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

You should follow behind other vehicles ______when traveling under 40 mph.

2 / 40

What is most likely to occur when driving a set of doubles and a set of trailer wheels goes into a skid?

3 / 40

Which of the following statements about bus evacuation is true?

4 / 40

____is the most common type of foundation brakes used by heavy vehicles.

5 / 40

Select what you should do before leaving the vehicle unattended:

6 / 40

Who is responsible for certifying on the bills of lading that the hazardous materials are prepared properly?

7 / 40

How should you know when to shift?

8 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

9 / 40

A shipper’s certification is best described as _____.

10 / 40

What is the most important reason for doing a school bus inspection?

11 / 40

What can side to side surge cause?

12 / 40

At the end of each shift you should:

13 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

14 / 40

You should activate hazard lights within approximately how many feet before railroad crossing?

15 / 40

Which of the following is not a prohibited practice on the bus:

16 / 40

Select the true statement in regards to stopping distance and speed:

17 / 40

What is the best way to see the sides and rear of your vehicle?

18 / 40

The driver's manual advises you to disconnect the steering axle brake to keep the rig straight:

19 / 40

Select the true statement about handling triples and doubles:

20 / 40

With Division 1.2 or 1.3 Explosive B, how close to the travelled part of the roadway can you park?

21 / 40

What is the best way to prevent brakes form overheating while drive down a steep grade?

22 / 40

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

23 / 40

How often should you check your cargo?

24 / 40

An "A/W" the first column of the hazardous materials table means:

25 / 40

Select the inappropriate way to test for the low pressure warning signal.

26 / 40

Air tanks should be drained:

27 / 40

What might happen if a trailer is too high when you try to couple?

28 / 40

When is it best to wear your seat belt?

29 / 40

A slack adjuster is:

30 / 40

Select the situation in which you should use the hand valve to park a combination vehicle.

31 / 40

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

32 / 40

Which of the following would NOT be part of a standard vehicle inspection?

33 / 40

When inspecting the_____you pump the pedals 3 times and then hold it down for 5 seconds feeling for no movement to occur.

34 / 40

If you do become sleepy while driving, you should _____.

35 / 40

The designation RQ identifies the material's:

36 / 40

You should____in order to inspect the coupling.

37 / 40

What are the three hazard classes should NOT be loaded into a trailer that has a heater air conditioner unit?

38 / 40

The trailer should be lowered so that _____.

39 / 40

What is the purpose of cladding in a tanker?

40 / 40

In the event of an accident you should remember to do the following EXCEPT:

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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.