Everything you need to pass the Idaho knowledge test — car, motorcycle, and CDL. Free practice included.
License type
Select your license type to see test requirements and available study materials.
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About the Idaho ITD
Agency
ITD
Languages offered
12
Retake wait
3 days
Test fee
$5
Minimum age
14.5
The Idaho ITD knowledge test has 40 questions. You need to answer 34 correctly (85%) to pass. The test is administered by the Idaho ITD. Questions cover traffic laws, road signs, right-of-way rules, and safe driving practices specific to Idaho. If you don't pass, you can retest after 3 days.
The Idaho motorcycle permit test has 25 questions. You need to answer 20 correctly (80%) to pass. Questions cover riding techniques, road rules, gear requirements, and safe riding practices specific to Idaho.
The Idaho CDL knowledge exam covers general knowledge plus any endorsements you're pursuing — air brakes, combination vehicles, HazMat, tank vehicles, doubles/triples, passenger, and school bus. Each section is scored separately, and you must pass every section required for your license class and endorsements. Our practice tests mirror the real exam's format and difficulty, so there are no surprises on test day.
What trips people up
Based on questions Idaho drivers get wrong most often.
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