All tests
– / –
 
 
 
 
 
Advertisement
  • 0 Incorrect
  • 0 Correct

MO CDL Hazardous Materials (HazMat) Marathon

12 min

Fasten your seat belt for one last wild ride of studying! This Missouri CDL Hazardous Materials (HazMat) Marathon is a massive practice test that contains a compilation of all 192 questions that we have available for this MO endorsement. If you give an incorrect answer, we’ll remember that question and will display it to you again at the end of the exam until you’ve answered that question correctly. In other words, the Marathon will cycle through your missed questions until you answer each one correctly. You must make a 100% to pass. We suggest you attempt this one after you have practiced the state’s “regular” tests, but before the “Exam”. Give it your best shot!

Commercial Driver's License
Based on the official MO CDL HandbookHandbook‑based (2025) + exam‑taker feedback
This test is a Premium member exclusive. You'll get

All 650 exam-like questions specific to Missouri

Interactive learning with AI personal tutor

Unique 360° Virtual Road Simulations

Get your money back if you don’t pass

Accuracy & authorship

Steven Litvintchouk, M.S., Chief Educational Researcher at Driving-Tests.org

Reviewed for legal and handbook accuracy:

Steven Litvintchouk

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

Last verified for accuracy on

Andrei Zakhareuski, Co-founder & CEO at Driving-Tests.org

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 Missouri DOR changes its handbook or website information.

Official sources we check: Missouri CDL Handbook (2025 edition), Missouri DOR website

How to use this practice test

  1. Start here. One of 4 free Missouri tests. ~12 min. Read explanations as you go.
  2. Cover more ground. All tests have different questions - no repeats.
  3. Finish strong. Try the Exam Simulator for a full-length run.

Why this works

  • Exam-like questions from the current handbook + real test-taker patterns. Explanations cite the manual.
  • AI Assistant explains tricky items in plain language.
  • Performance Insights show your weak topics and what to study next.
  • Challenge Bank™ saves your mistakes for targeted practice.

Actual DOR permit test: What to expect?

The Missouri permit test has 30 questions. You must get 24 correct (80%) to pass.
  • Where: Any Missouri DOR office (find locations)
  • Bring: ID + SSN + residency proof + permit/license fee (see checklist)
  • If you fail: Retake the next day.
  • Commonly missed: headlight usage and when to turn them on, right-of-way at intersections.
  • Ready to schedule? Book your MO DOR appointment

Real Missouri drivers who passed first try

Verified student reviews • Shared with permission

Definitely helpful and I recommend.
I was a little skeptical at first doing the ELDT hazmat online at first but it's better than doing the in person class also the 50 most common questions print out was good material as well good for future preparation. I passed the hazmat test with ease 100%
D
A thorough study aid.
The course for the hazmat was well laid out and had all the information needed to pass the test. I studied it for seven days, finished most of it the day before the test, and passed the price was reasonable. The material was spot-on, up-to-date, and accurate.
JK
Perfect program for ELDT requirements.
The Drivng-tests program for getting my hazmat endorsement was great. It was very thorough and covered everything I would need to know. The practice tests were extremely helpful. I passed the test at the registry easily. I can't recommend them enough
M

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

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