1
2
3
4
5
All tests
/
 
 
 
 
 
Advertisement
Based on official Wyoming exam questions

WY CDL HazMat Practice Test 3 2025

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

Are you ready to become more competitive among other commercial drivers, potentially earning more income in the process? Adding the Hazardous Materials (Hazmat) endorsement to your Commercial Driver’s License (CDL) is one of the most effective ways to boost your earning potential and expand marketability in Wyoming. With this endorsement, you qualify to haul loads that the U.S. government has deemed hazardous and set yourself apart from non-endorsed drivers, who have no access to this sector.

In the Equality State, common hazardous materials include oil, natural gas, ammonium nitrate, propane, and agricultural chemicals. Major companies such as Halliburton in Casper, Sinclair Oil Corporation, and Black Hills Corporation in Cheyenne depend on drivers who hold this endorsement. This small list represents just a few in a much larger list of opportunities and pay raises awaiting you once endorsed.

To receive the endorsement, the U.S. government requires three major steps. First, you must ensure that all Entry-Level Driver Training (ELDT) requirements have been met. Next, you’ll need to pass a fingerprinting and background check conducted by the Transportation Security Administration (TSA). While you wait for what is often several weeks for these results, you will want to study for the third and final step: passing the DOT HazMat Knowledge Test. This test covers federal regulations, handling and packaging requirements, quantity limits, and transportation configurations for hazardous cargo. Wyoming’s test includes 30 questions, and you’ll need to score at least 80% to pass (Wyoming CDL Handbook 2025). Failing the test can result in delays and added fees, which we can certainly help you avoid.

Our online practice tests are designed to mirror the official exam so that when you arrive on site, you’ll be completely comfortable with procedures. Each practice test question provides instant feedback, allowing you to learn as you go rather than waiting until the end for corrections. We also have other HazMat practice tests, so be sure to check out another one here: https://driving-tests.org/wyoming/wy-cdl-hazmat-practice-test/.

Make no mistake, the HazMat endorsement is an incredible add-on to your CDL. That being said, be sure to check out our other Wyoming practice tests for qualifications like Air Brakes and Combination Vehicles. With every endorsement you add or restriction you remove, you broaden your job opportunities and set yourself apart from the rest of the commercial driving pack.

6 min to complete
Available in EN and ES
WY 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 WY permit test

30

questions

24

correct answers to pass

80%

passing score

More WY CDL test resources

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

Driver’s Ed is - nobody wants to set foot inside the DOT. 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.

5/5
1 votes
Click a star to add your vote
Ask AI Coach
Hi there! I'm Officer Frank