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About Knowledge Tests |
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- Locations & Hours - Knowledge tests are conducted at most regular DMV offices. Refer to the individual DMV office information pages for details. Most DMV offices stop conducting knowledge tests for regular (non-commercial) driver licenses 1 hour before closing and stop conducting knowledge tests for commercial driver licenses 1.5 hours (90 minutes) before closing.
- Proof of full legal name - You may be asked to provide acceptable proof of full legal name.
- Proof of legal presence in the U.S., identity and date of birth - You may be asked to provide acceptable proof of legal presence in the U.S., identity and date of birth.
- Proof of your Social Security Number (SSN) - You may be asked to provide acceptable documentation proving your Social Security Number.
- Expired Driver License - If your driver license is expired for more than one year, you will be required to take the knowledge, vision and drive tests before renewing.
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Tips |
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- Knowledge tests and the safe driving practices test are closed book tests. With permission, you may use a foreign language translation dictionary.
- Talking, listening to an audio player or using a cell phone is not allowed while taking the test.
- No writing or note taking during a test is permissible unless you are marking answers on a paper test.
- Do not cheat on a test with help from a prohibited aid or another person. If DMV determines that you did cheat, you will not be able to take any knowledge tests for 90 days.
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Regular (Class C) Knowledge Test |
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Languages/Formats
The regular (Class C) knowledge test asks questions about road signs, traffic laws and other information you need to know to drive in Oregon. All information necessary to pass this test is included in the Oregon Driver Manual (English, Spanish, Korean, or you may use the audio version).
Our regular knowledge test is offered on automated test equipment, with or without audio, or on paper in the following languages:
- English
- Spanish
- Russian
- Korean
- Vietnamese
- Japanese
The test is also offered orally by a Transportation Service Representative (you must call your local DMV office to schedule an appointment). If you believe one of these ways would be helpful to you please inform the Transportation Service Representative prior to beginning your test.
Failure. Each required test has a mandatory waiting period between retesting.
If you fail your first, second, or third knowledge test, you have to wait until at least the next day to try again. If you fail a fourth, or subsequent test, you must wait 28 days to try again.
Fee
A testing fee is required for each test given.
Practice Tests
English:
Spanish:
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Safe Driving Practices Test (Under 18) |
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This is an additional knowledge test required for persons under 18 years of age. It checks your knowledge of safe driving practices gained through driving experience and information covered in the Oregon Driver Manual (English, Spanish, Korean and audio). Before taking this test, it is a good idea for you to read the manual again.
Failure. Each required test has a mandatory waiting period between retesting.
If you fail your first, second, or third safe driving practices test, you have to wait until at least the next day to try again. If you fail a fourth or subsequent test, you must wait 28 days to try again.
Fee
There is no fee to take this test.
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Motorcycle Knowledge Test |
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To obtain a motorcycle endorsement or instruction permit, you must pass a motorcycle knowledge test. This test checks your understanding of road rules and safe riding practices. The test is based on information in the Motorcycle & Moped Driver Manual and Oregon Driver Manual.
Failure. Each required test has a mandatory waiting period between retesting.
If you fail your first, second, or third motorcycle knowledge test, you have to wait until at least the next day to try again. If you fail a fourth, or subsequent test, you must wait 28 days to try again.
Fee
There is no fee to take this test.
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Moped Knowledge Test |
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To obtain a moped restricted Class C driver license, which authorizes the operation of mopeds only, you must pass a moped knowledge test. Knowledge test questions are based on information, practices, and ideas from the Motorcycle & Moped Driver Manual and the Oregon Driver Manual. This test checks your understanding of road rules and safe riding practices.
Failure. Each required test has a mandatory waiting period between retesting.
If you fail your first, second, or third moped knowledge test, you have to wait until at least the next day to try again. If you fail a fourth, or subsequent test, you must wait 28 days to try again.
Fee
A testing fee is required for each test (see note on payment of test fees).
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Commercial Knowledge Test |
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You may go to any full-service DMV office to take your knowledge test. Knowledge test are conducted at all full service offices without an appointment. Many offices do not conduct knowledge tests after 4:00 PM weekdays and after 11:00 AM on Saturday. Arrive early enough to give yourself plenty of time to take the test before the office closes.
Commercial Driver License (CDL) knowledge tests are offered in English only and translators are not permitted.
You will have to take one or more knowledge tests, depending on what class of license and what endorsements you need. CDL knowledge tests may include:
- General Knowledge Test - taken by all applicants.
- Passenger Endorsement Test - when operating vehicles carrying 16 persons or more, including the driver.
- Air Brakes Test - if your vehicle has air brakes.
- Combination Vehicles Test - if you want to drive vehicles in combination (Class A).
- Hazardous Materials Endorsement Test - if you want to haul hazardous material or waste in amounts which require placards. All applicants renewing a CDL which includes a hazardous materials endorsement must successfully re-complete the hazardous materials endorsement test prior to renewal.
- Tank Endorsement Test - if you want to haul liquids or gas in bulk.
- Doubles/Triples Endorsement Test - if you want to pull double or triple trailers.
- School Bus Endorsement Test - when transporting pre-primary, primary or secondary school students from home to school, from school to home, or to and from school sponsored events.
Read the "CDL Licensing Requirements" table in the CDL Driver Manual for details on how to obtain the desired endorsement(s). Endorsement exams cover not only material from individual endorsement sections, but also from the section on driving safely. Be familiar with the driving safely section when applying for any classification or endorsement.
Have a current valid CDL from another jurisdiction?
DMV will waive all CDL knowledge tests EXCEPT the Hazardous Materials Knowledge Test if you surrender a current valid CDL from another jurisdiction for a comparable Oregon CDL.
Failure. Each required test has a mandatory waiting period between retesting.
If you fail your first, second, or third CDL knowledge test, you have to wait until at least the next day to try again. If you fail a fourth, or subsequent test, you must wait 28 days to try again.
Fee
A testing fee is required for each test given.
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Related Information |
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Additional information that may be relevant includes:
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