Illinois: Speed, Right-of-Way & Legal Rules Questions
9 real, verified Illinois driving-test questions on speed, right-of-way & legal rules, each with the correct answer and a full explanation below. Want to practice these interactively instead? Start a Speed, Right-of-Way & Legal Rules practice round.
1. Unless otherwise posted, what is Illinois's default speed limit on interstates and tollways?
Why: Illinois sets a default speed limit of 70 mph on interstates and tollways unless a different limit is posted.
2. Unless otherwise posted, what is the default speed limit in an Illinois alley?
Why: Illinois sets a default alley speed limit of 15 mph unless a different limit is posted.
3. In Illinois, when does the 20 mph school zone speed limit actually apply?
Why: Illinois's 20 mph school zone limit applies specifically between 6:30 a.m. and 4 p.m. on school days, only when children are present and the zone is posted -- not around the clock.
4. In Illinois, if two vehicles arrive at a 4-way stop intersection at exactly the same time, who has the right of way?
Why: When two vehicles reach an Illinois 4-way stop intersection at the same time, the vehicle on the left must yield to the vehicle on the right.
5. In Illinois, how close may an oncoming vehicle be before you must have completed a passing maneuver and returned to your lane?
Why: Illinois law requires a driver to return to their own lane before getting within 200 feet of an oncoming vehicle after passing.
6. Are Illinois construction zones automatically no-passing zones?
Why: Illinois law makes every construction zone a no-passing zone, regardless of markings or whether workers are currently present.
7. In Illinois, how far in advance must a driver signal before turning outside of a business or residential area?
Why: Illinois requires a continuous turn signal for at least 100 feet before turning in business or residential areas, extending to at least 200 feet in other areas.
8. In Illinois, how far must a driver be able to see in all directions before making a U-turn on a curve or hill?
Why: Illinois prohibits U-turns on curves or hills unless the driver can see at least 500 feet in all directions.
9. In Illinois, how much time does a driver have to report a qualifying crash after it happens?
Why: Illinois requires a driver to report a qualifying crash within 30 minutes of it occurring.
More Illinois Topics
- Defensive Driving (4)
- DUI Laws & Penalties (10)
- Emergency Vehicles, School Buses & Work Zones (5)
- Minor & Provisional Licensing (12)
- Parking Rules & Technique (4)
Rules and requirements change — always confirm current details with Illinois SOSbefore your exam. Take the full Illinois practice test or check the Illinois cheat sheet.