An emergency vehicle with lights and siren approaches from behind. You should:

Pull to the right edge of the road and stop

Illinois SOS Permit Practice Test

The Illinois SOS knowledge test has 35 questions; to pass you need 80% correct (28 of 35 questions). Practice free with questions based on the official Illinois driver handbook, with every answer explained.

Updated on 2026-11-06 · Ver en español

DMVPermitUSA is an independent study tool. It is not affiliated with, endorsed by or operated by the Illinois Secretary of State or any other government agency. Requirements were checked against official Illinois sources (listed below) and can change: always confirm with the SOS before your test.

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Illinois permit test at a glance

Agency	Illinois Secretary of State (SOS)
Test questions	35
Passing score	80% correct (28 of 35 questions)
Minimum permit age	15 years old
Permit holding period	9 months
Supervised driving	50 hours, including 10 at night
Provisional license from	age 16
Full license	at 18
Test languages	The Class D written test is offered in English, Spanish and more than 20 other languages, including Polish.
Official handbook	Illinois Rules of the Road

Try 5 Illinois permit test questions

How many questions are on the Illinois SOS knowledge test? 25 / 35 / 45 / 55. Answer: 35. State rules set a minimum of 35 questions for a Class D license. The test covers traffic sign identification, signals and pavement markings, plus multiple-choice and true/false questions on traffic laws and safe driving. To pass: 80% correct (28 of 35 questions).
In Illinois, what is the legal blood alcohol concentration (BAC) limit for drivers 21 and over? 0.02% / 0.05% / 0.08% / 0.10%. Answer: 0.08%. As in almost every state, the limit in Illinois is 0.08% for drivers 21 and over; 0.04% for commercial drivers, and zero tolerance under 21.
When is it legal to drive faster than the posted speed limit? When passing / When traffic is light / Never / On an empty highway at night. Answer: Never. The posted limit is the maximum in ideal conditions. You must drive slower when weather, traffic or visibility require it (the basic speed law).
What does a red octagonal sign mean? Yield / Stop completely / Slow down / No entry. Answer: Stop completely. The eight-sided red sign is always STOP. Stop completely at the stop line, before the crosswalk or before entering the intersection, then go when it is safe.
An emergency vehicle with lights and siren approaches from behind. You should: Speed up to clear the way / Pull to the right edge of the road and stop / Stop in your lane immediately / Keep driving at the same speed. Answer: Pull to the right edge of the road and stop. Pull over to the right edge of the road, clear of intersections, and stop until the emergency vehicle has passed.

How the Illinois SOS permit test works

The Illinois knowledge test (the learner's permit test) has 35 multiple-choice questions, and to pass you need 80% correct (28 of 35 questions). Every question comes from the official SOS handbook, the Illinois Rules of the Road.

State rules set a minimum of 35 questions for a Class D license. The test covers traffic sign identification, signals and pavement markings, plus multiple-choice and true/false questions on traffic laws and safe driving.

The Class D written test is offered in English, Spanish and more than 20 other languages, including Polish.

Illinois learner's permit requirements

In Illinois you can apply for a learner's permit at 15. Applicants under 18 usually need a parent or guardian's consent.

Teens need parental consent and must be enrolled in an approved driver education course (at least 30 hours of classroom study and 6 hours behind the wheel with a certified instructor). New drivers 18 to 20 who never took driver education must complete a 6-hour Adult Driver Education Course.

Before the road test, teen drivers must hold the permit for at least 9 months. Supervised driving required: 50 hours, including 10 at night.

Proof of identity and date of birth (such as a birth certificate or passport).
Your Social Security number, if you have one.
Proof of Illinois residency.
A vision screening and the knowledge test.

The SOS publishes the exact document list: check it before your appointment, especially if you want a REAL ID-compliant card.

Illinois graduated driver licensing (GDL)

After the learner stage and the road test, teens can get a provisional (intermediate) license from age 16.

Until 18, no driving from 10 p.m. to 6 a.m. Sunday through Thursday, or 11 p.m. to 6 a.m. Friday and Saturday. For the first 12 months (or until 18), only one passenger under 20 is allowed, unless they are your siblings, stepsiblings, children or stepchildren.

Restrictions end and you hold a full, unrestricted license at 18, provided your record stays clean.

Illinois rules worth knowing for the test

Signs and most rules are the same nationwide, but each state has its own laws — and the SOS test asks about them.

A moving violation during the first year of licensing extends the one-passenger limit by six months.
Illinois requires a 6-hour Adult Driver Education Course, taught in class or online by a state-certified provider, for first-time applicants aged 18 to 20.
Anyone caught cheating on the written test is barred from retaking it for 30 days.

What the Illinois knowledge test covers

Topics follow the chapters of the SOS handbook. These are the ones asked most often:

Road signs by shape and color (federal MUTCD standard): see the road signs guide.
Right-of-way at 4-way stops, left turns, crosswalks and for emergency vehicles: right-of-way rules.
Speed limits in mph and the 3-second following rule: speed guide.
Alcohol and drugs: the 0.08% BAC limit, zero tolerance under 21 and implied consent.
Traffic signals and pavement markings, parking, passing, and sharing the road with cyclists, motorcycles and trucks.

How to study for the Illinois permit test

Read the official SOS handbook once cover to cover, then take practice tests by topic to find your weak spots. Once you consistently score above 90%, take a full timed mock exam.

Drill the numbers — ages, distances, speed and BAC limits — they are the most-missed questions. More tips in how to pass the permit test.

How to get your learner's permit in Illinois

Check the minimum age In Illinois, you can apply for a learner's permit at 15.
Complete the required course Teens need parental consent and must be enrolled in an approved driver education course (at least 30 hours of classroom study and 6 hours behind the wheel with a certified instructor). New drivers 18 to 20 who never took driver education must complete a 6-hour Adult Driver Education Course.
Study the handbook and practice Read the official SOS handbook and take practice tests until you pass comfortably.
Gather your documents Proof of identity, Social Security number and Illinois residency; parental consent if under 18.
Pass the vision and knowledge tests To pass you need 80% correct (28 of 35 questions).
Drive supervised Hold the permit for at least 9 months. Supervised driving: 50 hours, including 10 at night.
Take the road test From age 16 you can get a provisional license.

Illinois permit test FAQ

How many questions are on the Illinois permit test?

The Illinois knowledge test has 35 multiple-choice questions. State rules set a minimum of 35 questions for a Class D license. The test covers traffic sign identification, signals and pavement markings, plus multiple-choice and true/false questions on traffic laws and safe driving.

What score do you need to pass the Illinois permit test?

You need 80% correct (28 of 35 questions).

How old do you have to be to get a learner's permit in Illinois?

You can apply at 15. Applicants under 18 usually need a parent or guardian's consent.

How long do you have to hold your permit in Illinois?

At least 9 months for teen drivers. Supervised driving required: 50 hours, including 10 at night.

Can I take the Illinois permit test in Spanish?