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For Class A, B, and C · Updated for 2026

CDL practice test: pass your permit test the first time

Start with a free 10-question test. You'll see your score against the 80% passing mark and the one topic costing you the most points.

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CDL driver standing beside a truck
Try one · General Knowledge Railroad crossings

When approaching a railroad crossing with a stop sign, you must stop:

Three steps from here to your permit

  1. 1

    Take a free practice test

    10 General Knowledge questions. You get your score right away.

  2. 2

    Fix your weakest topic

    Study the rules you're missing instead of rereading the whole manual.

  3. 3

    Test until you're above 80%

    With Premium, full mock exams tell you when you're ready for the DMV.

Rules, fees, and handbooks for your state

Requirements differ by state. Pick yours to see what your DMV expects.

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Study guides by test

Every CDL starts with General Knowledge. Then add the tests your license class and job require.

Required · All classes

General Knowledge

The first test for every CDL.

50 questions · 80% to pass Open guide H endorsement · Any class

HazMat

Required to haul placarded hazardous materials.

30 questions · 80% to pass Open guide Class A, B

Air Brakes

Skip it and your CDL is restricted to vehicles without air brakes.

25 questions · 80% to pass Open guide Class A

Combination Vehicles

Required to drive a tractor-trailer.

20 questions · 80% to pass Open guide N endorsement · Any class

Tanker

Required to haul liquids or gases in bulk tanks.

20 questions · 80% to pass Open guide T endorsement · Class A

Doubles & Triples

Required to pull double or triple trailers.

20 questions · 80% to pass Open guide

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The free test tells you where you stand. Premium adds the full question bank, explanations, and mock exams.

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  • 10 General Knowledge questions
  • Your score against the 80% passing mark
  • The topic costing you the most points
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Questions drivers ask

Is this the actual DMV test?

No. Every question is written from the same federal source material (49 CFR Part 383) and modeled on real CDL exam patterns. We cover all 50 states.

Can I pass with just the free practice test?

Not with the free test alone. It's 10 questions, and the General Knowledge test itself has 50. It shows your score and your weakest topic, and our study guides are free to read. Full question banks, answer explanations, and mock exams are part of Premium.

Does this count as ELDT training?

No. ELDT theory training must come from a provider on FMCSA's Training Provider Registry, and first-time HazMat applicants must finish it before the H knowledge test. CDL Pass Master is practice for the knowledge tests, to use alongside that training.

Is the content updated for 2026?

Yes. We review content regularly against federal and state rules.

Find out where you stand today

10 free questions. Your score, your weakest topic, and what to study next.

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