Kentucky Class B to A Upgrade Theory
A focused guide for Kentucky Class B CDL holders upgrading to Class A: exactly what is new, which knowledge and skills tests you will take, and the combination vehicle material to study for them.
Kentucky Class B to A Upgrade Theory Overview
Theory review for Class B CDL holders upgrading to Class A, covering combination vehicle operation, coupling, and HOS.
Class B to A Upgrade Theory for Kentucky CDL Applicants
Kentucky is home to major automotive plants and the UPS Worldport air freight hub, creating strong CDL demand. With automotive assembly, bourbon and beverage logistics, coal and mining driving much of the freight in Kentucky, the Class B to A Upgrade Theory material below is the part of the Kentucky CDL that those employers screen for first.
Upgrading from Class B to Class A in Kentucky means passing the Combination Vehicles knowledge test at Kentucky Transportation Cabinet (and Air Brakes if not already held), then a skills test in a Class A combination. This is the theory part.
Where Kentucky drivers use this
- Bourbon and beverage logistics: regional and over-the-road tractor-trailer distribution runs
- Coal and mining: lowboys and heavy-haul combinations moving mining equipment
- Required for any Class A CDL issued in Kentucky
- Automotive assembly: just-in-time parts hauling between assembly plants and suppliers
- Bourbon and beverage logistics: regional and over-the-road distribution runs for grocery, retail, and e-commerce freight
Most Kentucky CDL work runs the I-64, I-65, I-75 corridors and the Frankfort area, so the examples in the practice questions lean on the vehicles and loads you will see there.
Testing, appointments, and fees are handled by Kentucky Transportation Cabinet. See the Kentucky CDL classes and Kentucky endorsements pages for the full licensing picture.
Common Kentucky questions
- Is this Class B to A Upgrade Theory material specific to Kentucky?
- Yes. The knowledge test content is federal (49 CFR 383), so the questions apply in Kentucky, and this page adds Kentucky details: where you test (Kentucky Transportation Cabinet), which Kentucky industries use this license, and the Kentucky corridors the examples are drawn from.
- Where do I take the Class B to A Upgrade Theory knowledge test in Kentucky?
- Knowledge tests are given by Kentucky Transportation Cabinet. Bring your Kentucky driver license, proof of residency, and your medical certificate; most Kentucky offices require an appointment for CDL testing.
- How long do I have to study the Kentucky Class B to A Upgrade Theory material?
- Access lasts 120 days from purchase, and you can take 180 or 365 days instead at checkout. That is enough to study, take the practice tests, and pass at Kentucky Transportation Cabinet with time to spare. Retakes in Kentucky are allowed after a short wait, so a second attempt is covered too.
Who should get the Kentucky Class B to A Upgrade Theory
Current Class B CDL holders upgrading to Class A.
Topics Covered for Kentucky Class B to A Upgrade Theory
Moving from Class B to Class A means operating vehicles with very different handling: longer wheelbase, trailer swing, and off-tracking on turns. This module explains the physics behind combination vehicle behavior as tested on the Combination Vehicles knowledge exam.
Proper coupling procedure is a primary topic on the Combination Vehicles written test and a required demonstration during the Class A skills test. You will learn the sequence that must be followed correctly to pass both the written and practical portions.
Connecting and managing the service and emergency air lines between tractor and trailer is a skill Class B drivers do not typically practice. The exam tests both the correct connection procedure and what happens when those connections fail at speed.
Class A drivers commonly operate in interstate commerce, where federal Hours of Service rules govern maximum drive time, required rest periods, and logging requirements. This section covers the limits, exceptions, and logging concepts that appear on the CDL knowledge exam.
Kentucky Class B to A Upgrade Theory
$16.95
The theory course is not available to buy yet.
120, 180, 365 days of access · No subscription
No subscription, no auto-renewal: 120 days of access included, or extend to 180 or 365 days at checkout.
Failing your Kentucky CDL exam costs more than preparing.
Kentucky Class B to A Upgrade Included in these study material sets
Get Class B to A Upgrade plus more, for less than buying separately.