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North Dakota Hazmat Test

You'll haul anhydrous ammonia through Minot – we've got the practice you need.

147
Questions
80%
To Pass
40
Minutes

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

Opens in a practice window — choose your mode inside.

JM

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

Last verified: August 2026

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

About the North Dakota Hazmat Test

North Dakota's economy relies on moving hazardous materials – from oilfield chemicals to agricultural fertilizers. You'll drive on I-94 and US-85, often in extreme cold or blizzard conditions. The Hazmat endorsement isn't just a piece of paper; it's a serious responsibility.

Our practice test mirrors the real ND DMV exam. It focuses on rules specific to our state. You'll tackle questions about placarding, loading, and emergency response. Winter weather adds another layer – we cover that too.

Each question includes an explanation. You'll know why the right answer is right and why the wrong ones aren't. That's how you learn fast.

No fluff. No extra fees. Just a clean practice test built for North Dakota drivers. Take it as many times as you want.

Topics Covered

✓Hazmat classifications – critical when shipping crude oil from the Bakken
✓Placarding rules – know what to display carrying propane through Bismarck
✓Loading and unloading – secure tanks on icy roads
✓Emergency response – winter spills freeze quickly, actions differ
✓Security plans – required for high-risk materials near rail lines
✓Vehicle inspections – cold weather affects seals, valves, and hoses

Study Tips

Study the ND CDL Handbook's hazmat section – it's shorter than you think. Focus on the nine hazard classes and the segregation table. Practice tests help you spot weak areas. Don't cram the night before; spread it out over a few days.

Remember: your endorsement test is separate from the general knowledge test. You can take it at any ND DOL office – call ahead for appointment times. Bring your current CDL and a valid medical card. The written test itself is free, but you'll pay the endorsement fee later.

North Dakota Specific Information

In North Dakota you take the hazmat test at any ND Department of Transportation Driver License office. Locations include Bismarck, Fargo, Minot, Williston, and Grand Forks. You don't need an appointment at most offices, but it's a good idea to check hours – some drop-in slots fill up fast.

The hazmat endorsement adds a $10 fee to your CDL. You must also pass a TSA threat assessment. That's a separate background check you start online before you take the written test.

Plan for extra time. The hazmat test has 30 questions and you'll get 40 minutes. You need 24 correct to pass. No calculators or phones allowed.

Frequently Asked Questions

Do I need a hazmat endorsement for anhydrous ammonia?
Yes – anhydrous ammonia is a hazardous material. You need the H endorsement on your CDL to haul it.
Can I take the hazmat test online in North Dakota?
No – you must take it in person at a ND DOL office. Online tests aren't accepted for the official endorsement.
How long is the hazmat endorsement valid?
It's valid for five years – the same as your CDL. You'll retake the written test when you renew.
What's the passing score for the ND hazmat test?
You need 80% – that's 24 out of 30 questions correct. Miss more than six and you'll have to retake it.
Do I need a background check for the hazmat endorsement?
Yes – all hazmat drivers need a TSA threat assessment. Start that process early; it can take weeks.
JM

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

Last verified: August 2026 · FMCSA-compliant content