CDL Practice Test


Welcome to our CDL practice test site as you attempt to obtain your CDL in Washington. Our practice questions are designed to be similar to questions you would encounter on the CDL Knowledge Test. You can take these practice test questions as many times as you like, and the site is free to use as you prepare to take the CDL test in Washington. 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

The cause of almost half of all truck driver deaths are:

2 / 40

Select the statement that describes smooth bore tanks:

3 / 40

Select the accurate statement in regards to rolling up the landing gear to complete the coupling process.

4 / 40

Make sure____when the front trailer supports are up and the trailer is sitting on the tractor.

5 / 40

On a bus, you may sometimes haul small-arms ammunition, emergency shipments of drugs, or hospital supplies. The total weight of all such hazardous materials must not be greater than:

6 / 40

If you are stopped on an incline, how can you start moving without rolling back?

7 / 40

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

8 / 40

What kind of surge can occur in a tank with baffles?

9 / 40

At the end of each shift you should:

10 / 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?

11 / 40

Remember to____when connecting the converter dolly to the rear trailer.

12 / 40

When transporting both hazardous and non hazardous materials, your bills must:

13 / 40

Suspension systems:

14 / 40

What do you need to do to supply air to the air tanks of the second trailer?

15 / 40

Select the true statement about empty trucks:

16 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

17 / 40

When checking the wheelchair lift, the things you should look for are:

18 / 40

If you double your speed, what will happen to your stopping distance?

19 / 40

What will occur as a result of failing to perform all 3 components of the air brake check?

20 / 40

Double and triple trailers should be driven with care to avoid a rollover or jacknife.

21 / 40

You should make sure the_____before backing under a trailer.

22 / 40

The sliding mechanism and locking device for a tandem axle on trailers is:

23 / 40

You should turn off your engine when loading flammable liquid unless:

24 / 40

Which of the following statements about overhead space is true?

25 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

26 / 40

Which of the following is NOT an acceptable type of marking for hazardous materials?

27 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

28 / 40

Which of the following is the most important reason for doing a pre-trip inspection?

29 / 40

What handling effect will baffles have?

30 / 40

The belt that you need to make sure is securely mounted, without frays, and adjusts and latches properly is the:

31 / 40

You should expect____when backing a tractor under a trailer.

32 / 40

Select the action that is not appropriate when driving on slippery roads:

33 / 40

What is a supply pressure gauge used for?

34 / 40

When approaching railroad tracks, stop your bus:

35 / 40

What color are all school buses painted?

36 / 40

What does the drain valve for air tanks remove?

37 / 40

What is the minimum amount of distance you should maintain when driving at 50 mph in ideal conditions with a 100 ft twin trailer combination?

38 / 40

When inspecting your bus, you must make sure that:

39 / 40

Why is it dangerous to unlock the pintle hook with the dolly still under the rear trailer?

40 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

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CDL Category Practice Tests

CDL Practice Test

How To Get A washington Commercial Drivers License

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

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

Washington State CDL DOL applicants must be deemed to be physically fit to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

  • (Form MCSA-5876) Medical Examiner’s Certificate (This document must be completed by an FMCSA-approved physician.
  • Self-Certification Document

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 Washington. Applicants can be disqualified for having multiple licenses.

Washington 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

washington CDL License Test Tips

All Washington CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Washington test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Washington skills test can be taken 14 days after applicants pass the knowledge test. 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 active duty or honorably discharged from the military within the past year.
  • Have at least 2 years of experience operating a commercial vehicle as part of their military duties.
  • Submit (Form CDL-SK TST WVR) Application for Military Skills Test Waiver.
  • Submit (Form MCSA-5876) Medical Examiner’s Certificate.
  • Submit (Form 649-F) Medical Examination Report for Commercial Fitness Determination.

Additional Information

Information on the Washington State Department of Licensing

The Washington State Department of Licensing administers CDL license testing and regulations in Washington. To get more information contact them via:

Website: https://www.dol.wa.gov/driverslicense/cdl.html

Phone: 360.902.3900


Additional Washington CDL Helpful Links

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