Oregon Combination Vehicles Test — Quick Facts
FormatWritten knowledge test
Questions20 questions
Passing score80% (16/20)
Min. age (intrastate / interstate)18 / 21
CLP hold before skills test14 days min
Government feeSee Oregon DMV →
Start the Free Oregon Combination Vehicles Test →
20 questions · one per page · your progress saves automatically
Oregon Combination Vehicles Practice Tests
5 full practice tests, each with 20 questions drawn from the Oregon CDL question bank. Your score and progress save as you go.
About the Oregon Combination Vehicles Test
Oregon requires the Combination Vehicles test for a Class A CDL — pulling a tractor-trailer. It covers coupling and uncoupling, the fifth wheel, trailer air lines, off-tracking, and preventing trailer skids and rollovers.
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From Pedro, behind the wheelPulling a trailer is a different animal, and coupling is where new drivers get nervous. The test drills the steps in exact order — memorize the coupling and uncoupling sequence until it's automatic.
What Test-Takers Miss Most
- 1The coupling and uncoupling sequence
- 2Trailer air supply and emergency lines
- 3Preventing trailer skids and rollover
Oregon CDL Requirements & Fees
Oregon follows the federal CDL framework: a minimum age of 18 for intrastate driving and 21 for interstate, a commercial learner's permit you must hold at least 14 days before the skills test, and the 80% passing standard. License fees and retake rules are set by Oregon and change from time to time, so check the official source below for current amounts before you go in.
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Official Oregon CDL Handbook & FeesCurrent requirements, fees, and the manual this test is based on
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Frequently Asked Questions
How many questions are on the Oregon CDL Combination Vehicles test?
The Combination Vehicles test has 20 questions, and you need 16 correct to pass at the 80% threshold used across the U.S. under FMCSA standards. Exact counts can vary slightly by state, so confirm with the Oregon CDL handbook.
What score do I need to pass in Oregon?
You need 80% — that's 16 of 20 questions correct on the Combination Vehicles test.
How much does a Oregon CDL cost?
CDL fees are set by Oregon's licensing agency and change periodically, so we don't quote a figure that could go stale. Check current amounts on the official Oregon CDL page.
Is this Oregon practice test free and accurate?
Yes — it's completely free, based on the Oregon CDL handbook, and written and verified by Pedro Marin, an active CDL holder. No registration required.
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