Learn the published test format
The handbook lists 40 questions and says you may miss up to six. ITD requires a three-day wait and another test fee after a failed knowledge test.
IDAHO · CLASS D KNOWLEDGE PRACTICE
Idaho DMV practice test
Study 57 original Idaho driving questions on road signs, Class D rules, school buses, wildlife, winter driving, and graduated licensing. Each answer includes an explanation and an Idaho Transportation Department reference.
Idaho Class D test formatThe July 2025 Idaho Driver’s Handbook says the knowledge test has 40 questions and allows up to six errors. This independent practice mode uses 40 original questions and the same 34-correct benchmark.
BUILD A PRACTICE SET
Idaho Class D driver knowledge practice
Choose a topic, set a question count, and practise with explanations. Your current answers are saved on this device.
IDAHO STUDY GUIDE
How to prepare for Idaho’s Class D knowledge test
Idaho Transportation Department says Class D knowledge questions come directly from the Idaho Driver’s Handbook. Use the July 2025 edition, then practice signs, traffic controls, safe driving, and the state rules that apply to new drivers.
Review Idaho’s teen GDL program
Applicants under 17 generally need approved driver education, at least six calendar months of supervised driving, and 50 supervised hours, including 10 at night.
Know daylight and passenger rules
Drivers under 16 are generally limited to daylight driving unless accompanied by a qualifying licensed adult. During the first six months, drivers under 17 have a limit on passengers under 17, with a family-related exception.
Prepare for Idaho road conditions
Review safe driving for mountain grades, winter weather, wildlife, school buses, and reduced visibility. Adapt speed and following distance to the conditions.
A practical study routine
- Read the Idaho Driver’s Handbook sections on signs, lane markings, right-of-way, crash procedures, and safe driving.
- Take the 40-question Idaho-format practice set.
- Review missed answers and open the cited ITD source for more detail.
- Confirm test location, appointment, and current licensing requirements with ITD or your county driver’s license office.
Idaho permit test FAQs
How many questions are on Idaho’s Class D knowledge test?
The July 2025 Idaho Driver’s Handbook says 40 questions; it allows up to six errors.
What happens if I fail the Idaho knowledge test?
The handbook says you must wait three days before retaking the test and pay the knowledge-test fee again.
Are these actual Idaho test questions?
No. These are original practice items based on the public handbook and ITD guidance. They are not actual or confidential exam questions.
Official Idaho driver study sources
Use ITD’s current handbook and driver testing guide for the latest test and licensing information.
Read the Idaho Driver’s Handbook, July 2025 ↗Review ITD driver testing steps and practice links ↗Review Idaho’s Graduated Driver Licensing fact sheet ↗Advertisement
USA Exam Practice is independent and is not affiliated with the Idaho Transportation Department. Questions last reviewed November 7, 2026.
Continue studying: Hawai‘i driver practice or browse available state tests.