Idaho permit test FAQ 2026: how many questions, pass mark, cost
Idaho permit test questions, answered with facts from Idaho ITD.
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).
Practice format (official): Our practice tests use the official format — 40 questions, 34 of 40 (85%) to pass, untimed.
The Idaho Class D knowledge test in brief
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.
Time limit, retakes, age and ID
How long is the Idaho permit test?
Idaho ITD does not publish a time limit for the Idaho Class D knowledge test.
Can I retake the Idaho permit test if I fail?
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).' 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.
How old do you have to be to take the Idaho permit test?
The minimum age is 14½, per Idaho ITD.
What do I need to bring to the Idaho permit test?
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'.
Which handbook is the Idaho permit test based on?
The official Idaho Driver's Handbook (July 2026). You can read it on the official site.
Official source: Idaho Transportation Department (ITD), Division of Motor Vehicles; tests and permits at county sheriff's driver's license offices. Handbook: Idaho Driver's Handbook.
Start the free Idaho Class D knowledge test practice test 1 · Road-sign quiz
Last updated October 13, 2026.