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Free Louisiana CDL HazMat Endorsement Practice Test 2025

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Based on 2025 LA commercial driver's license manual
  • Triple-checked for accuracy
  • Updated for September 2025

Louisiana is rich in diversity, whether driving through the Mississippi River areas and its wetlands, the coastal lowlands, or the congested urban cities like Baton Rouge and New Orleans. These diverse areas create countless opportunities for commercial drivers. Adding the Hazardous Materials (Hazmat) endorsement to your Commercial Driver’s License (CDL) not only increases your marketability but also positions you for brighter recruitment prospects and higher earning potential! Let’s explore this endorsement, the state-specific opportunities it allows, and the tools we’ve created to help you obtain it.

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 several steps included in the endorsement process serve to ensure your safety and protect the people and environment. 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 OMV 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 Louisiana’s knowledge test, which is made up of 30 questions (Louisiana CDL Handbook 2025).

Regarding additional opportunities, hazardous materials often transported in the Pelican State include crude oil and petroleum products (gasoline and diesel fuel), industrial chemicals (benzene and chlorine), natural gas and other compressed gasses, chemical fertilizers (anhydrous ammonia and ammonium nitrate), and hazardous waste and byproducts from the petrochemical industry. There are many high-level organizations in Louisiana that require the endorsement, including ExxonMobil (Baton Rouge), Dow Chemical (Plaquemine), Entergy Corporation (New Orleans), Sasol (Westlake), and Shell Oil (Norco).

Sounds overwhelming? Let’s fix that! Our online Louisiana OMV Hazmat Endorsement practice tests are strategically designed to avoid information not relevant to the test and mimic what you will face on the official OMV test. We also provide immediate feedback on each response, which studies have shown speeds the learning process. Once you receive your TSA results and feel ready, you’ll visit the OMV with the necessary documents, pay the fees, and pass the test with flying colors. What are you waiting for? Click the link and start now!

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LA commercial driver's license
  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Triple-checked for accuracy

What you need to know

4.13 out of 5 • 63 votes
7 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

What to expect on the actual LA OMV exam

30

questions

24

correct answers to pass

80%

passing score

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