Idaho DMV Practice Test
Practice Idaho road signs, traffic laws, and safe-driving rules with questions based on the official Idaho Driver’s Handbook.
Choose your test and click to begin:
Start with the free 10-question Idaho practice test. Then move on to the full 40-question mock test when you’re ready.
Choose from a set of practice quizzes tailored to different topics, difficulty levels, and test formats. All tests are completely free and can be taken as many times as you need.
Quick Test
10 Idaho knowledge-test practice questions for a quick review.
Full Mock Test
40-question Idaho Class D practice test. Aim for 34 correct to pass.
Study Mode
Work through Idaho knowledge test questions with explanations as you go.
Road Signs Drill
Practice Idaho road signs, signals, traffic controls, and pavement markings.
Idaho permit test quick facts
Number of questions
40
Passing score:
34 (85%)
Time limit:
Not stated
Fees:
$5 test fee plus permit fee
Minimum age:
14½ for a driver-training permit; 15 to take the knowledge test
GDL minimum requirement:
Applicants under 17 must complete driver education course and 50 hours (inc. 10 at night) of supervised driving over 6+ months
Idaho Permit Test FAQs
How many questions are on the real Idaho permit test?
The Idaho Class D knowledge test contains 40 questions. You may miss no more than 6 questions.
What score do I need to pass?
You must answer at least 34 of the 40 questions correctly, which is an 85% passing score.
How much does the Idaho knowledge test cost?
The Idaho Class D knowledge test costs $5. If you fail, you must pay the test fee again when you retake it. Permit and driver’s-license fees are charged separately.
Can I take the Idaho permit test online?
Idaho Transportation Department directs applicants to take the official knowledge test at a county driver’s-license office. No statewide online Class D knowledge-testing option is currently listed. Appointment and testing arrangements vary by county.
What should I bring to the Idaho DMV office?
New applicants should bring proof of age and identity, Social Security number verification, proof of Idaho residency, and proof of U.S. citizenship or lawful presence where applicable. Applicants under 17 also need proof of driver-training completion. Applicants under 18 need a liability signer and proof of school enrollment, attendance, graduation, or equivalent compliance.
What happens if I fail?
You must wait at least three days before retaking the Idaho knowledge test and pay the $5 test fee again.
Are these practice tests based on the Idaho Driver's Handbook?
Yes. These practice questions are designed to help you study topics from the Idaho DMV Driver's Handbook: including traffic laws, road signs, and safe driving rules.
What is in the practice permit test?
Our short tests consist of 10 questions and are perfect for quick refreshes when you only have a few minutes. Our full practice tests have 40 questions for which you'll need to correctly answer 34 to pass. All tests use the same question database, where the questions are selected at random from these categories:
- Occupant Protection
- Traffic Controls
- Laws and Rules of the Road
- Visual Search
- Lane Control
- Turns
- Parking
- Safe Driving Practices
- Vehicle Positioning
- Sharing the Road
- Special Driving Situations
- Handling Emergencies
- Driver Readiness
- Alcohol and Drugs
- Additional Driving Laws/Rules
How to best use these practice tests
Follow these steps for the most effective study experience:
Read the Idaho Driver’s Handbook
This is the official source of all rules you'll be tested on.
Begin with shorter quizzes
Start with road signs, lane rules, and right-of-way. These build strong foundational knowledge.
Move to full-length 40-question tests
These use the same number of questions and pass score as the Idaho knowledge test and help you practice maintaining concentration throughout a full test.
After tests are scored, review the correct answers carefully
Understanding why an answer is correct improves retention.
Retake tests until you consistently score above the passing threshold
Retake the practice tests until you consistently score comfortably above Idaho’s 85% passing threshold.
Additional Recommended Resources
Use our links to review other resources that are available elsewhere.
Useful resources
Always refer to the Idaho Transportation Department and your county driver’s-license office for the latest testing requirements, fees, office procedures, document requirements, and driver-handbook information.
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