Illinois Traffic Sign Identification Test – 15 Sign Questions



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#1. This sign means:

Winding Road. There are several curves ahead. Slow down and drive carefully.


#2. What does this sign mean?

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.


#3. This sign tells you:

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


#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. What does this sign mean?

Stop sign ahead. When you come to this sign, you should slow down and be ready to stop at the stop sign ahead.

Although the stop sign may not yet be visible, the sign 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. A guide or information sign helping you to get off a highway at the correct exit has the following color:

Green is used for guide signs. These signs tell you where you are, which way to go and the distance.


#7. What does this sign mean?

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.


#8. A warning sign with these symbols has the following shape:

This round sign means railroad crossing ahead. Railroad crossing signs are yellow with a black crossbuck X and the letters RR.


#9. True or false? This sign means you are nearing the end of a divided highway.

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 combination of these two signs tells you:

Pedestrian crossing. A separate downward-pointing arrow plaque indicates the actual location of the crosswalk.


#11. What does this sign mean?

This sign warns there is a flagger ahead. A driver should use caution when approaching a flagger as the individual will be working close to traffic. A driver should slow down and be prepared to obey the signals of the flagger. A driver must stop if signaled to do so.


#12. This sign means you should be prepared:

This sign tells you that two lanes of traffic going the same direction will soon merge into one lane. Be ready to either change lanes or allow other traffic to merge into your lane. Merge signs appear on expressways just before expressway ramps. The driver on the expressway slows down to let the driver on the ramp merge.


#13. When you have passed this sign:

This sign tells you that you are at the end of the no-passing zone. You may pass now only when it is safe.


#14. This sign tells you:

This is an advisory speed sign. It shows the recommended speed, at which the exit ramp from an expressway may be traveled safely.


#15. What does this sign mean?

T-intersection. You must turn either left or right at the T-intersection ahead.

Remember, you must yield to cross traffic when on the terminating highway of a T-intersection with no traffic control signs or signals.

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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