haulers 

• Oilfield, energy, or industrial carriers 

• Out-of-state carriers traveling through Kentucky 

• Owner-operators with specialized or modular loads 

Quick Reference Table

Kentucky DOT Trucking Permits