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

A drawbridge does not have a traffic light showing green or a traffic control attendant. How many feet before the draw of a bridge must a bus driver stop?

2 / 40

Do empty trucks have the best braking?

3 / 40

When transporting hazardous loads, you must check the tires at least:

4 / 40

Which of the following statements about "Radioactive" labels is true?

5 / 40

What is the purpose of cladding in a tanker?

6 / 40

This gauge has a governor cut-off.

7 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

8 / 40

On the Hazardous Materials Table, column 1 shows:

9 / 40

On a drawbridge, you do not need to stop, but must slow down and make sure it's safe, when:

10 / 40

A tractor should not be backed under a trailer until the whole air system is:

11 / 40

Which of the following types of cargo can never be carrier on a bus with riders?

12 / 40

An example of a low pressure warning signal for air brakes is:

13 / 40

You should adjust all the outside left and right side convex mirrors to see:

14 / 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?

15 / 40

Which of the following should you do when driving the school bus in high wind?

16 / 40

How do you secure a second trailer to your combination vehicle?

17 / 40

The trailer should be lowered so that _____.

18 / 40

When is it best to wear your seat belt?

19 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

20 / 40

How often should air tanks be drained?

21 / 40

Select the true statement about stop valves in a cargo tank:

22 / 40

You should place the starter switch key into your pocket while you are performing the pre-trip inspection because:

23 / 40

Select the true statement about emergency steering and tankers:

24 / 40

A disruptive passenger:

25 / 40

Which of the following statements about overhead space is true?

26 / 40

The most important hand signal you should agree on with a helper is:

27 / 40

The amount of liquid you can carry depends on:

28 / 40

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

29 / 40

Under which two special conditions should you downshift?

30 / 40

You do not have to stop at railroad crossings, but must slow down and carefully check for other vehicles:

31 / 40

Select the false statement about tractor protection valves.

32 / 40

Which of the following is a recommended procedure when unloading the students?

33 / 40

Bus drivers must have a commercial driver license if they drive a vehicle designed to seat more than:

34 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

35 / 40

Select the definition of "off-tracking."

36 / 40

Which of the following are some suspension system defects?

37 / 40

The best way to test if the spring brakes come on automatically is to:

38 / 40

Check that the parking brake will hold by____when the parking brake is engaged and the trailer brakes released if not a combination vehicle.

39 / 40

In the event of a tire failure you should...

40 / 40

Carry-on baggage cannot be stored:

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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.