Illinois Car / Permit practice
Illinois Car / Permit: Road Signs practice test
Learn the shapes, colors, and meanings of regulatory, warning, and guide signs — from stop and yield to construction and school-zone signs.
Content reviewed against official driver handbooks · August 12, 2026
20 questions · pass with 16 correct. You get instant feedback and an explanation after every answer.
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Up to 20 questions on this topic, with feedback after every answer.
Study questions with answers
12 sample Road Signs questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
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1. What does a yellow diamond-shaped sign showing a tractor mean?
Correct answer: Slow-moving farm equipment may be on the road ahead.
Slow-moving farm equipment may be on the road ahead. (This is the "Farm Machinery" sign.)
2. What does a yellow diamond-shaped sign with a plus-shaped intersection symbol mean?
Correct answer: A crossroad intersection is ahead; watch for entering traffic.
A crossroad intersection is ahead; watch for entering traffic. (This is the "Cross Road" sign.)
3. A round yellow sign showing a black X with the letters 'RR' means what?
Correct answer: A railroad track crosses the road ahead
The round yellow 'RR' sign is an advance warning that a railroad crossing is ahead. Slow down, look, listen, and be ready to stop.
4. You approach a yellow diamond-shaped sign showing a truck on a downhill slope. What does it tell you to do?
Correct answer: A steep downgrade is ahead; use a lower gear and check your brakes.
A steep downgrade is ahead; use a lower gear and check your brakes. (This is the "Hill / Steep Grade" sign.)
5. What does a yellow-green pentagon (five-sided) sign showing two children walking mean?
Correct answer: You are approaching a school zone or school crossing; watch for children.
You are approaching a school zone or school crossing; watch for children. (This is the "School" sign.)
6. Seeing a 'Wrong Way' sign on a ramp tells a driver what?
Correct answer: The vehicle is heading against the legal flow of traffic
A 'Wrong Way' sign appears just past a 'Do Not Enter' sign to warn that you are traveling opposite to the correct direction. Stop and turn around safely.
Source: Illinois Rules of the Road — Regulatory Signs (Wrong Way)
7. You approach a yellow sign posting a maximum height clearance (for example, 12 ft 6 in). What does it tell you to do?
Correct answer: The overpass or structure ahead has limited height clearance.
The overpass or structure ahead has limited height clearance. (This is the "Low Clearance" sign.)
8. What is the correct meaning of a yellow diamond-shaped sign with two vertical arrows pointing opposite ways?
Correct answer: Two-way traffic is ahead; oncoming vehicles share the road.
Two-way traffic is ahead; oncoming vehicles share the road. (This is the "Two-Way Traffic" sign.)
9. What does a yellow diamond-shaped sign with three curved arrows forming a circle mean?
Correct answer: A roundabout (circular intersection) is ahead; slow down and prepare to yield.
A roundabout (circular intersection) is ahead; slow down and prepare to yield. (This is the "Roundabout Ahead" sign.)
10. A red sign shaped like an eight-sided octagon requires a driver to do what?
Correct answer: Make a full stop before the limit line or intersection
The only sign shaped as an octagon is the STOP sign. You must halt completely at the stop line, or before the crosswalk or intersection if none is marked.
Source: Illinois Rules of the Road — Roadway Signs (Shapes of Signs)
11. You approach a yellow diamond-shaped sign showing a leaping deer. What does it tell you to do?
Correct answer: Deer may cross the road ahead; be alert, especially at dawn and dusk.
Deer may cross the road ahead; be alert, especially at dawn and dusk. (This is the "Deer Crossing" sign.)
12. What is the correct meaning of a yellow diamond-shaped sign showing a car with wavy skid marks?
Correct answer: The road is slippery when wet; slow down and avoid hard braking.
The road is slippery when wet; slow down and avoid hard braking. (This is the "Slippery When Wet" sign.)
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