The Illinois written test covers road signs, traffic laws, and safe driving practices

The Illinois Secretary of State administers a written test as part of the driver's license process. The test has 35 questions, and you must answer at least 28 correctly to pass — that is an 80 percent score. The questions come from the Illinois Driver's Manual, which is free and available online at cyberdriveillinois.com or in print at any Secretary of State office.

The test is taken on a computer at a Secretary of State Driver Services facility. You have no time limit to complete it, though most people finish in 15 to 20 minutes. If you fail, you can retake it the same day or return another day; there is no waiting period between attempts in Illinois.

The test is offered in English and Spanish. If you need the test read aloud or in large print, request accommodations when you schedule your appointment or arrive at the facility.

Key Takeaways

  • You must score at least 28 out of 35 questions correct to pass the Illinois written test.
  • All test questions come directly from the Illinois Driver's Manual, which you can read free online before your test date.
  • The test is computer-based with no time limit, and you can retake it when ready if you do not pass on your first attempt.
  • Road signs, right-of-way rules, and safe driving practices make up the majority of the test content.

What topics the test covers

The Illinois written test draws from five main areas covered in the Driver's Manual. Road signs and their meanings account for a significant portion — you will see questions about warning signs, regulatory signs, and guide signs. Traffic laws and right-of-way rules are heavily tested, including questions about speed limits, passing, turning, and who has the right of way at intersections and roundabouts.

Safe driving practices and hazard awareness make up another large section. Expect questions about following distance, driving in bad weather, sharing the road with pedestrians and cyclists, and what to do if your brakes fail or your vehicle skids. Questions about parking rules, seat belt laws, and child passenger safety also appear regularly.

A smaller number of questions cover vehicle equipment and maintenance — things like when your headlights must be on, what your mirrors should show, and what to do if a warning light comes on. A few questions address the consequences of traffic violations and impaired driving laws.

How the test questions are formatted

Every question on the Illinois test is multiple choice with four answer options. You select your answer on the computer screen by clicking the option you believe is correct. The questions do not appear in any particular order — you might see a road sign question, then a right-of-way question, then a safe driving question.

Some questions show a picture of a road sign or a traffic scenario. For example, you might see a photo of a diamond-shaped yellow sign and be asked what it means, or see a diagram of an intersection and be asked who has the right of way. Other questions are text-only and ask you to choose the correct statement about a traffic law or safe driving practice.

You can review your answers before you submit the test. If you want to change an answer, you can go back and click a different option. Once you submit, your score appears on the screen when ready.

How to prepare using the Illinois Driver's Manual

The Illinois Driver's Manual is organized by topic and is the only source you need to study. read it from cyberdriveillinois.com or pick up a printed copy at any Secretary of State office. Read through the entire manual at least once, paying close attention to the sections on road signs, right-of-way rules, and safe driving practices.

As you read, take notes on topics that seem confusing or that you read twice. Road signs are often the hardest part for new test-takers, so spend extra time on the sign section. The manual includes pictures of every sign you might see on the test, along with what each one means and when you will encounter it on the road.

After you finish reading, go back and review the sections you marked. Some people find it helpful to make flashcards of road signs or to draw the signs from memory and then check the manual. Others read the manual out loud or have someone quiz them on the content.

Common mistakes test-takers make

The most frequent error is confusing similar road signs. For example, test-takers often mix up the "Yield" sign (red and white triangle) with the "Do Not Enter" sign (red rectangle), or confuse warning signs that look alike. Spend time studying the differences between signs that look similar, not just memorizing individual signs.

Another common mistake is misunderstanding right-of-way rules at intersections. Many people think they have the right of way when they actually do not. Read the manual's section on intersections carefully, and pay attention to the rules for four-way stops, traffic lights, and turning across traffic.

Some test-takers rush through the test and click an answer without reading all four options. Even though there is no time limit, take your time and read each option fully before choosing. The wrong answers are often designed to catch people who are not paying close attention.

Finally, do not rely on guessing or on what you think you know from driving experience. Stick to what the manual says. Illinois test questions are based on the manual, and the manual is the official source of correct answers.

What happens after you pass or fail

If you pass the written test, you move forward in the licensing process. Depending on your age and license type, you may need to take a road test next, or you may be able to get your license when ready. The Secretary of State office will tell you what your next step is.

If you do not pass, you receive a score report showing how many questions you got right and which topics you missed. You can retake the test right away or come back another day. Most people who study the manual a second time and focus on their weak areas pass on the next attempt.

There is no fee to retake the test in Illinois. You only pay the license fee once you pass both the written and road tests (or once you pass the written test if you are not required to take a road test).

Frequently Asked Questions

Can I bring the Illinois Driver's Manual with me to the test?

No. The test is closed-book. You cannot bring the manual, notes, or any other materials into the testing area. You must study and memorize the information before you arrive at the Secretary of State office.

What if I fail the written test twice?

You can retake it as many times as you need. There is no limit on the number of attempts, and there is no waiting period between tries. Each time you take it, you pay only the test fee (if any applies to your situation). Focus your study on the topics where you scored lowest.

Are the test questions the same every time I take it?

No. The questions are drawn from a large pool of questions based on the Driver's Manual, so you will see different questions each time you test. This is why studying the manual itself is more important than trying to memorize specific questions.

Do I need to pass the written test before I can take the road test?

Yes. You must pass the written test first. Once you pass, you can schedule your road test. Some people pass the written test and take the road test on the same day, depending on availability at your local Secretary of State office.

What if I am deaf or hard of hearing?

Tell the Secretary of State office when you schedule your appointment or when you arrive for your test. They can provide a sign language interpreter or other accommodations. The test itself can be taken in writing with no changes to the content or passing score.