Oregon CDL practice test
Free CDL practice tests for all 8 topics, plus Oregon's official CDL manual and directory of 53 FMCSA-registered training locations.
Oregon CDL manual and licensing agency
The official Oregon CDL manual is published by Oregon Department of Transportation. Study your state's manual as your primary resource — it covers the federal CDL standards and may include Oregon-specific information about testing procedures or application steps.
Oregon Oregon Department of Transportation homepageNote: Manual link coming soon
For official licensing decisions, eligibility requirements, test fees, and scheduling your knowledge or skills test, contact Oregon Department of Transportation directly.
Free CDL practice tests
These practice tests cover the federal CDL standards that apply in Oregon and every other state. The federal passing standard is 80% for all CDL knowledge tests under 49 CFR 383.135.
Core CDL tests
Most drivers need General Knowledge (everyone), Air Brakes (if your vehicle has air brakes), and Combination Vehicles (for Class A).
- General Knowledge (About 50 questions)
- Air Brakes (About 25 questions)
- Combination Vehicles (About 20 questions)
CDL endorsement tests
Add a test for each endorsement you want on your CDL.
- HazMat (H) (About 30 questions)
- Tank Vehicles (N) (About 20 questions)
- Doubles/Triples (T) (About 20 questions)
- Passenger (P) (About 20 questions)
- School Bus (S) (About 20 questions)
Every question includes a detailed explanation, so when you miss one, you know exactly what to review. For study strategy and tips, see our guide on how to study for the CDL permit test. Federal steps and the 2027 rule summary are in how to get a CDL in 2027 and the CDL knowledge test in 2027.
Get the full CDL course on your phone
Visual lessons, mock exams, and a progress score to help plan your next study session. Free to start on iPhone and Android.
CDL schools in Oregon
Federal law requires Entry-Level Driver Training (ELDT) for most CDL applicants obtaining a Class A or Class B CDL for the first time, upgrading from Class B to Class A, or adding a hazmat (H), passenger (P), or school bus (S) endorsement for the first time. Training must be completed with an FMCSA-registered provider before taking the skills test.
Training in major Oregon cities
53 FMCSA-registered CDL training locations operate in Oregon. Browse them by city, or filter by training type:
- All Oregon CDL schools (53)
- Class B training (45)
- School bus endorsement (24)
- Passenger endorsement (29)
- Hazmat theory (22)
To check if a specific school is registered, use the CDL school lookup.
Preparing for the Oregon CDL skills test
After you pass the knowledge tests and complete ELDT training, you'll take the CDL skills test, which has three parts: the pre-trip vehicle inspection, basic vehicle control, and the on-road driving test.
Start with our CDL pre-trip inspection guide, which covers the vehicle inspection portion that every CDL applicant demonstrates.
Frequently asked questions
- How many CDL practice questions should I do for Oregon?
- Practice until you're consistently scoring well above 80% on all the tests you need. The federal passing standard is 80% for every CDL knowledge test, and Oregon follows that requirement. Most students need several rounds of practice to build confidence and fill knowledge gaps.
- Where is Oregon's official CDL manual?
- Oregon's CDL manual is published by Oregon Department of Transportation. You can access it through the official link on this page. The manual is the primary study resource for your state's CDL knowledge tests.
- Do I need ELDT training in Oregon?
- Entry-Level Driver Training (ELDT) is a federal requirement under 49 CFR 380. Oregon follows this requirement. ELDT is required for most applicants obtaining a Class A or Class B CDL for the first time, upgrading from Class B to Class A, or adding a hazmat, passenger, or school bus endorsement for the first time. Training must be completed with an FMCSA-registered provider before taking the skills test.
- Are these practice tests specific to Oregon?
- The practice questions on this site cover the federal CDL standards that apply in every state, including Oregon. The federal passing standard (80% under 49 CFR 383.135) is the same nationwide. While states administer their own tests and may have different question counts or testing procedures, the core knowledge requirements are consistent.
Related states and resources
CDL practice tests for neighboring states
Other resources
- CDL practice test by state
- CDL manuals for all 50 states and DC
- Free CDL practice tests for all 8 knowledge test topics
- CDL schools directory — browse all FMCSA-registered training providers
- Pre-trip inspection guide for the CDL skills test
Not affiliated with Oregon Department of Transportation
CDL Prep Hero is an independent study resource operated by Evergreen Comply, LLC. We are not affiliated with Oregon Department of Transportation or any other state licensing agency. For official licensing decisions, eligibility questions, fees, or test appointments, contact Oregon Department of Transportation directly.