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  • 0  (10 mistakes allowed to pass)
Based on official Louisiana exam questions

Free Louisiana CDL Permit Practice Test: General Knowledge 2025

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

For commercial driving in the great state of Louisiana, major routes include Interstate 10, U.S. Route 90, and U.S. Route 61. Interstate 10 is America’s southernmost transcontinental freeway. It runs from Los Angeles, California to Jacksonville, Florida, passing through Baton Rouge and New Orleans. Unfortunately, it is often heavily congested around Baton Rouge. U.S. Route 90 starts at Van Horn, Texas, runs near I-10, connects Lafayette to New Orleans, and terminates at Jacksonville, Florida. It serves as an alternative to the heavily congested I-10, especially for trucks carrying cargo to the oilfields or refineries along the Gulf Coast. U.S. Route 61 starts at the city of Wyoming, Minnesota and runs southward to Baton Rouge and New Orleans, generally following the course of the Mississippi River.

Before you can legally drive on these or any other roads as a commercial driver, however, you’ll need to obtain a Commercial Driver’s License (CDL). That’s likely why you’re here. You know that you must obtain a Commercial Learner’s Permit (CLP) to practice commercial driving before you can obtain a CDL. And you know that a necessary step to obtaining a CLP is to pass the official knowledge test on commercial driving theory. But you’re concerned that you may not pass that knowledge test just by reading the official Louisiana Commercial Driver License Manual (Louisiana CDL Handbook 2025). Don’t worry. We have some other tools for you that will help you ace that knowledge test!

This free Louisiana CDL permit practice test is based on the official state manual, just like the official knowledge test. It’s up to date as of November, 2025. And it’s formatted like the official test, too. There are 50 multiple-choice questions on such topics as emergency preparedness, pre-trip inspections, and safe driving techniques. Unlike the official knowledge test, however, our automated assistant can help you by providing you a hint for each question and an explanation of the correct answer. Read the explanation carefully if you missed the question so you won’t make the same mistake again. What this practice test doesn’t have is a time limit. Take your time, not only to improve your chances of passing the test but also to learn as much as you can from the experience. For example, if you miss a question, you may want to pause and look up the information in the CDL manual before proceeding further with the test.

Available in EN and ES
LA commercial driver's license
Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives

Authored and curated by Steven Litvintchouk, M.S.

Chief Educational Researcher (ACES member)
Methodology & Editorial Policy
Last verified for accuracy: November 2025 (reviewed weekly)

What to expect on the actual LA permit test

50

questions

40

correct answers to pass

80%

passing score

Real Louisiana drivers who passed first try

Verified student reviews • Shared with permission

Application is very, very well thought out, and the user.
The application is very, very well thought out, and the user interface is really good to where you can navigate easily. You know, you can go from next step to next step. The questions were great. There's a lot that I did know, and there's a whole bunch more that I did not know. So that just really prepared me for, you know, walking into the DMV, scheduling an appointment, and passing it the first time.
T
Passed so easily.
I passed so easily, thanks to this course. I was well prepared and now I have my X endorsement. They have every test question that I encountered on the Louisiana tests.
T
I love this website.
It helped me pass my Washington state CDL exam-airbreaks, doubles and triples and tankers. I’m using it now to study for my hazmat. My daughter uses it to study for her regular drivers license for Louisiana. I would recommend it to anyone needing practice test for all DMV needs!
EL
Go slow take your time and read the questions.
I didn’t know what to think being a first time CDL. only driving a pickup truck all my life. I listened to the book and thought I’m never going to pass. but when I started taking the practice test it all started to fall into place. after completing all tests I made a appointment at the DMV ( that’s the hardest part is to make sure you have all documentation or they will not let you take the test) I sat down and did not miss a question. ( take the practice test until you can read the question and know the answers before your done reading the question)
J
I love the way you teach!
I learned quickly, had great helps and explanations, and received lots of encouragement to keep going. A great way to learn all this CDL information! Plus you provided the specific state manual I needed. So glad I purchased the 2 week plan, as I contracted the flu 2 days after starting, and had to dive back into it days later. But it still gave me time enough to learn and succeed!
SC
Driving-tests.org has a great program….
Driving-tests.org has a great program for studying to get your CDL Class B learners permit. I studied for about two-three weeks. I took the practice tests over and over again until I was able to get 100%. The practice tests questions were very similar to the actually test questions. I went down to the BMV and took the four tests I needed to get my Class B School Bus Drivers learners permit. I passed all four tests in less than two hours! I could not have learned the material, as fast as I did, without driving-tests.org.
SD
Great Prep.
I wanted a good review for my upcoming tests to renew my CDL endorsements. We had a new driver taking the test for the first time and also had a family member that failed the driving test the first time, struggled to get much out of just reading the manual, and lacked the confidence to schedule another test. We had done other online free tests, but they were not very comprehensive. I was pleasantly surprised! All of us passed our tests with flying colors. The questions were very similar to the real test.
C
Skeptic turned Believer!
I failed the General Knowledge test the first time I took it using another companies study guide. Then I found Driving Tests.org and I passed the General Knowledge, Air breaks, Combination, Tank, Doubles and Triples, and Hazmat all on the first try, inside one month. It was
BS
Great practice test system.
I studied for 1.5 days. I than went to the dmv and passed my general knowledge and hazmat first try! I would suggest this for anybody. Completing the primary practice test and using the practice test 5 times was enough to get me the answers needed!
R
A must have for all CDL students! this site paid for itself.
I ate, breathed, and slept with this site for about 5-7 days. And passed all 5 major tests for Class A on the first try. A must have for all CDL students.
JW
This is the the best program on the internet hands down.
This program has helped me learn 10 times faster than just reading the material. I have a much better understanding of everything with the layout they use. I kept on testing in each category until I hit 100%. If you get an answer wrong they explain in detail the correct answer. Excellent program! I would recommend it to anyone that needs CDL testing.
SN
Quick and easy prep for the knowledge test at DMV.
Took the class the day before I took the knowledge test at the DMV. Got 100% on the test. Probably spent 3 hours on the "Theory" class and 3 hours on practice tests. Most of the questions at the DMV were on practice tests. The ones that weren't I just skipped because once you get 24 questions right you pass and don't have to answer the ones you skipped.
L
While preparing to take the CDL exam for Bus Driver.
While preparing to take the CDL exam, I was unaware how difficult it was going to be. The stress of trying to pass the test coupled with the very unhappy and difficult people at the DMV was all I could bare. After studying with this excellent tool, I feel much more confident about taking my exam again and Passing it at the end of the week. This program is easy to use, keeps track of the questions you missed and rewords the questions so that after lots of repetition you thoroughly understand the content.
L
Alot of Bang for Your Buck.
Upon reading more about is I was delighted to find pit that not only was it good for myself but could be shared with family member also. My wife has wanted to get her CDL eventually and now she can be prepared aswell. If that wasn't enough, come to find out that the program includes all training for car & motor cycle too. Customer support has been awesome and quick to respond via the messenger based option on the site. All the available learning aids are in depth and easy to navigate. I highly recommend this to anyone training for their respected license(s).
YA

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