CDL Practice Test


Use this site as a guide to help you prepare for the CDL test in Virginia. Questions on our CDL knowledge exams come from sections of the Virginia DMV CDL manual. You can take these practice test questions as many times as you like, as the site is free to use. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin. 

1 / 40

What are some things you should check on the front of your vehicle when doing the walk-around inspection?

2 / 40

What does the service brake system do?

3 / 40

What is incorrect concerning disruptive passengers?

4 / 40

If the hazardous materials are classified as FORBIDDEN you should:

5 / 40

Surge affects the handling of a tanker by:

6 / 40

This object should not be worn dangerously thin where visible.

7 / 40

The transport index of a radioactive material:

8 / 40

Air pressure should build___with a dual air system.

9 / 40

The front trailer supports should be____before driving away.

10 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

11 / 40

Select the true statement about baffled tankers:

12 / 40

To avoid rollover when going through a curve, the best thing to do is:

13 / 40

Spring brakes are usually held back by_____during normal driving.

14 / 40

Select the true statement about empty trucks:

15 / 40

You don't want to use wheel chocks when hooking a combination to a second trailer with no spring brakes. What should you do?

16 / 40

How should you know when to shift?

17 / 40

You must not allow riders to stand:

18 / 40

It is very important that you never smoke around which hazard classes?

19 / 40

Select the true statement in regards to crossing your air lines on a new trailer with spring brakes

20 / 40

You should be extra cautious when___while driving a smooth bore tanker combination.

21 / 40

Under which two special conditions should you downshift?

22 / 40

Select the true statement:

23 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

24 / 40

Select the true statement in regards to large combination vehicles taking longer to stop.

25 / 40

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as.

26 / 40

School buses are one of the safest means of transportation. What two key factors contribute to this impressive safety record?

27 / 40

You must control how far packages labeled "Radioactive II" or "Radioactive III" are located from people and cargo space walls by referring to:

28 / 40

Select the true statement about slack adjusters:

29 / 40

What should you check for when inspecting a converter dolly?

30 / 40

When using turn signals, which of the following should be avoided?

31 / 40

How often should you check the tires on a placarded trailer that has dual tires?

32 / 40

When should you check your mirrors for a lane change?

33 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

34 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

35 / 40

Select the true statement about retest markings:

36 / 40

Which contains more alcohol: a 12-ounce glass of 5% beer, a 5-ounce glass of 12% wine or a 1 1/2-ounce shot of 80 proof liquor?

37 / 40

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

38 / 40

How do you determine if slack adjusters need to be adjusted?

39 / 40

Air tanks should be drained:

40 / 40

What is a supply pressure gauge used for?

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CDL Category Practice Tests

CDL Practice Test

How To Get A virginia Commercial Drivers License

To be eligible for a CDL in Virginia, applicants must meet the following age eligibility requirements.

  • Be at least 18 years old to operate a commercial vehicle intrastate (within Virginia only).
  • Be at least 21 years old to operate a commercial vehicle interstate (outside of Virginia).

Virginia CDL applicants must be certified that they are medically fit to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

  • (Form 649-F) Medical Examiner Report
  • (Form DL-8) Commercial Driver’s License Self-Certification (This form must be completed by a FMCSA-approved medical examiner.

Interstate non-excepted (drivers who do not work for the state or federal governments) must meet federal DOT requirements. Intrastate non-excepted drivers must meet the state requirements.

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Virginia. Applicants can be disqualified for having multiple licenses.

Virginia CDL Endorsements

  • H – Hazmat Vehicles
  • N – Tank Vehicles
  • P – Passenger Vehicles
  • S – School Bus
  • T – Double or Triple Trailer
  • X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

virginia CDL License Test Tips

All Virginia CDL applicants must pass the general knowledge test prior to taking the skills test. To pass the Virginia test, applicants must score 80 percent or higher. Applicants who require endorsements must pass additional tests and pay the required fees. The Virginia skills test can be taken 14 days after applicants pass the knowledge test if applicants have never applied for a CDL before and they pass a state-approved driver education program. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military veterans and current military members can apply to have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must:

  • Be an active member of the military.
  • Possess a valid Virginia driver’s license.
  • Have operate a commercial vehicle as part of their military duties.
  • Have been recently discharged from the military.

Additional Information

Information on the Virginia Department of Motor Vehicles

The Virginia Department of Motor Vehicles administers CDL license testing and regulations in Virginia. To get more information contact them via:


Phone: 804.497.7100


Additional Virginia CDL Helpful Links

Please use the links below to access Virginia CDL testing resources and to learn more about practice driving tests for the state of Virginia.