Idaho Permit Practice Test 2026: Class D knowledge test
Free Idaho permit practice test, also searched as Idaho driving test practice (the written test, not the road test): official facts from Idaho ITD, questions written from the official Idaho Driver's Handbook.
- 40 questions
- 85% pass mark, 34 of 40
- $5 fee, Class D knowledge test per attempt
- 14½ minimum age
- Facts checked October 13, 2026
- Tests 1–2 free, no sign-up
Free practice tests
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Practice tests 3–10
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Every test has the same length and pass mark, shown on each card. Each answer comes with its handbook reference. Each test has 30 national rules-and-signs questions and 10 Idaho-specific questions. Tests 1–2 are free; your best score is saved in this browser. The United States pass unlocks every United States test. Have a code? Open practice test 3 to enter it.
Official facts from Idaho ITD
| Official exam name | Class D knowledge test(non-commercial) |
|---|---|
| Run by | Idaho Transportation Department (ITD), Division of Motor Vehicles; tests and permits at county sheriff's driver's license offices official page |
| Number of questions | 40 |
| Breakdown | Idaho traffic laws and rules of the road, signs, signals and pavement markings, the driving task and sharing the road and vehicle equipment and safety |
| Pass mark | 34 of 40 |
| Time limit | None published by Idaho ITD |
| Fee | $5 — Class D knowledge test per attemptClass D knowledge test $5.00 per attempt: handbook fee table 'Knowledge Test ... $5.00' ('All fees are non-refundable'; 'All Retest Fees are the Same as the Original Test Fees'); Young Drivers page 'Knowledge Written Test $5.00'. Class D Instruction Permit (17+) $20.00; Driver Training Instruction Permit and Supervised Instruction Permit $21.50 ('Fee includes $6.50 fee collected in advance for skills test receipt'); Parent Lead Driver Training and Supervised Instruction Permits $16.50; 3-year license (under 15 to 18) $30.00; skills test $35.00 ($6.50 county + up to $28.50 examiner). |
| Minimum age | 14½ |
| Where to book | Idaho ITD test booking and locations (official site) |
The Idaho Class D knowledge test (non-commercial) has 40 questions (Idaho traffic laws and rules of the road, signs, signals and pavement markings, the driving task and sharing the road and vehicle equipment and safety); you need 34 of 40 to pass, per Idaho ITD; questions come from the official Idaho Driver's Handbook (July 2026).
Source: Idaho Transportation Department (ITD), Division of Motor Vehicles; tests and permits at county sheriff's driver's license offices official pages, checked October 13, 2026.
ID, retakes and booking
| ID and documents | At a county driver's license office (handbook and GDL fact sheet ITD 3506): 'Certified Original Birth Certificates', 'Acceptable photo identification', 'Social Security Card or Number for verification', 'Proof of Idaho Residency', 'Liability Signer (if under 18) - must be birth parent or court-ordered guardian', 'Verification of School Compliance (VOC) (if under 18)', lawful presence documents if applicable, and Driver Training Completion if under 17. 'Photocopies or faxes of these documents will not be accepted.' Minors do not need their own photo ID if a parent or guardian provides theirs with the child's certified birth certificate. Vision screening: 'minimum standard of 20/40 vision in at least one eye'. |
|---|---|
| Retake | Handbook: 'IF YOU FAIL A KNOWLEDGE TEST, YOU MUST WAIT THREE (3) DAYS TO RETEST. YOU WILL ALSO BE REQUIRED TO PAY THE KNOWLEDGE TEST FEE AGAIN.' GDL fact sheet: 'Applicants who fail a test must wait at least three days before retaking a test (the test fees must be re-paid).' |
| Attempts | No attempt cap published; each retest costs the $5.00 test fee again. A translator may be used only if the language is not offered or 'The customer has attempted the knowledge test at least three (3) times in a language we offer and cannot pass.' Class D Instruction Permit valid one year. |
| Languages | Handbook (July 2026): 'The knowledge test is available in English, Arabic, Chinese, Farsi, French, Korean, Russian, Serbo-Croatian, Spanish, Swahili, Vietnamese, and American Sign Language (ASL).' Taking the Driver's Test page lists the same languages, written and aural (ASL by video). Translators are allowed only under set conditions (not a family member, reads only the test and answers). Spanish handbook available. |
| Road signs | US traffic signs as shown in the Idaho Driver's Handbook ('Signs, Signals, & Pavement Markings': traffic, turn prohibition and lane control, work zone, warning and guide signs, traffic signals). |
| Handbook | Idaho Driver's Handbook — July 2026 (cover 'JULY 2026'; PDF created 17 Jul 2026; same file as the question bank's copy) read the handbook |
| Facts last checked | October 13, 2026 |
Idaho road signs test
US traffic signs as shown in the Idaho Driver's Handbook ('Signs, Signals, & Pavement Markings': traffic, turn prohibition and lane control, work zone, warning and guide signs, traffic signals). Practice them in the free Idaho road signs test or browse the United States sign library.
Idaho Class D knowledge test: common questions
How many questions are on the Idaho permit test?
The Idaho Class D knowledge test has 40 questions (Idaho traffic laws and rules of the road, signs, signals and pavement markings, the driving task and sharing the road and vehicle equipment and safety), per Idaho ITD.
What is the pass mark for the Idaho permit test?
You need 34 of 40 to pass, per Idaho ITD.
Is the Idaho permit test hard?
You need 34 of 40 (85%) to pass, so in the official 40-question format you can get at most 6 wrong. The best preparation is to study the official Idaho Driver's Handbook (July 2026) and take practice tests until you pass them comfortably.
How much does the Idaho permit test cost?
$5 — Class D knowledge test per attempt, per Idaho ITD.
Is there a free Idaho permit practice test for 2026?
Yes. This site has 2 free Idaho Class D knowledge test practice tests for 2026, each with 40 questions and the official pass mark of 34 of 40 (85%), plus a free road-sign quiz.
More Idaho Class D knowledge test questions: time limit, retakes, age and ID
Nearby tests
Official handbook
Class D knowledge test questions come from the official Idaho Driver's Handbook. Read the Idaho Driver's Handbook on the official site.
Last updated October 13, 2026. Facts checked against Idaho Transportation Department (ITD), Division of Motor Vehicles; tests and permits at county sheriff's driver's license offices official pages. This site is independent and is not run by Idaho ITD.