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100+ Free Idaho DMV Permit Test Practice Questions

Pass your Idaho Driver License Written Knowledge Test exam on the first try — instant access, no signup required.

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2026 Statistics

Key Facts: Idaho DMV Permit Test Exam

40

Multiple-Choice Questions

Idaho Transportation Department

85% (34/40)

Passing Score

Idaho Transportation Department

$5.00

Knowledge Test Fee

Idaho Transportation Department 2026

0.08% / 0.02%

BAC Limit (21+ / under 21)

Idaho Code 18-8004

The Idaho DMV knowledge test has 40 multiple-choice questions and requires 34 correct answers (85%) to pass — one of the strictest thresholds in the U.S. The knowledge test fee is $5.00 and the skills test is $35.00. Idaho's BAC limit is 0.08% for drivers 21 and older, 0.02% for drivers under 21, and 0.04% for commercial drivers. Teens can get a Supervised Instruction Permit at 14 1/2, must complete driver education if under 17, and complete 50 hours of supervised driving (10 at night). All questions come from the official Idaho Driver's Handbook published by the Idaho Transportation Department.

Sample Idaho DMV Permit Test Practice Questions

Try these sample questions to test your Idaho DMV Permit Test exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1How many questions are on the Idaho driver license written knowledge test, and how many must you answer correctly to pass?
A.25 questions; 20 correct to pass
B.40 questions; 34 correct to pass
C.50 questions; 40 correct to pass
D.30 questions; 24 correct to pass
Explanation: The Idaho knowledge test has 40 multiple-choice questions, and you must answer at least 34 correctly, which is an 85% passing score. Idaho's 85% threshold is one of the highest in the nation. If you reach 34 correct before finishing all 40 questions, the test ends and you pass.
2Which agency administers the driver license written knowledge test in Idaho?
A.The Idaho Transportation Department (ITD)
B.The Idaho State Police
C.The Federal Motor Carrier Safety Administration
D.The Idaho Department of Motor Vehicles Bureau of Insurance
Explanation: The Idaho Transportation Department (ITD) oversees driver licensing in Idaho, including the written knowledge test, vision screening, and skills test. County sheriff and DMV offices administer the tests on ITD's behalf. ITD also publishes the official Idaho Driver's Manual that the test questions are based on.
3At what minimum age can an Idaho teen obtain a Supervised Instruction Permit (SIP) to begin driver training?
A.13 years of age
B.14 1/2 years of age
C.16 years of age
D.15 1/2 years of age
Explanation: In Idaho, a teen must be at least 14 1/2 years old to apply for a Supervised Instruction Permit (SIP). The SIP allows the teen to take an approved driver-training program and practice driving with a qualified supervising driver. It is the first stage of Idaho's Graduated Driver's Licensing (GDL) program.
4Under Idaho law, every applicant for a driver's license who is under the age of 17 must first complete which requirement?
A.A defensive driving online course
B.An approved driver-education class with classroom, behind-the-wheel, and observation hours
C.A motorcycle safety course
D.Two years of holding a Supervised Instruction Permit
Explanation: Idaho requires all license applicants under age 17 to pass an approved driver-education class. The course includes 30 hours of classroom instruction, 6 hours of behind-the-wheel driving with an instructor, and 6 hours of in-car observation. This requirement is a core part of Idaho's GDL program.
5After completing driver education, how many hours of supervised driving must an Idaho GDL teen complete before getting a license?
A.20 hours, with 5 at night
B.50 hours, with 10 at night
C.100 hours, with 25 at night
D.30 hours, none required at night
Explanation: Idaho requires GDL teens to complete at least 50 hours of supervised driving practice, of which at least 10 hours must be at night. This practice must occur over a period of no less than six months. The supervising driver must be a licensed driver at least 21 years old.
6A teen with an Idaho Supervised Instruction Permit must always be accompanied by a supervising driver who is at least what age?
A.18 years old
B.21 years old
C.25 years old
D.Any licensed adult
Explanation: While driving on a Supervised Instruction Permit, an Idaho teen must be accompanied by a licensed driver who is at least 21 years of age. The supervising driver must occupy the front passenger seat next to the permit holder. This ensures an experienced driver can give guidance and take control if needed.
7During the first six months after an Idaho teen under 17 gets a license, how many passengers under 17 may ride in the vehicle?
A.No passengers under 17 at all
B.No more than one passenger under 17, unless related by blood, adoption, or marriage
C.No more than three passengers under 17
D.Any number of passengers under 17
Explanation: For the first six months after a driver under 17 is licensed in Idaho, the vehicle may carry no more than one passenger under the age of 17. Passengers related to the driver by blood, adoption, or marriage are exempt from this limit. The restriction reduces distraction for inexperienced teen drivers.
8Idaho drivers under the age of 16 are restricted to driving during which hours?
A.Only between 5 a.m. and 9 p.m.
B.Only during daylight hours, defined as 1/2 hour before sunrise to 1/2 hour after sunset
C.Only between 6 a.m. and midnight
D.There are no time restrictions for any licensed driver
Explanation: Idaho drivers under 16 may drive only during daylight hours, defined as one-half hour before sunrise to one-half hour after sunset, unless accompanied by a licensed driver at least 21 years old. This nighttime restriction is part of the GDL program because new drivers face a higher crash risk after dark.
9An Idaho teen must be at least what age to receive a standard driver's license after completing the GDL requirements?
A.14 years old
B.15 years old
C.17 years old
D.18 years old
Explanation: After completing the Supervised Instruction Permit period, driver education, and the required supervised driving hours, an Idaho teen may receive a driver's license at age 15. Drivers licensed before age 17 still face GDL restrictions, such as the passenger limit and nighttime rules, for a period of time.
10What is the fee for the written knowledge test at an Idaho DMV office?
A.Free of charge
B.$5.00
C.$25.00
D.$35.00
Explanation: The Idaho written knowledge test costs $5.00. The driving skills (road) test costs $35.00, and a standard 4-year Class D license for ages 21 and over costs $35.00. Fees are set by the Idaho Transportation Department and collected at county DMV offices.

About the Idaho DMV Permit Test Exam

The Idaho driver license written knowledge test is the 40-question, multiple-choice exam required to earn an Idaho instruction permit or driver's license. Administered by the Idaho Transportation Department (ITD) through county DMV offices, the test covers road signs and signals, right-of-way, speed limits, sharing the road, impaired driving, and Idaho's Graduated Driver's Licensing rules. You must answer at least 34 of 40 questions correctly — an 85% score, one of the highest pass marks in the nation. All questions are based on the official Idaho Driver's Handbook.

Questions

40 scored questions

Time Limit

No fixed time limit (computer-based)

Passing Score

85% (34 out of 40 questions correct)

Exam Fee

$5.00 knowledge test fee (Idaho Transportation Department (ITD))

Idaho DMV Permit Test Exam Content Outline

Core topic

Signs, Signals & Pavement Markings

Traffic signals, stop and yield signs, warning and regulatory signs, and yellow and white lane markings

Core topic

Right-of-Way & Intersections

Four-way stops, roundabouts, uncontrolled intersections, left turns, and railroad crossings

Core topic

Speed Limits & Lane Use

Idaho speed limits up to 80 mph, the basic speed law, passing rules, merging, and lane choice

Core topic

Sharing the Road

Pedestrians, bicyclists, motorcyclists, large trucks, school buses, and Idaho's Move Over law

Core topic

Alcohol, Drugs & Impaired Driving

Idaho BAC limits, zero-tolerance for drivers under 21, implied consent, and DUI penalties

Core topic

Licensing & Graduated Driver Licensing

Supervised Instruction Permit, driver education, GDL passenger and nighttime restrictions

Core topic

Adverse Conditions & Safe Driving

Driving in rain, snow, and fog, skid and hydroplane recovery, following distance, and collisions

How to Pass the Idaho DMV Permit Test Exam

What You Need to Know

  • Passing score: 85% (34 out of 40 questions correct)
  • Exam length: 40 questions
  • Time limit: No fixed time limit (computer-based)
  • Exam fee: $5.00 knowledge test fee

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

Idaho DMV Permit Test Study Tips from Top Performers

1Read the official Idaho Driver's Handbook from the Idaho Transportation Department — every test question is based on it
2Idaho requires 85% to pass (34 of 40), one of the strictest in the U.S., so aim for 90% or higher on practice tests before booking
3Memorize Idaho-specific numbers: 0.08% / 0.02% / 0.04% BAC limits, 50 supervised hours with 10 at night, and the 14 1/2 age for a Supervised Instruction Permit
4Focus on road signs by shape and color — stop, yield, warning, regulatory, and school-zone signs are heavily tested
5Practice right-of-way scenarios at four-way stops, roundabouts, and uncontrolled intersections until they are automatic
6Take timed practice tests covering all topics to find and close your weak areas before test day

Frequently Asked Questions

How many questions are on the Idaho DMV written test?

The Idaho driver license written knowledge test has 40 multiple-choice questions. You must answer at least 34 of them correctly to pass, which is an 85% score. The test is computer-based, and if you reach 34 correct answers before completing all 40 questions, the test ends and you pass.

What score do you need to pass the Idaho knowledge test?

You must score at least 85% on the Idaho knowledge test, which means answering 34 of the 40 questions correctly. Idaho's 85% pass mark is one of the highest in the country — most states require only 80%. If you do not pass, you may retake the test, typically after paying the fee again.

How much does the Idaho written knowledge test cost?

The Idaho written knowledge test costs $5.00, paid at a county DMV office. The driving skills (road) test costs $35.00. A standard 4-year Class D driver's license for ages 21 and over costs $35.00, and an 8-year license costs $60.00. Fees are set by the Idaho Transportation Department.

What are the BAC limits for drivers in Idaho?

Idaho's legal blood alcohol concentration limit is 0.08% for drivers age 21 and older. Drivers under 21 face a zero-tolerance limit of 0.02%, and commercial drivers are limited to 0.04%. By accepting an Idaho license you give implied consent to BAC testing if lawfully arrested for DUI; a first refusal brings a one-year license suspension.

What is Idaho's Graduated Driver's Licensing (GDL) program?

Idaho's GDL program lets teens build driving experience in stages. A teen can get a Supervised Instruction Permit at 14 1/2, must complete an approved driver-education class if under 17, and must log 50 hours of supervised driving including 10 at night. Drivers under 16 may drive only during daylight, and during the first six months an under-17 driver may carry no more than one non-family passenger under 17.

What study material should I use for the Idaho permit test?

All Idaho knowledge test questions are based on the official Idaho Driver's Handbook published by the Idaho Transportation Department (ITD). Study the handbook thoroughly, then use free practice tests to check your knowledge. Because Idaho requires 85% to pass, aim to score 90% or higher on practice tests before testing.