Illinois Traffic Sign Identification Test – 15 Sign Questions



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#1. Orange road signs indicate:

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.


#2. This sign tells you that:

This is a regulatory No U-turn sign. It means that you are not allowed to make a U-turn.


#3. An all-way supplemental plaque is used together with which sign?

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.


#4. What does this sign mean?

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


#5. This sign tells you:

This is a regulatory speed limit sign. It shows the minimum speed you are allowed to travel. Driving slower than the minimum speed limit is illegal, unless necessary for safety


#6. What does a sign like this indicate?

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


#7. What does this sign mean?

Pedestrian crossing. This sign tells you that you are near an area where a large number of pedestrians cross the street. Slow down and watch for people crossing the street on foot. Pedestrians in crosswalks must be given the right-of-way at all times.


#8. What road signs have an upside-down triangle shape?

This three-sided sign means yield the right-of-way. You must let all traffic and pedestrians near you go before you proceed. Yield signs are red and white.


#9. When you see this sign, you must:

Keep Right. 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.


#10. You see a sign with this shape from a distance. What should you expect ahead?

This three-sided sign is shaped like a pennant. It is yellow with black wording. The sign will appear on the left side of a two-lane, two-way roadway. It is posted at the beginning of a no-passing zone where no-passing pavement markings are also used.


#11. 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.


#12. What does this sign tell you?

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.


#13. This sign means:

Crossroad. A road crosses the main highway ahead. Look in all directions for other traffic.


#14. Red and blue signs in the shape of a shield mark:

This is an example of an Interstate route sign.

The interstate system has route markers in the shape of a shield. The top carries the legend interstate in white letters on a red background. The bottom is blue with the route number in large white letters.

Remember, the shape and color of route number signs indicate the type of roadway: interstate, U.S., state, city or county road. When planning a trip, use a road map to determine your route. During the trip, follow the route signs to prevent you from getting lost.


#15. True or false? A merge sign means drivers should be prepared to change lanes or allow other traffic to come into their lane.

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.

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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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