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Montana Hazmat Test

Hauling hazmat on I-90 through the Bozeman Pass? You'll need to know these rules inside and out.

147

Questions

80%

To Pass

Minutes

147 questions · 40 min time limit · 80% to pass

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Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026

All questions sourced from the official Montana CDL handbook and FMCSA regulations.

About the Montana Hazmat Test

Montana's roads aren't flat. You'll face steep grades on the Continental Divide and long, straight stretches across the plains. Winter brings ice, snow, and whiteouts. That's why hazmat drivers need more than just textbook knowledge – you need to handle real conditions.

Our free practice test mirrors the actual Montana DMV exam. We focus on the rules that matter most here: proper placarding for oil-field loads, safe speeds on curves, and what to do if you spill fertilizer near a river. Don't waste time studying generic examples – we built this for Montana truckers.

Montana's agricultural and energy industries mean you'll haul propane, anhydrous ammonia, and diesel fuel daily. Each material has its own rules. Our test covers the nine hazard classes, but we emphasize the ones you'll see on Montana roads. You'll also learn the Inland Waterways rules – important if you cross the Missouri or Yellowstone.

Passing the hazmat endorsement means passing a TSA background check and a written test. Use our practice tests to find your weak spots. Then hit the Montana CDL Handbook for the details. We'll help you pass the first time.

Topics Covered

✓Hazardous materials classification – know which materials you'll haul in Montana's wheat fields and oil rigs

✓Placarding and labeling – required for any load entering Billings or Missoula

✓Loading and unloading procedures – avoid spills on I-94's rough patches

✓Emergency response information – what to do if you crash near a Yellowstone tributary

✓Vehicle marking and paperwork – Montana troopers check this on every scale stop

✓Safe driving practices – handling Mountain Time curves and winter black ice

Study Tips

Start with the Montana CDL Handbook – it's short and specific. Focus on the hazmat chapter. Don't skip the tables for compatibility and loading requirements. You'll see those questions on the test.

Make flash cards for the nine hazard classes and their labels. Montana's exam loves to ask which class has which color diamond. Also memorize the 'incompatible materials' list – you'll need it for mixed loads.

Practice our full 30-question test at least three times. Each attempt randomizes the questions. When you score 80% or higher consistently, you're ready for the real thing. Schedule your exam at a DMV station – bring your TSA clearance letter.

Montana Specific Information

Montana offers hazmat testing at all major driver exam stations: Helena, Billings, Great Falls, Missoula, Kalispell, and Bozeman. You must make an appointment – walk-ins aren't guaranteed. Call the station or book online at dojmt.gov.

The test costs $10 for the endorsement knowledge test. You also need a TSA threat assessment – that's $86.50 and takes 2–4 weeks. Apply for it before you schedule your DMV test. Bring your TSA approval letter to the exam.

Montana doesn't accept out-of-state hazmat test scores. You take the written test here, even if you transferred your CDL from another state. The test is computer-based with 30 multiple-choice questions. You get 40 minutes. Pass with 80% (24 correct).

Frequently Asked Questions

What's the hazmat test passing score in Montana?

80% – you need 24 out of 30 questions correct. Same as all other endorsements.

Do I need a TSA background check for Montana hazmat endorsement?

Yes. You must pass a TSA threat assessment before you can take the written test. Apply online, pay the $86.50 fee, and wait 2–4 weeks for approval.

Can I take the hazmat test in a non-English language in Montana?

Yes. Montana offers written tests in Spanish, Vietnamese, and several other languages. Check with your local DMV office to see if they have your language available.

Do I need a separate endorsement for each type of hazardous material?

No. A single 'H' endorsement covers all hazard classes. But you still need to know the rules for each class – the test will ask about all of them.

How long is the Montana hazmat endorsement valid?

5 years – the same as your CDL. You'll renew both together. You don't need to retake the hazmat test at renewal unless your TSA clearance expires first.

Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026 · FMCSA-compliant content