Missouri Car / Permit practice
Missouri Car / Permit: Road Signs practice test
Learn the shapes, colors, and meanings of regulatory, warning, and guide signs — from stop and yield to construction and school-zone signs.
Content reviewed against official driver handbooks · August 12, 2026
20 questions · pass with 16 correct. You get instant feedback and an explanation after every answer.
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Study questions with answers
12 sample Road Signs questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
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1. A traffic sign shaped like an eight-sided figure and colored red always instructs a Missouri driver to do what?
Correct answer: Bring the vehicle to a complete halt
Only the stop sign uses a red eight-sided (octagon) shape. It tells you to come to a full stop and go only after the way is clear.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
2. A round yellow sign with a large 'X' and the letters 'RR' tells an approaching driver what?
Correct answer: A railroad crossing is coming up soon
The round advance-warning sign means a railroad crossing lies ahead. Slow down, look for a train, and be ready to stop.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
3. A warning sign indicates that a lane is being added to the road you are on. What does this mean for merging?
Correct answer: No merging is required because a separate lane has been created
An 'Added Lane' sign means the entering traffic gets its own new lane, so no one has to merge.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
4. Signs colored brown with white lettering are used to direct drivers to which kind of place?
Correct answer: Public recreation areas and points of cultural interest
Brown signs guide you to parks, historic sites, and other recreational or cultural destinations.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
5. A yellow warning sign showing a sharp right-angle bend (a turn sign) is generally posted where the recommended speed is what?
Correct answer: 30 mph or less
A turn sign warns of a sharp change in direction where the safe speed is 30 mph or lower, unlike a gentler curve sign.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
6. Rectangular signs that are green with white lettering usually provide what kind of information?
Correct answer: Directions, distances, and the names of destinations
Green guide signs show direction and distance to cities and destinations, helping you navigate.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
7. A diamond-shaped sign with black markings on a yellow background is designed to tell you what?
Correct answer: A possible hazard or change in the road lies ahead
Yellow diamond signs are warnings. They alert you to a hazard or changing conditions so you can slow down and prepare.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
8. What does a yellow warning sign showing a car with curved skid lines under the tires indicate?
Correct answer: The road becomes unusually slick in wet weather
The 'Slippery When Wet' sign warns that the surface loses traction in rain or snow. Slow down and drive carefully.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
9. A yellow warning sign showing arrows forming a circle tells you what is coming up?
Correct answer: A roundabout intersection
The roundabout-ahead sign warns of a circular intersection. Slow down and follow roundabout rules, yielding to traffic in the circle.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
10. You are driving and suddenly see a red-and-white 'Wrong Way' sign facing you. What has happened?
Correct answer: You are heading into traffic coming toward you and must turn around safely
A 'Wrong Way' sign means you are traveling against oncoming traffic. Pull off, turn around, and get back on the correct side as safely as possible.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
11. Signs that are fluorescent orange in color generally tell a driver what?
Correct answer: Road or construction work is taking place ahead
Orange signs mark work zones. Slow down, obey posted instructions, and watch for workers and equipment.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
12. When a regulatory sign shows a red circle with a diagonal red slash across a symbol, it means what?
Correct answer: The action pictured inside the circle is not allowed
A red circle with a slash prohibits the pictured action, such as no left turn or no U-turn.
Source: Missouri Driver Guide, Chapter 7 - Pavement Markings, Traffic Signs, and Signals
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