Illinois: Road signs — Part 1 Practice Test
Questions in this part include: “Which type of sign instructs you on what to do and must be obeyed?” · “What kinds of signs are associated with merging lanes?”
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Questions are original and based on the official manual "Illinois Rules of the Road" (2026), Illinois Secretary of State.
All 19 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
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How should you treat a temporary STOP sign erected by highway authorities?
- As a YIELD sign
- As a suggestion you may ignore when clear
- As a warning sign only
- As if it were a permanent STOP sign
Show answer
Correct answer: As if it were a permanent STOP sign
A temporary STOP sign put up by highway authorities should be treated as if it were a permanent STOP sign.
Source: Illinois Rules of the Road (2026), page 63
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When a STOP sign is handheld by a school guard or flagger, how long must you stay stopped?
- Until the authorized person signals that it is safe to proceed
- For three full seconds, then proceed with caution
- Until the vehicle ahead of you starts moving again
- Until the person holding the sign turns away from you
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Correct answer: Until the authorized person signals that it is safe to proceed
With a handheld STOP sign, you stop until an authorized person, such as a school guard or construction zone flagger, signals that it is safe to proceed.
Source: Illinois Rules of the Road (2026), page 63
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A five-sided school sign shows two children walking with a downward pointing arrow. What does it tell you?
- A playground is nearby
- A school bus stop is ahead
- The school zone has ended
- You are at a school crossing
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Correct answer: You are at a school crossing
If the sign shows two children walking with a downward pointing arrow, you are at a school crossing.
Source: Illinois Rules of the Road (2026), page 64
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A five-sided school sign shows two children walking, with no arrow. What does it tell you?
- A school is nearby
- You are at a school crossing
- A pedestrian bridge is ahead
- Children may not cross here
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Correct answer: A school is nearby
If the sign shows two children walking, a school is nearby.
Source: Illinois Rules of the Road (2026), page 64
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Where does the three-sided yellow NO PASSING ZONE sign appear?
- On the right side of the road at the end of the zone
- On the left side of a two-lane, two-way roadway
- Overhead, above the center of the roadway
- On the right side of a four-lane divided highway
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Correct answer: On the left side of a two-lane, two-way roadway
The NO PASSING ZONE sign appears on the left side of a two-lane, two-way roadway at the beginning of the no-passing area.
Source: Illinois Rules of the Road (2026), page 64
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Which type of sign instructs you on what to do and must be obeyed?
- Warning signs
- Regulatory signs
- Guide signs
- Route markers
Show answer
Correct answer: Regulatory signs
Regulatory signs instruct you on what to do and must be obeyed.
Source: Illinois Rules of the Road (2026), page 65
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Which of these may you see posted underneath a STOP sign at an intersection?
- A 3-WAY, 5-WAY, or ALL-WAY sign
- A YIELD AHEAD or MERGE sign
- A PASS WITH CARE sign
- A SPEED ZONE AHEAD sign
Show answer
Correct answer: A 3-WAY, 5-WAY, or ALL-WAY sign
The manual says you may see 3-WAY, 5-WAY, or ALL-WAY signs underneath the stop sign.
Source: Illinois Rules of the Road (2026), page 65
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If you must stop at a YIELD sign, where should you stop?
- Beside the YIELD sign, even inside the crosswalk
- In the center of the intersection
- At a marked crosswalk or before entering the intersection
- Anywhere past the YIELD sign that seems safe
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Correct answer: At a marked crosswalk or before entering the intersection
At a YIELD sign, when stopping, do so at a marked crosswalk or before entering the intersection.
Source: Illinois Rules of the Road (2026), page 65
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What kinds of signs are associated with merging lanes?
- Only red regulatory signs
- Only guide signs and route markers
- Regulatory signs and guide signs
- Only advisory and warning signs
Show answer
Correct answer: Only advisory and warning signs
There is no regulatory sign associated with merging lanes; there are only advisory and warning signs.
Source: Illinois Rules of the Road (2026), page 65
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Where is a DO NOT ENTER sign posted?
- On one-way streets and roads you may not enter
- At the start of every school zone and playground
- Wherever a two-lane road suddenly narrows
- Before every railroad crossing in rural areas
Show answer
Correct answer: On one-way streets and roads you may not enter
The DO NOT ENTER sign is posted on one-way streets and other roadways where you are not allowed to enter, such as an expressway ramp from the wrong direction.
Source: Illinois Rules of the Road (2026), page 65
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Where will you see a WRONG WAY sign on an expressway ramp?
- At the top of the ramp, before the DO NOT ENTER sign
- At the point where the ramp merges into traffic
- Only at ramps that are closed for construction
- A short distance past the DO NOT ENTER sign
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Correct answer: A short distance past the DO NOT ENTER sign
The WRONG WAY sign is on expressway ramps a short distance past the DO NOT ENTER sign, telling you that you are traveling in the wrong direction.
Source: Illinois Rules of the Road (2026), page 66
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No U-Turn signs may be posted where an opening in a divided highway leads to the other side. Who may use that opening?
- Any driver who has missed an exit
- Trucks and buses only
- Only authorized vehicles
- Any driver, when traffic is light
Show answer
Correct answer: Only authorized vehicles
These openings are only for authorized vehicles such as police cars, ambulances, snow plows, construction/maintenance equipment and other emergency vehicles.
Source: Illinois Rules of the Road (2026), page 66
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What do No Right Turn and No Left Turn signs indicate?
- Turns are allowed only on a green arrow
- No turning in the direction of the arrow
- Turns are allowed only after a complete stop
- Turns are not allowed during rush hour only
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Correct answer: No turning in the direction of the arrow
No Right/Left Turn signs indicate that turns are not allowed in the direction shown by the arrow.
Source: Illinois Rules of the Road (2026), page 66
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On a street posted with One-Way signs, which direction may you travel?
- Either direction if no traffic is coming
- Opposite the arrow when turning into a driveway
- Either direction during nighttime hours
- Only in the direction of the arrow
Show answer
Correct answer: Only in the direction of the arrow
One-Way signs are used on one-way streets or driveways, and you must always go only in the direction of the arrow.
Source: Illinois Rules of the Road (2026), page 67
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What does a No Turn on Red sign prohibit?
- Any turn while the light is green
- Turning left from a two-way street on a green arrow
- Right on red, or left on red between one-way streets
- U-turns at intersections that have traffic lights
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Correct answer: Right on red, or left on red between one-way streets
The sign tells you that a right turn on a red light, or a left turn on a red light at intersecting one-way streets, is prohibited.
Source: Illinois Rules of the Road (2026), page 67
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Instead of the word "red," what may a No Turn on Red sign show?
- A red triangle
- A red circle
- A red square
- A red arrow
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Correct answer: A red circle
The No Turn on Red sign may show a red circle instead of the word red.
Source: Illinois Rules of the Road (2026), page 67
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What does the Approaching a Divided Highway sign tell you?
- The road you are on is about to end ahead
- The road ahead narrows down to a single lane
- You are leaving a divided roadway for a two-way road
- A median divides the road you will turn onto or cross
Show answer
Correct answer: A median divides the road you will turn onto or cross
The sign informs you that a median separates both directions of traffic on the road you are going to turn onto or cross.
Source: Illinois Rules of the Road (2026), page 67
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When you see a Keep Right sign approaching a traffic island or median, what must you do?
- Drive to the side indicated by the arrow
- Drive on whichever side has less traffic
- Stop before passing the traffic island
- Merge into the leftmost lane of traffic
Show answer
Correct answer: Drive to the side indicated by the arrow
The Keep Right sign tells you where to drive around islands, medians, or obstructions; you must drive to the side indicated by the arrow.
Source: Illinois Rules of the Road (2026), page 67
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On a multilane highway with a Slower Traffic Keep Right sign, where should a slow driver drive?
- In the left lane
- In the center lane
- In the right lane
- On the shoulder
Show answer
Correct answer: In the right lane
The sign tells the slow driver to drive in the right lane.
Source: Illinois Rules of the Road (2026), page 67