All your missed questions are saved
automatically for extra practice.
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
View All PlansAdding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
View All PlansThe Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.
- Updated for March 2025
- Based on 2025 CO commercial driver's license manual
CO CDL Pre-Trip Inspection Practice Test 2025
Your path to a commercial driving career begins with earning a Commercial Learner’s Permit (CLP), and a strong understanding of pre-trip vehicle inspections will serve you well. Road safety begins with a properly functioning vehicle to avoid disastrous accidents and mechanical breakdowns. Completing a checklist that includes crucial vehicle components and systems, such as brakes, steering gear, and coupling devices (if so equipped), is a great practice before getting on the road.
It gets bitterly cold in the Southern Rockies during winter, and an accident or vehicle breakdown there would only add to that misery. Taking the time to brush up on pre-trip inspections will help you avoid such a fate and prepare you to take the DMV Commercial Driver’s License (CDL) General Knowledge Test.
This Colorado DMV Pre-Trip Inspection Practice Test provides expert instruction to conduct a thorough pre-trip inspection. You need to spend an ample amount of time learning this process because it is one of several requirements to receive your CDL. In addition to answering questions about pre-trip inspections on your official knowledge test, you are required to perform an inspection for an examiner. The Pre-Trip Inspection Practice Test uses questions just like the ones on the official knowledge test to teach you the proper components and systems to be inspected and the criteria to determine their safe operating condition. You must answer 80% of the 20 questions correctly on the official knowledge test to receive a CLP. Some of these questions pertain to pre-trip inspections; developing a firm grasp of the entire process will increase your chance of passing.
If you carefully examine other on-line resources, you’ll find that the Pre-Trip Inspection Practice Test offers the most comprehensive instruction available. The practice test is based on the most recent Colorado DMV CDL manual (Colorado CDL Handbook 2025) and up to date as of March 2025. By taking the practice test, you will have access to the most authoritative and reliable information, which you won’t get from a study guide. A study guide limits your learning to memorizing the answers to the questions. Since you are simply committing these answers to memory, study guides do not provide thorough instruction. In comparison, the practice test contains 20 questions to assess your readiness and fill your knowledge gaps. If you submit an incorrect answer on the practice test, you will get a detailed explanation of the correct one. This approach teaches you the logic behind the answer and establishes a connection to the question. You will be equipped with the information and confidence necessary to perform well on the knowledge test and for use in your daily driving habits.
You may find navigating Vail Pass a bit challenging, but you’ll find it and other roads much easier to negotiate with practice tests for other U.S. states and Washington D.C. at https://driving-tests.org/academy/drivers-license.
- 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 CO DMV exam
questions
correct answers to pass
passing score
- Alabama: Test 1 / Test 2
- Alaska: Test 1 / Test 2
- Arizona: Test 1 / Test 2
- Arkansas: Test 1 / Test 2
- California: Test 1 / Test 2
- Colorado: Test 1 / Test 2
- Connecticut: Test 1 / Test 2
- Delaware: Test 1 / Test 2
- District of Columbia: Test 1 / Test 2
- Florida: Test 1 / Test 2
- Georgia: Test 1 / Test 2
- Hawaii: Test 1 / Test 2
- Idaho: Test 1 / Test 2
- Illinois: Test 1 / Test 2
- Indiana: Test 1 / Test 2
- Iowa: Test 1 / Test 2
- Kansas: Test 1 / Test 2
- Kentucky: Test 1 / Test 2
- Louisiana: Test 1 / Test 2
- Maine: Test 1 / Test 2
- Maryland: Test 1 / Test 2
- Massachusetts: Test 1 / Test 2
- Michigan: Test 1 / Test 2
- Minnesota: Test 1 / Test 2
- Mississippi: Test 1 / Test 2
- Missouri: Test 1 / Test 2
- Montana: Test 1 / Test 2
- Nebraska: Test 1 / Test 2
- Nevada: Test 1 / Test 2
- New Hampshire: Test 1 / Test 2
- New Jersey: Test 1 / Test 2
- New Mexico: Test 1 / Test 2
- New York: Test 1 / Test 2
- North Carolina: Test 1 / Test 2
- North Dakota: Test 1 / Test 2
- Ohio: Test 1 / Test 2
- Oklahoma: Test 1 / Test 2
- Oregon: Test 1 / Test 2
- Pennsylvania: Test 1 / Test 2
- Rhode Island: Test 1 / Test 2
- South Carolina: Test 1 / Test 2
- South Dakota: Test 1 / Test 2
- Tennessee: Test 1 / Test 2
- Texas: Test 1 / Test 2
- Utah: Test 1 / Test 2
- Vermont: Test 1 / Test 2
- Virginia: Test 1 / Test 2
- Washington: Test 1 / Test 2
- West Virginia: Test 1 / Test 2
- Wisconsin: Test 1 / Test 2
- Wyoming: Test 1 / Test 2
Your go-to, trusted source
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 view your test results, discover how you can pass faster with Premium:
- Real Exam-Like Colorado QuestionsGet all exam-like questions seen on the real test
- Money-Back GuaranteeIf you don't pass, it costs you nothing
- 99.06% Pass Rate vs. 49% AverageMost Premium users pass on their first try





Trusted by 1.15 Million drivers