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Based on official Tennessee exam questions

Free Tennessee CDL HazMat Endorsement Practice Test 2025

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

Whether driving through the steep grades and winding roads of the Appalachian Mountains in eastern Tennessee, the rugged terrain of the Cumberland Plateau, or the rolling hills and plains in the central part of the state, Tennessee is a gorgeous state with much to offer. If adding the Hazardous Materials (Hazmat) endorsement to your Commercial Driver’s License (CDL) is your objective, you’ve come to the right place. Let’s dive into how the Hazmat endorsement increases your marketability and recruitment potential and can result in higher pay!

The Hazmat endorsement permits drivers to transport materials that the U.S. government has judged hazardous. This responsibility is taken very seriously, and many additional requirements come into play. The endorsement process alone includes several hurdles to ensure your safety and protect the people and environment. Hazardous materials often transported in the Volunteer State include petroleum products, agricultural chemicals, industrial chemicals, explosives, and construction-related chemicals. There are many high-level organizations in Tennessee that require the endorsement for cargo transport. FedEx (Memphis headquarters), Eastman Chemical Company (Kingsport), Nissan North America (Smyrna), and Pilot Flying J (Knoxville) are a few examples.

First, you’ll need to pass a Transportation Security Administration (TSA) fingerprinting and background check. Results from TSA can take weeks to arrive. You’ll want to use that time to study and practice for the second hurdle: the DMV knowledge test. The knowledge test addresses federal regulations, substance handling, material packaging, quantity limits, and transport configurations for hazardous materials. You’ll need a score of 80% on Tennessee’s knowledge test, which is made up of 30 questions (Tennessee CDL Handbook 2025).

If all this sounds a little overwhelming, it doesn’t have to be. Keep your eye on the prize of more opportunities and potentially higher income. Our online Tennessee DMV Hazmat Endorsement practice tests are strategically designed to avoid any extraneous information you’d find by online search. We get straight to the point and have designed our practice tests to mimic what you will face on the official DMV test. We also provide immediate feedback on each response instead of waiting until the end of the assessment and bombarding you with corrections. Once you receive your TSA results and feel ready, you’ll visit the DMV with the necessary documents, pay the fees, and pass the test with flying colors.

7 min to complete
Available in EN and ES
TN 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 TN permit test

30

questions

24

correct answers to pass

80%

passing score

Real Tennessee drivers who passed first try

Verified student reviews • Shared with permission

The permit practice tests on the website were easily accessible.
The audio was very clear and extremely informative. So much that, I aced my Hazmat test on the first try. I highly recommend the use of this website along with the content it has to offer.
A
Dedication pays off.
First of all, the company was very honest and helpful with informing me about the program and how it works. The material was so straight forward that the only thing that I had to do was sit down and commit myself and learn everything. I enjoyed how the material was presented to me. It wasn’t just thrown together like some other schools do just to make a buck, this was presented in a step by step tutorial that it made the material easy and fun to learn. But you have to put the time into it, I personally put 3 wholehearted days into it and my scores are proof of all my hard work.
HS
It really took only a day?
I wasn't happy hearing that I needed to take the additional steps to get my HazMat certification and endorsement. driving-tests.org has an excellent service at a great price. I passed your website on to my brother. I signed up two nights ago and obtained three endorsements today. I think all three tests took approximately 10 minutes to pass. Really happy I found your website.
JG
I am a class a driver with 20 plus years of driving and this is the first time i needed a Hazmat endorsement.I took your ELDT class,and passed my Hazmat test,in less than 5 mins.Thank you.
All the information you need is up front and made very easy to use.The videos and the test were on point to learn,the knowledge needed to pass the Hazmat test
MS
This is an amazing program.
I signed up two days be I intended to take my HazMat and Tanker endorsement tests. I completed the ELDT in a matter of hours then spent a few hours taking the practice exams the day before my scheduled test. I took both exams in less than 15 minutes and missed two questions due to a reading error on my part. This course is money well spent.
JS
Highly recommended.
Almost every test question was in the three different sets of practice tests for hazmat general knowledge air brakes combination vehicle has practice tests for school bus and everything else you can test for at the dmv
JD

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