TX CDL General Knowledge Exam Simulator 2025

Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
Based on 2025 TX commercial driver's license manual
Triple-checked for accuracy
Updated for March 2025

The Texas DMV is not a place you want to visit on multiple occasions if you can help it. What you really want is to get in and out with your Texas Commercial Driver’s License. However if you do not pass the required General Knowledge exam, you’ll have to come back another day, and another, and another until you get a passing grade of at least 40 correct out of the 50 multiple-choice questions. You only have an hour and while that doesn’t sound so bad, the questions are not on concepts you likely have in your back pocket (unless you’ve already studied up on things like escape ramps and how long it takes a trailer to cross railroad tracks). What you’ll want to do is get ahold of an official Texas Commercial Driver’s Manual and then experience as many of our CDL General Knowledge practice tests as it takes until you are confident you have the answers you need. Our practice exams will show you exactly how the facts in the manual are positioned in the question format. If you are acing these exams you will pass the test easily. Then, you also need to make sure you have documentation in order. First you’ll want to take care of a Medical Examiner’s certification. Also known as a DOT card, this proves that you are physically qualified to drive a commercial vehicle in the state of Texas. Then you’ll want to present that at the DMV along with your current valid driver’s license and proof of citizenship or permanent legal status. With all this together and the knowledge you’ve built up from practice tests you should have everything you need to get in and out of the DMV in one blissful trip. Start studying our Exam Simulator today!

5 min to complete

Available in EN and ES

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What to expect on the actual TX DMV exam

questions

correct answers to pass

80%

passing score

Helpful links

TX DMV website

Official Texas CDL manual (2025)

More TX DMV Written Exam Resources

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Our commitment to accuracy and quality in our practice tests

Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.

Written by Andrei Zakhareuski Updated over a week ago

At Driving-Tests.org, we understand the importance of reliable and accurate practice tests to help you prepare for your DMV exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.

Here's an inside look at how we maintain the highest quality in our practice tests.

Content Creation and Verification Process

Alignment with Official Manuals:
Every question we develop is based on the most recent version of each state's official driving manual. Our team regularly monitors each state DMV's website for the latest updates to ensure our practice tests are always aligned with the most current information.
Community Feedback Integration:
We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation.
Expert Content Creation:
Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy.
Rigorous Review Process:
Once Steven has finalized a set of questions, our team conducts a joint review session. This second level of scrutiny involves content accuracy, proofreading, and fact-checking to eliminate any errors.
User Feedback Mechanism:
After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly.
Responsive Updates:
In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the DMV manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the DMV publishes them.

Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your DMV exam.

TX CDL General Knowledge Exam Simulator

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