CDL Practice Test


Welcome to the Oregon CDL practice test site. You can take these practice test questions as many times as you like, as all of the driving practice tests on this site are completely free. The questions are all derived from the Oregon CDL driving manual and should help you prepare for the official Oregon CDL test. 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

Which of the following statements is true about speed management?

2 / 40

When driving normally, some drivers use the hand valve before applying the brake pedal to prevent jack knifing. Select the most appropriate response to this statement.

3 / 40

This object should not move more than an inch by pulled by hand with the brakes released for manual slack adjusters.

4 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

5 / 40

You should check____when loading the small tanks of a cargo tank with bulkheads.

6 / 40

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

7 / 40

The transport index of a radioactive material:

8 / 40

What is the best way to stop all skids?

9 / 40

What is a common cause of tire fires?

10 / 40

What are you checking when looking at the lubrication level on a dipstick?

11 / 40

You downshift automatic transmissions ______.

12 / 40

The locking jaws of the kingpin should close around:

13 / 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:

14 / 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.

15 / 40

Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:

16 / 40

Select what you should not do when coupling the glad hands.

17 / 40

What color and shape is the trailer air supply control?

18 / 40

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

19 / 40

You should keep a minimum of ____between another vehicle and the double trailer with 100 ft truck driving at 30 mph.

20 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

21 / 40

Select the false statement about suspension:

22 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?

23 / 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?

24 / 40

What handling effect should you expect when your tank has baffles?

25 / 40

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

26 / 40

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

27 / 40

What is most likely to occur when the front wheels begin to skid?

28 / 40

Select the true statement about emergency steering and tankers:

29 / 40

You should follow the posted speed limits for curves and be aware of:

30 / 40

If you are transporting cargo, you should inspect the cargo and securing devices:

31 / 40

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

32 / 40

Select the step that comes first:

33 / 40

Select the true statement in regards to an application pressure gauge:

34 / 40

To prevent a roll over a driver can 1) keep the cargo as low to the ground as possible and 2) _____.

35 / 40

There should be ___space between the upper and lower fifth wheel after coupling.

36 / 40

It is important to know the outage required for the liquids you carry because:

37 / 40

When there is a hazardous materials emergency. You should:

38 / 40

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

39 / 40

Why is understanding the loading and unloading procedures so critical?

40 / 40

You should be in the proper gear before going down a hill because:

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CDL Category Practice Tests

CDL Practice Test

How To Get An oregon Commercial Drivers License

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

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

Oregon CDL applicants must be medically certified that they are physically capable of operating a commercial vehicle and pass a vision test. Oregon applicants must have the forms signed by a CDL-certified doctor.

Applicants are required to submit Form MCSA-5876, a Medical Examiner’s Certificate and Form 735-7369, a Self-Certification of CMV Driving Type.

All required paperwork must be completed before applying for a CDL. These documents must be brought to the appointment at the Oregon Department of Motor Vehicles.

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

Oregon 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

oregon CDL License Test Tips

All Oregon CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Oregon test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Oregon 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 military personnel.
  • Operate a commercial vehicle as part of their military duties.
  • Have been discharged from the military within the past 12 months of applying for a CDL.
  • Submit an Application for CDL Skills Test Waiver.

Additional Information

Information on the Oregon Department of Transportation

The Oregon Department of Transportation administers CDL license regulations in Oregon. To get more information contact them via:

Website: https://www.oregon.gov/ODOT/DMV/Pages/DriverID/CDLget.aspx

Phone: 503.945.5000


Additional Oregon CDL Helpful Links

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