The Illinois written test, explained
People say written test, SOS paperwork says knowledge test. Same exam. Nobody hands you a pencil anymore: you answer on a screen. What matters is the scoring, and here it is with nothing rounded off.
What the questions cover
Everything comes back to the Illinois Vehicle Code, with driver license testing set by 92 Illinois Administrative Code Part 1030: traffic signals and signs, right of way, speed rules, passing and lane use, parking, alcohol limits, and the licensing rules that apply to new drivers. The exam is multiple choice with one correct answer per question.
How to prepare without wasting evenings
Reading rules is passive; retrieval is what sticks. Take a full-length run in the real format, read the explanation on every miss, and let the review deck bring your weak spots back tomorrow. Most people are consistently passing practice runs within a week of short daily sessions.