Colorado CDL Practice Test 2026

Colorado CDL practice test: 394 free practice questions (Based on the official driver handbook). The official format is not yet verified; check the official site before your test. Updated

Official test facts (verified)

FactValueSourceChecked
Practice questions394 questionsdmv.colorado.gov

Only facts we confirmed on an official page are listed. Fees, minimum age and waiting periods are added once verified.

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394 practice questions

Start 10-question practice

Units

  1. 1
    Vehicle Equipment & Safe Operation179 questions
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  2. 2
    General Driving Knowledge132 questions
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  3. 3
    Bad Weather & Night Driving20 questions
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  4. 4
    Sharing the Road16 questions
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  5. 5
    Speed Limits & Following Distance14 questions
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  6. 6
    Impaired Driving & Penalties14 questions
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  7. 7
    Parking & Stopping Rules9 questions
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  8. 8
    Licensing, Demerits & Penalties5 questions
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  9. 9
    Highway & Freeway Driving4 questions
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  10. 10
    Traffic Signs & Signals1 questions
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We show test facts only after confirming them on an official page. The format for this test is still being checked; see the agency page below.

394practice questions

CDL knowledge tests & endorsements

Knowledge tests defined by FMCSA (49 CFR Part 383). Which ones you need depends on the vehicle class and endorsements you apply for.

General Knowledge

GK

Air Brakes

AB

Combination Vehicles

CV

Hazardous Materials

H

Tank Vehicles

N

Doubles/Triples

T

Passenger

P

School Bus

S

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Practice question bank

394questions
10topics
1in Traffic Signs & Signals
Vehicle Equipment & Safe Operat…179General Driving Knowledge132Bad Weather & Night Driving20Sharing the Road16Speed Limits & Following Distan…14Impaired Driving & Penalties14Parking & Stopping Rules9Licensing, Demerits & Penalties5Highway & Freeway Driving4Traffic Signs & Signals1license-test.com
Vehicle Equipment & Safe Operation is the largest topic (45% of the bank) · Questions per topic · Source: License Test question bank

Sample questions

  1. Before any flammable liquids are loaded or unloaded, the engine should be:

    • Turned off. ✓
    • Revved.
    • Turned on.
    • Drained of oil.

    Vehicle Equipment & Safe Operation · Answer: A · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 9 – Hazardous Materials, p. 124

  2. To operate a vehicle that is used to transport hazardous materials, a driver must have:

    • Only a CDL.
    • A CDL with a hazardous materials endorsement. ✓
    • A CDL with a passenger endorsement.
    • A CDL with an air brake endorsement.

    General Driving Knowledge · Answer: B · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 1 – Introduction, p. 17

  3. How much water must be present for a vehicle to hydroplane?

    • Usually several inches
    • A significant amount, such as a large puddle
    • A small amount ✓
    • None

    Bad Weather & Night Driving · Answer: C · Official handbook: dmv.colorado.gov

  4. A blind spot extends at least ____ behind a school bus.

    • 10 feet
    • 50 feet ✓
    • 100 feet
    • 1,000 feet

    Sharing the Road · Answer: B · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 10 – School Buses, p. 135

CDL knowledge tests: compare with nearby states

StateQuestions on testPass markPractice questions
Coloradonot verified yetnot verified yet394
Arizonanot verified yetnot verified yet413
Kansasnot verified yetnot verified yet397
Nebraskanot verified yetnot verified yet476
New Mexiconot verified yetnot verified yet411
Oklahomanot verified yetnot verified yet421
Utahnot verified yetnot verified yet477
Wyomingnot verified yetnot verified yet459
Utah477Nebraska476Wyoming459Oklahoma421Arizona413New Mexico411Kansas397Colorado394license-test.com
Colorado ranks 8 of 8 by practice questions · Practice questions per jurisdiction · Source: License Test question bank

FAQ

How many practice questions does this Colorado CDL practice test have?

394 published questions in 10 topics. The largest topics are Vehicle Equipment & Safe Operation (179), General Driving Knowledge (132), Bad Weather & Night Driving (20).

Where do these practice questions come from?

Questions are based on the official Colorado driver handbook (dmv.colorado.gov). Every question is aligned with the official handbook rules for Colorado.

Is the Colorado CDL practice test free?

Yes. All 394 questions, topic practice and the wrong-question book are free and need no account.

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Source

Last checked: 2026-10-17 · Verified from official source

Updated: · Based on the official driver handbook