An eight-sided red sign always means:
- ACome to a complete stopCorrect
- BYield to traffic
- CSlow down for a curve
- DNo U-turn
Why: A red octagon is a STOP sign; you must stop completely at the marked line or crosswalk, then proceed when it is safe.
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An eight-sided red sign always means:
Why: A red octagon is a STOP sign; you must stop completely at the marked line or crosswalk, then proceed when it is safe.
A driver age 21 or older in Illinois is legally driving under the influence (DUI) at a blood alcohol concentration of:
Why: For drivers 21 and older, a BAC of 0.08% or higher is DUI in Illinois; impairment from alcohol or drugs at lower levels can still bring charges.
The exam itself
| Questions | 35 |
|---|---|
| Sections | Signs & Signals · Rules of the Road & Right of Way · Safe Driving & Sharing the Road · Speed & Conditions · Alcohol, Drugs & IL Penalties and GDL |
| Passing score | 28/35 (80%) |
| Our bank | 27 questions · updated August 2026Written from Illinois Secretary of State |
| Languages | English |
| Source | Illinois Secretary of State |
Questions
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No. Ours is 27 questions in 27 minutes; the real exam is 35 questions. Use the mock for stamina and section timing, not as a score predictor.
28/35 (80%) — as published by Illinois Secretary of State. Confirm the current rule with them before your exam date.