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District of Columbia CDL Class B Practice Test 2026

9 min

To become a licensed commercial driver in the capital of the United States, you must meet the eligibility requirements. These requirements are in place to ensure that every driver who earns a Commercial Driver’s License (CDL) can operate such vehicles safely and responsibly. While the minimum age to begin the licensing process is 18, you must be 21 to drive commercially out of the District, carry passengers, or haul hazardous materials. The path to a Commercial Learner’s Permit (CLP) begins with understanding pre-trip inspections, loading and unloading procedures, and safe driving practices.

As you begin your learning phase, the official District of Columbia Commercial Driver License Manual (District of Columbia CDL Handbook) will be your primary study resource. This handbook will teach you everything you need to know to pass the official general knowledge exam. To increase your chances of achieving a passing score on your first attempt, consider incorporating our practice tests into your study routine. They enable active learning, which helps you remember and recall important details.

Our District of Columbia CDL Class B Practice Test is an intuitive tool available online. It is current for January 2026 to reflect the latest updates brought by DMV rules or state law. You must answer all 50 questions and score 80% or higher to pass. There are multiple answer choices for each question, but only one is correct. We have omitted any timer from this practice test so you can finish each session at your own pace. Please avoid rushing and review each question carefully before you select an answer.

District of Columbia CDL Class B Practice Test 2026
DC commercial driver's license
Original questions by our team Based on 2026 DC CDL Handbook

Reviewed for legal and handbook accuracy

Steven Litvintchouk

M.S., Chief Educational Researcher (ACES member)

Last verified for accuracy on

Test design and learning experience oversight

Andrei Zakhareuski

Co-founder & CEO, Driving-Tests.org

Questions are created and maintained by the Driving-Tests.org content team following our multi-layer editorial process and updated whenever the District of Columbia DMV changes its handbook or website information. Official sources we check: 

About the District of Columbia CDL

The answer popularity feature lets you see how other users responded to each question. You can activate this function from the test settings menu, which can be accessed by clicking the three dots in the top-right corner of the page. Start today and train with our District of Columbia CDL Class B Practice Test for several weeks. Your knowledge will naturally improve over time, taking you closer to your dream career. With unlimited attempts and 24/7 access, there’s no limit to how often you can practice with this tool.

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