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

What might happen if you swing wide to the left before you turn right?

2 / 40

Which of the following statements about loading and unloading cargo tanks is false?

3 / 40

What action should you take before driving while drowsy?

4 / 40

What keeps air in the tanks should the air compressor develop a leak?

5 / 40

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

6 / 40

Why do air brakes take longer to stop than hydraulic brakes?

7 / 40

The designation RQ identifies the material's:

8 / 40

What are the 3 methods for securing a second trailer before coupling?

9 / 40

You are required to have a tank endorsement when transporting:

10 / 40

Which of the following is NOT a part of the steering system?

11 / 40

What are spring brakes?

12 / 40

The object that doesn't get checked at the side of the trailer is the:

13 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

14 / 40

There must be a hazardous materials identification number on the ______ and on the ______.

15 / 40

Where is compressed air stored?

16 / 40

At the end of each shift you should:

17 / 40

If there is rust around the nuts, what may it indicate?

18 / 40

Which of the following are possible causes of tire fires?

19 / 40

When driving with multiple trailers, which one should be right behind the tractor?

20 / 40

Select the true statement about baffled tankers:

21 / 40

It takes special care to drive tankers with liquid in them because:

22 / 40

Before pulling away, make sure the landing gear of the trailer is:

23 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

24 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

25 / 40

Which of the following statements about bus evacuation is true?

26 / 40

The two other places where the hazardous identification number must appear are:

27 / 40

What should you do before you begin to couple?

28 / 40

Select the true statement about emergency steering and tankers:

29 / 40

The minimum tire tread depth for front tires is:

30 / 40

Select the true statement about double or triple trailers.

31 / 40

Which of the following materials would be an acceptable floor liner for moving Division 1.1 or 1.2 materials?

32 / 40

Select when you should use the parking brake:

33 / 40

The best way to go into a curve is to decrease your speed going into the curve and then ____going through it.

34 / 40

Select the statement that tells you how you can check the low pressure warning signal.

35 / 40

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

36 / 40

A trailer is at the right height to have the tractor backed up to it when:

37 / 40

Take extra caution when driving smooth bore tanks during:

38 / 40

How far before a railroad crossing should you stop your bus?

39 / 40

What is the earliest way to notice a trailer skid?

40 / 40

What is the safest way to stop unruly behavior on the bus?

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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.