Oregon CDL Practice Test

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🚛 Oregon CDL Permit Practice Test Guide

Pass Your Oregon CDL Written Test the First Time

DMV-Written-Test offers Oregon commercial driver applicants high-quality practice exams based on the 2025 Oregon Commercial Driver License (CDL) Manual. These exams mirror the structure and content of the real test administered by the Oregon Department of Transportation Driver and Motor Vehicle Services (Oregon DMV).

Whether you are applying for a Class A, B, or C CDL, our practice tests include questions on General Knowledge, Air Brakes, Combination Vehicles, and Oregon-specific driving laws.

For official manuals, CDL licensing information, and testing locations, visit the Oregon DMV CDL page:
https://www.oregon.gov/odot/dmv/pages/driverid/commercial.aspx

Start preparing today to pass your Oregon CDL permit test with confidence!

📘 What to Expect on the Oregon CDL Knowledge Test

Aspect Details
Number of Questions 50 (General Knowledge)
Passing Score 80% (40 correct answers required)
Test Format Multiple Choice
Time Limit 60 minutes (approximate)
Minimum Age 18 (21 for interstate/HazMat)
Test Languages English, Spanish (HazMat only in English)
Endorsement Areas HazMat, Tankers, Passenger, School Bus, Air Brakes
Retake Policy Next business day (fee may apply)

❓ Frequently Asked Questions

How do I qualify for a CDL permit in Oregon?
You must be at least 18 years old, hold a valid Oregon driver’s license, pass a vision test, and complete the CDL General Knowledge exam.
Is Entry-Level Driver Training (ELDT) required in Oregon?
Yes. ELDT is federally required for all new CDL applicants and those seeking certain endorsements such as HazMat or School Bus.
How long is a CDL permit valid in Oregon?
The Commercial Learner’s Permit (CLP) is valid for 180 days and may be renewed one time.
Can I take the CDL written test in Spanish?
Yes. The General Knowledge test is offered in Spanish. The HazMat test is English only.
What if I fail the CDL knowledge test?
You may retake the test the next business day. A retest fee will be charged.
Do I need a regular license before applying for a CDL?
Yes. A valid Oregon Class C license is required to obtain a CDL permit.
Are separate tests required for CDL endorsements?
Yes. Each CDL endorsement, such as Passenger or Tanker, requires a separate written test.
Can I transfer my CDL to Oregon from another state?
Yes. You must transfer your CDL within 30 days of establishing residency in Oregon.
What documents are required to apply for a CDL in Oregon?
You’ll need proof of identity, lawful presence, Oregon residency, and your Social Security number.
Is TSA clearance required for HazMat endorsements?
Yes. All HazMat applicants must pass a TSA security background check.