Illinois Road Signs Test (2026)
Every road sign on the Illinois exam, with what it means. Free and unlimited.
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What this test covers
This draw of 40 questions breaks down like this:
- Traffic Signs & Signals — 15
- Sharing the Road — 7
- Traffic Lanes, Passing & Turning — 4
- Right-of-Way & Intersections — 3
- Signaling & Communication — 3
- Speed Limits & Speed Management — 3
- Adverse Conditions — 2
- Alcohol, Drugs & the Law — 2
- Emergencies & Crashes — 1
Heaviest on Traffic Signs & Signals (15 of 40) — that is the section to revise first if you miss several here.
3 are Illinois-specific questions, drawn from the state handbook rather than general road rules.
Each test on this site draws a different set, so Test 1, 2 and 3 never repeat a question.
Questions on this test
1. Inside a roundabout, vehicles already circulating have:
- To yield to you
- To stop
- The right-of-way
- No rights
Show answer
Answer: The right-of-way
Yield to vehicles already in the roundabout before you enter.
2. A pedestrian is crossing at a corner that has no traffic signal. You should:
- Speed up to pass first
- Proceed — you have the right-of-way
- Yield and let the pedestrian cross safely
- Honk and continue
Show answer
Answer: Yield and let the pedestrian cross safely
Yield to pedestrians crossing at intersections, even where there is no signal or painted crosswalk.
3. What does this hand signal mean?
- Go
- Stop or slow
- Left turn
- Right turn
Show answer
Answer: Right turn
Left arm bent upward = a right turn.
4. On entering a sharp curve too fast, you risk:
- A ticket only
- Losing traction and running off the road
- Better handling
- Nothing
Show answer
Answer: Losing traction and running off the road
Too much speed in a curve can break traction and send you off the road — slow before it.
5. When turning at an intersection, watch especially for:
- Trucks only
- Only cars
- Pedestrians crossing the road you're turning onto
- Nothing
Show answer
Answer: Pedestrians crossing the road you're turning onto
Pedestrians may be crossing the street you turn into — yield to them.
6. A pennant-shaped (sideways triangle) sign on the left means:
- Dead end
- Yield
- No passing zone
- School zone
Show answer
Answer: No passing zone
The pennant marks the start of a no-passing zone.
7. A pentagon-shaped sign means:
- Hospital
- No passing
- Dead end
- School zone or school crossing
Show answer
Answer: School zone or school crossing
The five-sided pentagon marks a school zone or crossing.
8. On a two-lane road, you normally pass another vehicle on which side?
- The left
- The right
- The shoulder
- Either side
Show answer
Answer: The left
Pass on the left. Passing on the right is allowed only in limited situations.
9. What does this sign warn of?
- A yield sign ahead
- A dead end
- A stop sign ahead
- A rest area
Show answer
Answer: A yield sign ahead
A yield-ahead sign warns that a yield is coming up — be ready to give the right-of-way.
10. At a four-way stop, you should proceed:
- Whenever you want
- After honking
- Only if biggest
- In the order vehicles arrived and stopped
Show answer
Answer: In the order vehicles arrived and stopped
Go in arrival order; if you tie, the driver on the right goes first.
11. You should slow down before, not during, a curve because:
- Braking hard in a curve can cause a skid
- It looks better
- It saves gas
- The limit requires it
Show answer
Answer: Braking hard in a curve can cause a skid
Brake before the curve; braking or accelerating hard mid-curve can break traction.
12. People with disabilities, seniors, and children may:
- Cross only at lights
- Need extra time to cross — be patient and yield
- Be ignored
- Always move fast
Show answer
Answer: Need extra time to cross — be patient and yield
Give vulnerable pedestrians extra time and space to cross.
13. Following too closely behind a large truck is dangerous because:
- You can't see ahead and you're in its rear blind spot
- It's loud
- It uses fuel
- It's slow
Show answer
Answer: You can't see ahead and you're in its rear blind spot
Tailgating a truck blocks your view and puts you in its rear No-Zone.
14. What does this hand signal mean?
- Left turn
- Stop or slow down
- Speed up
- Right turn
Show answer
Answer: Stop or slow down
Left arm bent downward = stop or slow down.
15. What does this orange sign with a bending arrow mean?
- Road closed permanently
- One way
- Merge
- Detour — follow the marked alternate route
Show answer
Answer: Detour — follow the marked alternate route
An orange detour sign directs you along a temporary alternate route.
16. The best place to be around a large truck is:
- Where you can see the driver's mirrors
- Right beside the cab
- In front, braking
- Directly behind it
Show answer
Answer: Where you can see the driver's mirrors
If you can see the mirrors, the driver can see you. Avoid the No-Zones.
17. A motorcycle in Illinois is entitled to:
- A full lane of travel
- The shoulder only
- Half a lane
- No lane
Show answer
Answer: A full lane of travel
Motorcycles are entitled to a full lane.
18. What does this sign warn of?
- A traffic signal ahead — be prepared to stop
- A rest area
- A gas station
- A school
Show answer
Answer: A traffic signal ahead — be prepared to stop
A signal-ahead sign warns a traffic light is coming up; be ready to stop.
19. Green highway signs give you:
- Warnings of hazards
- Directions, distances, and destinations
- Traffic laws
- Recreation information
Show answer
Answer: Directions, distances, and destinations
Green guide signs show directions, distances, and destinations.
20. If your right wheels drift onto the shoulder, you should:
- Ease off the gas and steer back gently when it's safe
- Speed up
- Jerk the wheel back onto the road
- Brake hard
Show answer
Answer: Ease off the gas and steer back gently when it's safe
Don't jerk the wheel — slow down and steer back onto the pavement smoothly.
21. A yield sign is shaped as a(n):
- Downward triangle
- Rectangle
- Octagon
- Circle
Show answer
Answer: Downward triangle
The yield sign is a downward-pointing triangle.
22. What does this sign mean?
- Trucks are not allowed on this road
- Truck route
- Truck parking
- Weigh station
Show answer
Answer: Trucks are not allowed on this road
A truck with a red slash means trucks are prohibited on that road.
23. A truck ahead of you swings wide to the left before turning right. You should:
- Pass on its right side
- Honk and go around
- Speed up on the left
- Not try to pass on the right — it needs the room to complete the turn
Show answer
Answer: Not try to pass on the right — it needs the room to complete the turn
Trucks swing wide to turn. Never squeeze up on the right of a right-turning truck.
24. What does this sign warn of?
- A detour
- A winding road — a series of curves ahead
- A one-way street
- A racetrack
Show answer
Answer: A winding road — a series of curves ahead
This warns of a winding road (several curves). Reduce speed.
25. There is no amount of alcohol that is proven 'safe' before driving because:
- It's expensive
- It tastes bad
- Even small amounts impair skills you need
- Rules change
Show answer
Answer: Even small amounts impair skills you need
Impairment begins with the first drink — the safest amount before driving is none.
26. What does this sign mean?
- No U-turn
- Stop
- Yield
- Do not enter
Show answer
Answer: Yield
A downward triangle is a YIELD sign — slow down and give the right-of-way; stop if needed.
27. When roads are wet, you should increase your following distance to:
- The same 3-4 seconds
- More than the normal 3-4 seconds
- Zero
- 1 second
Show answer
Answer: More than the normal 3-4 seconds
Wet roads lengthen stopping distance — leave more than the normal following gap.
28. When entering an interstate from an on-ramp, you should:
- Use the acceleration lane to reach highway speed, then merge into a gap
- Merge slowly below traffic speed
- Stop and wait for a gap
- Enter from the shoulder
Show answer
Answer: Use the acceleration lane to reach highway speed, then merge into a gap
The acceleration lane lets you match highway speed so you can merge smoothly into a gap.
29. Illinois uses Zero Tolerance for drivers under 21, suspending the license for:
- Any trace of alcohol
- .05+
- Nothing
- Only .08+
Show answer
Answer: Any trace of alcohol
Under 21, any trace of alcohol results in suspension (Zero Tolerance).
30. A sign of this shape and color indicates:
- A construction or work zone
- A hospital zone
- A scenic route
- A school zone
Show answer
Answer: A construction or work zone
Orange means a construction or maintenance work zone — slow down and watch for workers.
31. What does this sign mean?
- A hospital
- A bus stop
- A playground
- A pedestrian/school crossing — watch for people
Show answer
Answer: A pedestrian/school crossing — watch for people
This marks a pedestrian or school crossing; be ready to yield to people crossing.
32. A safe following distance in normal conditions is at least:
- Three to four seconds
- Two seconds
- One second
- Half a second
Show answer
Answer: Three to four seconds
Keep a minimum of three to four seconds; increase it in poor conditions.
33. At a four-way stop with a car directly across turning left as you go straight:
- Both stop forever
- You (going straight) generally have the right-of-way
- They go first
- Largest goes
Show answer
Answer: You (going straight) generally have the right-of-way
Through traffic generally has priority over a car turning left across your path.
34. If your car goes into a skid, you should:
- Turn the wheel opposite
- Accelerate hard
- Slam on the brakes
- Ease off the gas and steer in the direction you want the front of the car to go
Show answer
Answer: Ease off the gas and steer in the direction you want the front of the car to go
Take your foot off the gas and steer where you want to go; avoid slamming the brakes.
35. A steady yellow traffic light means:
- Speed up to beat the red
- The light is about to turn red — stop if you can do so safely
- Go, the intersection is yours
- Yield only to pedestrians
Show answer
Answer: The light is about to turn red — stop if you can do so safely
Steady yellow warns the signal is about to turn red. Stop if you can do so safely.
36. A blue sign with an 'H' or a bed symbol tells you:
- A speed limit
- Where to find services like hospitals or lodging
- A construction zone
- A warning
Show answer
Answer: Where to find services like hospitals or lodging
Blue guide signs point to services — hospitals, lodging, gas, food.
37. An arm extended straight out the driver's window means:
- Right turn
- Stop
- Left turn
- Slow
Show answer
Answer: Left turn
Arm straight out = left turn.
38. The acceleration lane on a highway on-ramp is for:
- Passing
- Speeding up to match traffic before merging
- Parking
- Stopping
Show answer
Answer: Speeding up to match traffic before merging
Use it to reach highway speed so you can merge into a gap smoothly.
39. When another driver is trying to pass you, you should:
- Speed up
- Brake hard
- Maintain speed or slow slightly and stay right
- Move left
Show answer
Answer: Maintain speed or slow slightly and stay right
Help them pass: keep right and don't speed up.
40. What does this orange sign mean?
- Road work ahead — slow down
- School zone
- Recreation area
- Detour ended
Show answer
Answer: Road work ahead — slow down
An orange road-work-ahead sign means a work zone is coming; reduce speed and watch for workers.
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