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View All PlansThe Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.
- Updated for April 2025
- Based on 2025 CT commercial driver's license manual
CT CDL General Knowledge Exam Simulator 2025
To become a commercial driver in Connecticut, you must obtain a Commercial Driver’s License (CDL). You must be at least 18 to drive within the state and 21 to drive commercial vehicles across the nation, carry hazardous materials, or transport passengers. The DMV requires all applicants to pay the necessary fees, provide proof of residency, pass a medical exam, and pass several knowledge tests. The general knowledge exam consists of 50 multiple-choice questions based on the official Connecticut commercial driver license manual (Connecticut CDL Handbook 2025). Additionally, you may have to pass separate knowledge tests for certain endorsements and an air brakes test if you plan to drive vehicles equipped with air brakes. Before taking the skills test, aspiring commercial drivers must also complete Entry-Level Driver Training (ELDT).
The DMV conducts background checks to ensure that CDL applicants have a safe driving history with no criminal record. Individuals with certain violations may be unable to obtain a CDL. We’ll help you pass the official CDL general knowledge exam by providing you access to an intuitive tool designed to boost your learning potential. Our Connecticut CDL general knowledge exam simulator consists of 50 questions and has been recently updated for April 2025. Each question has multiple answer choices, but only one is correct. You should avoid rushing because scoring in this simulator is just like the official exam. If you make too many mistakes, you fail the test immediately. However, you can always begin a new session since you have unlimited attempts to practice as often as you wish.
There are no shortcuts to your learning phase, and you cannot become an expert overnight. Becoming a professional commercial driver in Connecticut takes time and effort, but we’ll make it easier for you to obtain a CDL and begin your dream career. Start today and train with our Connecticut CDL general knowledge exam simulator for several weeks. On exam day, you’ll already be familiar with the content and format of the official exam.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
About this test

What to expect on the actual CT DMV exam
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Experience the Driving-Tests differenceOur 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.

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.
The Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.
Before you see your results, discover how CDL Premium helps you:
- Real CDL Exam-Like Connecticut QuestionsQuestions match official CDL tests
- Official FMCSA-approvedELDT Certification included
- 99.06% Verified Pass Rate vs. 49% AverageProven success, specialized for CDL drivers




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