Illinois Driving Theory Test FAQ
The questions learners ask most before and around test day — process and logistics, not rules. Have a more general question that isn't specific to Illinois? Check the general FAQ instead.
Looking for the rules likely to be on the actual test?Read the Illinois cheat sheet →How many questions are on the Illinois written exam?
35 questions — 20 on traffic laws and 15 on identifying traffic signs by shape, color, and symbol.
What score do I need to pass?
80% correct — you need at least 28 of the 35 questions right.
How much does an Illinois driver's license cost?
$30 for a standard license (ages 21-68). Fees are age-tiered — $5 for ages 18-20 and 69-80, $2 for ages 81-86, and free at 87+. An instruction permit is $20.
What documents do I need to bring?
Proof of identity, your Social Security number, proof of Illinois residency, and proof of signature.
How many times can I retake the exam if I fail?
3 attempts per exam within one year of paying your application fee. Cheating results in a 30-day ban on retaking it.
Can I take the Illinois written test online?
No — both the written and driving exams require an in-person visit to a Secretary of State facility.
How old do I have to be to get an Illinois driver's license?
16, though most people start with a learner's instruction permit at 15 while enrolled in driver's education.
How long is an Illinois instruction permit valid?
Up to 24 months — but it must be held at least 9 consecutive months before you can apply for a license if you're under 18.
I just moved to Illinois. How long do I have to get an Illinois license?
90 days from moving, or before your out-of-state license expires, whichever comes first.
Is usdriving.net's Illinois practice test actually free?
Yes — every practice question, the cheat sheet, and this FAQ are free, with no account or sign-up required.
Rules, fees, and requirements change — always confirm current details withIllinois SOS before your exam. FAQ v1.0, last checked 2026-07-27.