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Based on official District of Columbia exam questions

Free DC CDL Tanker Vehicles Practice Test 2025

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

Driving in District of Columbia comes with its own set of unique challenges. The urban environment rewards commercial drivers who are qualified in the transportation and delivery of cargo. However, navigating the densely populated streets and the heavy traffic can be demanding for beginners who are just starting their careers in commercial driving. Major highways such as Interstate 295 and Interstate 66 connect various neighborhoods and suburbs, but they often experience congestion. The areas around the Capitol and the White House become even more difficult to navigate during events or protests.

Nevertheless, the demand for tanker truck drivers in DC is quite high. Key sectors include petroleum distribution, chemical manufacturing, waste management and the food industry. To operate tankers in the capital of the United States, you’ll need a Tanker (N) endorsement on your Commercial Driver’s License (CDL). Additionally, you will also need a HazMat (H) endorsement if you plan on transporting hazardous liquids or gases such as gasoline, chlorine, propane or liquid oxygen.

Before you obtain these endorsements, you must complete Entry-Level Driver Training (ELDT) and Human Trafficking Awareness Training. We know how difficult this process can be for someone who is just getting started in their commercial driving career, but we are here to help you understand and fully master this subject. Initially, students begin by studying the official 2025 CDL manual (District of Columbia CDL Handbook). While it contains essential information on operating tankers, the complex content might be too difficult to understand.

That’s why we have created an efficient learning environment consisting of several CDL Tanker endorsement practice tests specific to District of Columbia. Students can take this smarter approach to learn more about this subject while actively training on a tool designed to closely resemble the official written exam. Consisting of 20 questions, these practice tests have no time limit, allowing students to move at their desired pace.

Our helpful automated assistant will be present during your training sessions. If you feel stuck on a difficult question, you can request a hint that nudges you in the right direction without revealing the correct answer. After each question, immediate feedback is provided, allowing students to identify their mistakes before the test ends.

6 min to complete
Available in EN and ES
DC commercial driver's license
Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives

Authored and curated by Steven Litvintchouk, M.S.

Chief Educational Researcher (ACES member)
Methodology & Editorial Policy
Last verified for accuracy: November 2025 (reviewed weekly)

What to expect on the actual DC permit test

20

questions

16

correct answers to pass

80%

passing score

We know what it takes to pass. And we’ve got the proof.

Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.

An Official & Trusted Partner in Driver Education

We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.

A Smarter Way to Study

Challenge Bank™

Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.

AI-Powered Feedback

Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.

Interactive Handbook

Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.

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