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Free District of Columbia CDL General Knowledge Test 2024 | DC

Part of mandatory Entry-Level Driver Training Course Based on 2024 DC commercial driver's license manualAvailable in EN, ES
10mistakes allowed
80%passing score

Washington, D.C., with an area of just 68 square miles, has a gross domestic product (GDP) of $99 billion per year. That’s more than states 2,100 times its size. Such a large GDP would be completely impossible without commercial drivers to move goods and products in and out of the district — which is where you come in. You will soon receive or renew your commercial driver license (CDL), and this practice quiz will help make that possible by giving you realistic practice for the CDL written exam. These 50 multiple-choice questions cover crucial information from the Washington, D.C. Commercial Driver License Manual, as well as federal and local laws. You’ll be tested on right-of-way rules, braking and shifting techniques, driving in special weather and road conditions, handling emergency situations, and more. Use the hint provided with each question, and read the explanations carefully to ensure that you’ll be able to answer future questions correctly. Come back and keep practicing until you feel comfortable with the information. Good luck on your CDL exams!

4.46 out of 5 • 35 votes.

Perfect for

  • First-time DC CDL and CLP applicants
  • CDL holders adding endorsements
  • DC CDL renewal applicants
DC commercial driver's license

What to expect on the actual DC DMV exam

How many questions50
How many correct answers to pass40
Passing score80%

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District of Columbia CDL License FAQs in 2024

How can you obtain a CDL license?

To obtain a CDL license in the District of Columbia, first acquire a commercial learner's permit (CLP) by passing the required knowledge tests. Hold the CLP for at least 14 days before taking the skills test. Then, complete CDL training (recommended) and pass the skills test. Ensure you meet all age and medical requirements.

What is the cost of a CDL?

The cost for a CDL in the District of Columbia includes a $78 fee for the CDL, a $10 fee for the knowledge test, and a $10 fee for the CLP. Additional fees may apply for skills testing and medical examinations.

How many questions are on the CDL permit test?

The CDL permit test in the District of Columbia typically consists of 30 to 50 questions, depending on the class of CDL and endorsements. You need to score at least 80% to pass.

What is the minimum age for a CDL?

You must be at least 21 years old to obtain a CDL in the District of Columbia for interstate transportation or to transport hazardous materials. For intrastate transportation, the minimum age is 18.

More DC CDL General Knowledge Resources

Helpful resources

DC CDL Handbook

View the most recent (2024) official DC CDL Handbook.

Open PDF

DC CDL Practice Test App

Download our free iOS or Android app and practice for your driving test offline or on the go.

CDL Genie app

10 Things You Should Do Before Your Driving Knowledge Exam (PDF)

Many people do their best but still get to the DMV overconfident and underprepared because they fail to do some of the simple...

Open PDF
10 Things You Should Do Before Your Driving Knowledge Exam (PDF)