Quick note: This test is timed! You have N MINUTES to complete the test! All unanswered questions will be marked as incorrect. Good luck and godspeed!

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The CDL general knowledge DMV test in Colorado is your first stop on the road to securing a Class B commercial drivers license. This is the largest written test you’ll need to tackle to get qualified, containing 50 multiple-choice and “true or false” questions which are designed to assess your knowledge on all the major CDL topic areas. It might be an intimidating exam for many students, but for you it can be a walk in the park – our CDL Class B practice test for Colorado can help you get through it!

Once you’ve got the general knowledge DMV permit test out of the way, you’ll need to take an extra endorsement exam if you want to become a Class B driver. The exam we’re talking about is for an Air Brake endorsement; it is a compulsory part of the examination process for both Class B and Class A learner drivers, as vehicles in these two classes are usually equipped with air brakes, so you’ll need to know how to operate them. You don’t necessarily have to stop at an Air Brake endorsement if you don’t want to, it depends on what you ultimately want to do with your license!

Class B includes most mid-sized commercial vehicles such as school buses and box-trucks. If you aspire to be a school bus driver, you would need to take the general knowledge Class B permit test, followed by the Air Brake and School Bus endorsement tests. You will not find questions on these two endorsement exams on this Colorado CDL general knowledge practice test, but we do have other free CDL practice tests that can help you with these endorsements when you reach that stage. Whatever career path you choose, you’ll have to take the 2018 DMV written test for Colorado first. As it happens, the DMV general knowledge test is identical for all three classes of commercial drivers license. So, this Class B practice test for Colorado also makes a suitable learning resource for both Class C and Class A drivers!

DMV Colorado permit test quizzes are the ideal way to speed up your learning and get you ready for the real exam. It is important to realize that you’ll still need to study the DMV handbook; do not make the mistake of thinking this DMV practice permit test is the only tool you’ll need to pass. For the best results you should read the DMV booklet from start to finish a couple of times, while taking regular breaks to complete our 2018 CDL practice test Colorado quiz. All the DMV test questions you’ll find on this exam are adapted from real Colorado DMV test papers – they’re just about as authentic as can be!

We’ve included some wonderful images and extra support tools on this Colorado DMV practice test, so you might just be surprised how fun and simple it is to complete! Unlike some of our more extensive quizzes, this test contains just 20 multiple-choice and “true or false” questions, meaning you should be able to get through it in around five minutes. In case you missed the memo, this DMV permit practice test is totally free to use and we offer unlimited re-tests for all students! It doesn’t matter if you don’t get anywhere near the 80 percent passing grade the first few times you use this DMV general knowledge practice test, as you can keep using the quiz over and over until you’re satisfied with your score.

Find out if there are any holes in your CDL general knowledge, give the test a try now!