Overview
Getting a driver's license in Idaho is handled by the Idaho ITD (Idaho Transportation Department) through its DMV division. The process follows the standard path — written knowledge test, instruction permit, road test — with graduated rules for drivers under 18. This guide uses hard numbers from the official Idaho Driver's Manual. Idaho rules change, so always verify the current details on itd.idaho.gov before you apply.
Quick Steps at a Glance
1. Meet the age and identity requirements (you can take the knowledge and skills tests at 15; 18+ can apply directly).
2. Study and pass the written knowledge test — 40 questions, 6 wrong and you fail.
3. Get your instruction permit and complete the supervised practice phase, including night hours.
4. Book an appointment and pass the road test in a properly registered, insured vehicle.
5. Pay the DMV fees (check the official fee schedule — they change) and receive your license.
1. Who Can Apply: Age and Identity Requirements
Teenagers (under 18). Idaho lets you take the knowledge and skills tests at age 15 (per the official driver manual), then work through the instruction permit and supervised practice phases. A parent or guardian must sign the application for minors.
Adults (18 and older). Adults apply directly for a standard Idaho driver's license — there is no mandatory permit waiting period, but you still take the same written test and road test.
Documents. You will need proof of identity and legal presence, your Social Security number, and proof of Idaho residency. The accepted document list is published on the official ITD site and changes over time — check it before your visit. Idaho issues STAR CARD licenses, its REAL ID-compliant option, which is now required for boarding domestic flights and entering federal facilities.
2. The Written Knowledge Test
Idaho's knowledge test covers road signs, right-of-way, speed limits, and the state's distinctive rules: the 0.08% BAC limit for drivers 21 and older, zero tolerance for anyone under 21, and the Move Over law.
Per the official Idaho Driver's Manual, the written test has 40 questions and you fail if you get 6 wrong — you need 34 or more correct. Verify the current format on the official site before your exam — test formats are updated periodically.
Practice before you go: take the free Idaho DMV practice test until you are scoring 85% or higher consistently.
3. Getting Your Instruction Permit
After you pass the written test, you receive an instruction permit. In Idaho, it allows driving only with supervision — a licensed adult must be in the vehicle while you practice.
For minors, the graduated rules are strict:
- The supervised practice phase includes at least 10 hours of nighttime driving (per the official manual).
- Practice hours must be logged and verified by a parent or guardian.
- Restrictions phase out gradually as the driver gains experience.
Adults can use the instruction permit for supervised practice and schedule the road test whenever they feel ready.
4. The Road Test
The road test is scheduled by appointment at a DMV office. You will need:
- Your instruction permit and proof of identity.
- A vehicle with valid registration and insurance, and working lights, horn, turn signals, mirrors, and brakes.
The examiner will test basic vehicle control, lane changes, right-of-way decisions, sign compliance, and parking. Idaho examiners also pay attention to the state's mountain and canyon roads — smooth, controlled driving matters on steep grades. If you fail, you can retake the road test after the waiting period set by the DMV, with a retest fee — check the official site for the current policy.
5. License Fees
Idaho DMV fees for the application, the written test, and the road test are set by the state and change regularly — always check the official DMV fee schedule for current amounts. Teens typically pay separately for driver education courses, and each test retake carries its own fee.
6. Frequently Asked Questions
How many questions are on the Idaho written test?
Per the official Idaho Driver's Manual, the written test has 40 questions and you fail if you get 6 wrong — you need 34 or more correct.
How old do I have to be to take the tests in Idaho?
Per the official driver manual, you can take the knowledge and skills tests at age 15.
What is the STAR CARD?
It is Idaho's REAL ID-compliant license option. A STAR CARD (or another accepted identification) is now required for boarding domestic flights and entering federal facilities.
What should I know about driving in Idaho?
Mountain passes, canyon roads, and winter driving are the defining conditions. The official manual covers winter driving and the state's distinctive road rules.
Where can I practice for the Idaho written test?
The free Idaho DMV practice test mirrors the real exam's format. Start from the Idaho driver's license hub for the complete licensing guide.
Official sources: Idaho ITD/DMV (itd.idaho.gov) · Idaho Driver's Manual (official PDF; p31: age 15 testing + 40 questions/6 wrong; p18: 10 night hours) · research review T-20261102-026. Items marked "check the official site" are subject to change and should be verified before your exam.