Illinois road signs practice test
No separate test, but 15 of the 35 questions are traffic-sign identification. Practise the 36 sign questions we wrote from the Illinois handbook, then drill every common sign.
Illinois handbook sign questions
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Question 1What does an eight-sided red sign mean?
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D: Stop. The eight-sided (octagon) red sign means STOP: stop completely at the stop line, before the crosswalk, or before the intersection. Illinois Rules of the Road 2026 (DSD A 112): Shapes of Signs, page 63.
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Question 2A temporary STOP sign has been put up by highway authorities. How should you treat it?
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B: Like a permanent STOP sign. A temporary STOP sign erected by highway authorities must be treated just like a permanent STOP sign. Illinois Rules of the Road 2026 (DSD A 112): Shapes of Signs, page 63.
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Question 3What does this triangular red and white sign mean?
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B: Yield the right of way. The three-sided YIELD sign means slow down and let all traffic and pedestrians go before you proceed, stopping if necessary. Illinois Rules of the Road 2026 (DSD A 112): Yield, page 65.
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Question 4What does a round yellow sign with a black X and the letters RR mean?
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A: Railroad crossing ahead. The round yellow RR sign is an advance warning that a railroad crossing is ahead. Illinois Rules of the Road 2026 (DSD A 112): Railroad Crossings, page 81.
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Question 5In rural areas, how far before a railroad crossing may the round advance warning sign be posted?
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D: Up to 750 feet. The round RR advance warning sign may be placed up to 750 feet before the crossing. Illinois Rules of the Road 2026 (DSD A 112): Railroad Crossings, page 81.
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Question 6What does a five-sided (pentagon) sign mean?
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C: School zone or school crossing. The five-sided yellow or yellow-green sign means a school zone or school crossing. Illinois Rules of the Road 2026 (DSD A 112): Colors of Signs, page 64.
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Question 7What does a yellow pennant-shaped (sideways triangle) sign on the left side of a two-lane road mean?
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A: No passing zone. The yellow, three-sided pennant sign marks the beginning of a no-passing zone and is posted on the left side of the road. Illinois Rules of the Road 2026 (DSD A 112): Colors of Signs, page 64.
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Question 8What color are regulatory signs such as STOP, YIELD, DO NOT ENTER and WRONG WAY?
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D: Red. Red signs are regulatory signs that must be obeyed, including STOP, YIELD, DO NOT ENTER and WRONG WAY. Illinois Rules of the Road 2026 (DSD A 112): Colors of Signs, page 64.
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Question 9What does an orange sign usually indicate?
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D: Construction or maintenance zone warning. Orange is used for warning signs in construction and maintenance zones. Illinois Rules of the Road 2026 (DSD A 112): Colors of Signs, page 64.
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Question 10What does a green sign tell you?
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D: Directions, locations and distances. Green guide signs tell you where you are, which way to go, and the distance to destinations. Illinois Rules of the Road 2026 (DSD A 112): Colors of Signs, page 64.
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Question 11What type of information do blue signs give?
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C: Services along the roadway. Blue guide signs tell you about services along the roadway. Illinois Rules of the Road 2026 (DSD A 112): Colors of Signs, page 65.
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Question 12What are brown signs used for?
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C: Parks and recreation. Brown signs are used for parks and recreation. Illinois Rules of the Road 2026 (DSD A 112): Colors of Signs, page 65.
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Question 13What may pink signs be used for?
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A: Traffic incidents such as crashes and natural disasters. Pink may be used for traffic incident signs warning of unplanned incidents such as crashes and natural disasters. Illinois Rules of the Road 2026 (DSD A 112): Colors of Signs, page 65.
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Question 14Yellow-green (fluorescent) warning signs alert you to what?
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D: Pedestrian and bicycle crossings, playgrounds, school bus stops and school zones. Yellow-green warning signs alert drivers to pedestrian and bicycle crossings, playground areas, school bus stops and school zones. Illinois Rules of the Road 2026 (DSD A 112): Colors of Signs, page 64.
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Question 15What does a diamond-shaped sign mean?
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D: Warning of hazards on or near the road. Diamond-shaped signs are warning signs about hazards or possible hazards; slow down and use caution. Illinois Rules of the Road 2026 (DSD A 112): Shapes of Signs, page 63.
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Question 16You see an 'ALL-WAY' plaque under a STOP sign. What does it mean?
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B: Traffic from all directions must stop; the first to stop goes first. STOP signs are at every approach, so all traffic must stop, and the first driver to stop is the first to go. Illinois Rules of the Road 2026 (DSD A 112): All-Way Stop, page 65.
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Question 17Where are you likely to see a DO NOT ENTER sign?
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C: At one-way streets or ramps you may not enter, such as an expressway exit ramp from the wrong direction. DO NOT ENTER is posted on one-way streets and other roads you may not enter, including expressway ramps approached from the wrong direction. Illinois Rules of the Road 2026 (DSD A 112): Do Not Enter, page 65.
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Question 18What does a WRONG WAY sign tell you?
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C: You are traveling against traffic. WRONG WAY means you are traveling in the wrong direction. It is posted on expressway ramps a short distance past the DO NOT ENTER sign. Illinois Rules of the Road 2026 (DSD A 112): Wrong Way, page 66.
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Question 19A sign shows a red circle with a red slash over a symbol. What does it mean?
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C: The action shown is not allowed. A red circle with a red slash means the action pictured inside is not allowed. Illinois Rules of the Road 2026 (DSD A 112): No (Not Allowed), page 66.
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Question 20On a divided highway, who may use the median openings marked with NO U-TURN signs?
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B: Only authorized vehicles such as police, ambulances and snow plows. Those openings are only for authorized vehicles such as police cars, ambulances, snow plows and maintenance equipment. Illinois Rules of the Road 2026 (DSD A 112): No U-Turn, page 66.
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Question 21What does a NO TURN ON RED sign prohibit?
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D: Right turns on red, and left turns on red from one one-way street to another. NO TURN ON RED prohibits a right turn on a red light, and a left turn on red at intersecting one-way streets. Illinois Rules of the Road 2026 (DSD A 112): No Turn on Red, page 67.
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Question 22What does a KEEP RIGHT sign tell you?
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C: Drive to the right of a traffic island or median, as the arrow shows. KEEP RIGHT tells you to drive on the side the arrow shows when approaching traffic islands, medians or other obstructions. Illinois Rules of the Road 2026 (DSD A 112): Keep Right, page 67.
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Question 23What does a PASS WITH CARE sign mean?
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B: The no-passing zone has ended; pass only when safe. PASS WITH CARE marks the end of the no-passing zone; you may pass only when it is safe. Illinois Rules of the Road 2026 (DSD A 112): Pass with Care, page 68.
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Question 24Which sign is used when it isn't clear where vehicles must stop at a signalized intersection?
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C: STOP HERE ON RED. The STOP HERE ON RED sign shows where to stop at a signalized intersection when it isn't otherwise clear. Illinois Rules of the Road 2026 (DSD A 112): Stop Here on Red, page 68.
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Question 25A pedestrian crosswalk sign may come with what added device to increase driver awareness?
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A: A yellow flashing beacon. Pedestrian crosswalk signs may have a yellow flashing beacon on them to alert drivers to the crossing and pedestrians. Illinois Rules of the Road 2026 (DSD A 112): Pedestrian Crosswalk, page 68.
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Question 26Why are advance warning signs such as SIGNAL AHEAD often used in high-speed areas?
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D: Because it takes a longer distance to slow down or stop. Advance warning signs are used in high-speed areas because of the longer distance needed to slow down or stop. Illinois Rules of the Road 2026 (DSD A 112): Stop Ahead/Yield Ahead/Signal Ahead, page 69.
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Question 27What does this sign with a crossing plus mark mean?
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A: Crossroad ahead. The crossroad sign warns of an intersection ahead where traffic may cross. Illinois Rules of the Road 2026 (DSD A 112): Intersections Ahead, page 70.
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Question 28What does the small speed sign below a curve warning arrow show?
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B: The maximum safe speed for the curve or turn. A small sign below the curve or turn arrow may show the maximum safe speed for that curve or turn. Illinois Rules of the Road 2026 (DSD A 112): Turns and Curves, page 70.
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Question 29What does the slippery pavement sign warn about?
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D: Conditions, especially when wet, that can make you lose control. The slippery pavement sign warns of conditions that can cause loss of control. Slow down on wet pavement because stopping takes longer. Illinois Rules of the Road 2026 (DSD A 112): Slippery Pavement, page 70.
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Question 30How much narrower than the approach pavement is a bridge marked with a NARROW BRIDGE sign generally?
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A: About 2 feet. A narrow bridge is generally 2 feet narrower than the approach pavement. Illinois Rules of the Road 2026 (DSD A 112): Narrow Bridge, page 71.
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Question 31When there is no congestion and a lane reduction is ahead, when should you merge?
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A: As early as possible. When the road isn't congested, merge into the open lane as early as possible. Illinois Rules of the Road 2026 (DSD A 112): Reduction in Lanes, page 71.
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Question 32You are on an expressway and see a MERGE sign near an entrance ramp. What should you do?
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D: Be ready to change lanes or slow down to let ramp traffic merge. The expressway driver should slow down to let the ramp driver merge, or change lanes if possible. Illinois Rules of the Road 2026 (DSD A 112): Merging Lanes, page 72.
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Question 33What does the flagger sign warn you of?
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D: A flagger working close to traffic ahead; slow down and obey their signals. The flagger sign warns of a flagger ahead. Slow down, be ready to obey the flagger's signals, and stop if told to. Illinois Rules of the Road 2026 (DSD A 112): Flagger, page 73.
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Question 34What does an orange triangular emblem on the back of a vehicle mean?
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B: The vehicle is a slow-moving vehicle. The slow-moving vehicle emblem means the vehicle is moving slowly. Slow down and pass only when it is safe and legal. Illinois Rules of the Road 2026 (DSD A 112): Other Special Signs, page 74.
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Question 35How should you treat a railroad crossbuck sign?
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D: Like a yield sign: yield to trains and railroad equipment. A crossbuck is treated as a yield sign: yield to any oncoming trains and railroad equipment. Illinois Rules of the Road 2026 (DSD A 112): Railroad Crossings, page 81.
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Question 36At a crossing with more than one track, where is the number of tracks shown?
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C: On a sign below the crossbuck. If the crossing has more than one track, the number of tracks is on a sign below the crossbuck. Illinois Rules of the Road 2026 (DSD A 112): Railroad Crossings, page 81.
Answer every question to see your score.
Road signs drill
20 random signs from our library of US road signs. Signs are the same in every state under the federal sign manual.
Name the sign
Every road sign explained: shape, color, meaning and what to do.