The CDL written test pass line: 80% on every test
Audio from the Open Exam Hub video of the same name; the video shows the numbers and practice questions on screen.
CDL knowledge tests in 35 seconds: federal rules require at least 80 percent correct on each test, and your state sets question counts, fees and retests.
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Free CDL practice test
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Exam facts are from the official FMCSA pages as of 2026-10-18. Fees and rules can change, so confirm on the official site before you enroll. Open Exam Hub is an independent study resource, not affiliated with FMCSA. Practice questions are not from a real exam. Narration is an AI-generated voice.
"Friday Morning" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/by/4.0
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