Illinois Traffic Sign Identification Test – 15 Sign Questions



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#1. You are driving in the left-hand lane when you approach this sign. What should you do?

Reduction of lanes (there will be fewer lanes ahead).

These signs are used on multi-lane highways to warn you of a reduction in the number of traffic lanes in the direction you are traveling. Be prepared to change lanes or to allow other vehicles to merge into your lane. Drivers of all vehicles may need to adjust their speed and position to avoid a collision with another vehicle.


#2. You see this road sign. What does it tell you?

The dirt on the side of the pavement is soft and can be dangerous. Use extreme caution and stay on the pavement.


#3. What does this sign mean?

Keep Left. This sign tells a driver where to drive when approaching traffic islands, medians or other obstructions in the middle of the roadway. A driver must drive to the side indicated by the arrow.


#4. What does this sign mean?

The three-sided (triangle) sign tells you to give the right-of-way to all vehicles and pedestrians near you. Slow down to a safe speed and stop if necessary.


#5. Which is the meaning of this sign?

There is a traffic signal ahead. Although the traffic signal may not yet be visible, it is close enough to require you to start slowing down. Advance warning signs also are used in high-speed areas because of the longer distance needed to slow down or stop.


#6. If you see this sign in front of you, it tells you that:

The do not enter sign is posted on one-way streets and other roadways where a driver is not allowed to enter. A driver may see this sign if attempting to enter an expressway ramp in the wrong direction. The sign is an example of a square, red, and white regulatory sign.


#7. What does this sign mean?

This is a regulatory No Right Turn sign. It means that you are not allowed to turn right at the intersection.


#8. You approach this road sign. What does it mean?

Side Road Ahead. Another road enters the road from the direction shown on the sign.

This type of sign is used in advance of an intersection to indicate the presence of an intersection and the possibility of turning or entering traffic.


#9. You approach this road sign. What does it tell you?

Divided highway ends. The sign is posted just before the divided highway ends. Be careful as you near the end of a divided highway. Two-way traffic will begin.


#10. A five-sided sign means:

This five-sided sign is shaped like an old school house. It is yellow or yellow-green with black symbols. It means either school zone or school crossing. If the sign shows two children walking, a school is near. If the sign shows two children walking with a downward pointing arrow, you are at a school crossing.


#11. The road is wet when you approach this sign. Which of the following is most likely to cause a problem?

Slippery when wet. All roads are slippery and dangerous when wet. This sign warns of conditions that can cause you to lose control of your car. You should slow down because it takes longer to stop on slippery pavement. The road surface of a bridge may be dangerous in winter because it may remain icy after the rest of the roadway is clear.

In wet or cold weather, drive slowly. Do not speed up or brake hard. Make sharp turns at a very slow speed.


#12. This sign added to a stop sign means:

When you see the 4-way or all-way sign all approaching traffic to this intersection must stop. The first driver to stop is the first driver to go. Other drivers must wait their turn.


#13. You approach this sign. What should you expect ahead?

Sharp Turn. Road ahead makes a sharp turn in the direction of the arrow (right). Slow down, keep right, and do not pass.


#14. This sign means:

This sign is posted for those driving slower than the normal speed of traffic on some multilane highways. It tells the slow driver to drive in the right lane.


#15. Road signs with orange background are used:

Orange is used as a background color for construction and maintenance warning signs. They alert you to possible dangers ahead due to construction and maintenance projects.

See result

Illinois Written Test

Key numbers for the official Illinois Written Test:

Number of Questions: Part I (Traffic signs): 15
Part II (Traffic laws): 20
Total: 35
Correct answers needed: 28
Passing score: 80 percent
Time limit: No limit
Earliest retest upon failure: 1 day

The Knowledge Examination has Two Parts

The Illinois exam consists of two parts.

The first part (this test) has 15 questions asking about common traffic signs described in Rules of the Road .

The remaining 20 questions will either be multiple-choice or true-false questions about Illinois traffic laws and safe driving.

This Illinois traffic sign identification practice test helps you make sure you have learned all the road signs, including the use of shapes and colors.

It is a randomized practice test that pulls questions from a larger pool of questions, which means that each time you take the test it will look slightly different and have new questions.

Download Rules of the Road

Before you start, make sure you get a copy of the handbook “Rules of the Road”. Everything you need to learn is found in this booklet.

The Second Part of Your Test

Make sure you practice the second part as well.

  Illinois Road Rules Test

Illinois Road Rules Written Exam

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