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Kentucky CDL Practice Test

Free practice questions for the Kentucky commercial driver license written exams — general knowledge, air brakes, combination vehicles, and every endorsement.

Kentucky's driver licensing system is administered by the Kentucky Transportation Cabinet's Division of Driver Licensing. The state offers a comprehensive graduated licensing program designed to help new drivers develop safe habits behind the wheel. Kentucky permits teens as young as 15 to apply for learner's permits, making it one of the more accessible states for young drivers to begin the licensing process. The state operates Driver Licensing Regional Offices throughout all 120 counties, as well as a Popup Driver Licensing Program that brings services to underserved areas. Kentucky's knowledge tests are straightforward and cover essential traffic laws, road signs, and safe driving practices outlined in the official Kentucky Driver's Manual. Whether you're a teenager working toward your first license or an adult relocating to Kentucky, the state provides clear testing requirements and affordable fees to help you navigate the licensing process.

About this section of the Kentucky test

Kentucky's commercial driver license program requires passing a written knowledge test covering commercial motor vehicle operations, safety regulations, and federal compliance. CDL endorsements are available for various vehicle types including hazmat, tanker, passenger, and double/triple trailers. Applicants must first obtain a commercial learner's permit and hold it for at least 14 days before taking the skills test. All CDL applicants must pass a DOT medical examination and complete Entry-Level Driver Training (ELDT) before being eligible for the road test.

Start practicing

Open the Kentucky practice test — pick car, motorcycle, or CDL, then drill quick quizzes or full simulated exams.

Read the source manual

Browse the official Kentucky driver manual — every practice question deep-links to the page that explains the rule.

Frequently asked questions

How many questions are on the Kentucky permit test?
The Kentucky permit test has 40 multiple-choice questions covering rules of the road and road sign identification.
What's the passing score for the Kentucky written test?
You must score at least 80% on the Kentucky permit test, which means answering 32 out of 40 questions correctly.
How much does the Kentucky written knowledge test cost?
The Kentucky permit test fee is $12. Retake fees may apply if you need to take the test more than once.
How old do I have to be to take the Kentucky permit test?
You must be at least 15 years old to apply for and take the Kentucky learner's permit test, as of 2025.
Can I take the Kentucky DMV test in Spanish or other languages?
The available information indicates the Kentucky DMV test is offered in English. For accommodations or alternative languages, contact your local Driver Licensing Regional Office.
How many times can I retake the Kentucky written test?
You can attempt the Kentucky permit test up to three times within a 90-day period from your initial application. If you fail all three attempts or exceed the 90-day window, your application will close and you must reapply.
Is the Kentucky permit test online or in person?
The Kentucky permit test is administered in person at Driver Licensing Regional Offices throughout the state. You may be able to book an appointment online, though walk-ins are also accepted.
What documents do I need to bring to the Kentucky DMV?
You should bring a valid form of identification (such as a passport, state ID, or military ID) and proof of residency. Contact your local office for a complete list of acceptable documents.

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