FREE 2021 CDL Practice Test

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Test your knowledge using our free CDL practice test for your state. If you find yourself wanting more, sign up to the Zutobi CDL course today.

Earning your commercial driver’s license in any state requires you to follow several steps, starting with passing your CDL general knowledge test followed by endorsement exams. If you’re stuck staring at the pages of the dense CDL manual, passing your tests may feel a little overwhelming if not impossible.

Studying using the handbook is a great way to learn for some, but relying solely on the handbook will make passing your exams very difficult. Many prospective drivers complain that there’s too much information presented at one time, and the material can be hard to understand and remember. That’s what Zutobi is here to help with - we’ll break down the entire handbook into small and digestible practice tests that will help you pass the CDL exam in a breeze.

Zutobi is our online learning platform that has revolutionized the process of learning to drive any vehicle through easy-to-understand theory and tests. Whether you’re getting behind the wheel of a car for the first time, or working on obtaining your CDL, Zutobi can help you study test-relevant material in a way that is fun and engaging.

Pass Your CDL Test in Any State with Zutobi

Zutobi can help you learn everything you need to know in order to earn a passing score on your CDL test on your first try. Here are some of the features you’ll get with Zutobi:

  • State-specific CDL practice tests that simulate the real exam to help you feel prepared and comfortable on test day.
  • Answers and explanations to all of our practice test multiple choice questions so you can learn the correct answers and the reasoning behind them.
  • Relevant information that you need to know in order to pass your CDL test and stay safe on your job. Learn everything from traffic laws to specific regulations for commercial vehicles.
  • An all-in-one course with practice tests for all CDL endorsements.
  • Fun, engaging learning levels that help you stay motivated to study as you earn points and achievements.

What Should I Study Before Taking My CDL Test?

How about the actual test? No, this isn’t cheating, it’s Zutobi’s way of preparing you completely for your exam. We offer up-to-date CDL practice tests that you can use to test yourself before you have to sit down to take the real thing. These tests use questions nearly identical to current CDL exams in your state, and they also include questions to help you fully understand and retain the information in the handbook.

You can use these questions, and their provided answers, as the perfect study guide to help you pass your exams.


Is the CDL General Knowledge Test Hard?

Like any exam, the test will be difficult if you haven’t prepared properly - which is why so many fail. We equip you with bite-sized pieces of information that are easy to understand and, therefore, easy to remember. Our exam-like questions contain detailed explanations that will give you valuable context based on the CDL manual so you’ll feel fully prepared on test day.

How Many Tests Do I Take to Get My CDL Permit?

There are three different exams you need to take in order to earn your commercial learner’s permit (CLP). You must pass the general knowledge test, the combination vehicles test, and the air brakes test.

Once you have taken and passed these three exams, you can get behind the wheel of a commercial vehicle to gain driving experience under supervision. Once you’re ready to proceed to a full commercial license, you will need to pass a road skills test.

If you are trying to earn different endorsements on your CDL, you will have to take and pass additional exams. Examples of these endorsement exams are the:

  • Tank Vehicle Endorsement Test
  • School Bus Endorsement Test
  • Hazardous Materials Endorsement Test
  • Passenger Endorsement Test

What is a Class A CDL?

A Class A CDL allows drivers to operate a vehicle towing a detachable trailer of a gross vehicle weight rating (GVWR) of more than 10,000 pounds. Examples of these trucks are usually any regional or local semi-truck you see on the highway.

What is a Class B CDL?

Any driver with a Class B CDL can drive a vehicle with a GVWR of 10,000 pounds or more, except the trailer is not detachable. These types of vehicles include dump trucks, trash trucks, large buses (including school buses, city buses, and tourist buses), and straight trucks.

What is a Class C CDL?

Drivers holding a Class C CDL can operate any vehicle designed to carry 16 passengers or more (including the driver). This license also allows drivers to operate certain hazardous material vehicles such as gasoline trucks.