Missouri Road Signs Practice Test
Sharpen the skill the Written test (part of the four-part Missouri driver examination, which also includes vision, road sign, and driving tests) leans on most: 25 questions on road sign shapes, colors, and meanings, each explained in plain English. The real DOR Written test (part of the four-part Missouri driver examination, which also includes vision, road sign, and driving tests) has 25 questions, and you need 20 correct (80%) to pass.
Tap an answer. The explanation opens so you can learn it, then go on. Keyboard: A–D or 1–4 to answer, then Enter or Space.
Question 1 of 25
1. On a rural road at dusk you pass a yellow diamond sign showing a leaping deer. What is the proper response?
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Correct answer: A. A deer crossing sign marks a stretch where animals often enter the road, so slow down and watch the shoulders, particularly around dawn and dusk. Deer travel in groups, so one crossing usually means more are coming. Where there's one, expect another.
2. An orange sign with a black arrow reads DETOUR. What is this sign telling you?
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Correct answer: A. Detour signs guide you along a temporary route when the normal road is closed, often for construction or an emergency. Keep following the arrows until the detour ends, and the route will return you to your original road.
3. A yellow diamond sign shows a side lane curving in to join the main road ahead. You are on the main road. What does the sign mean?
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Correct answer: C. A merge sign warns that another roadway joins yours ahead. Entering drivers must yield, but you should adjust your speed or change lanes when safe to open a gap. Merging works best when both drivers cooperate like a zipper.
4. A brown sign with white recreation symbols appears beside the highway. What kind of information is it giving?
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Correct answer: B. Brown signs point to cultural and recreation destinations. They do not change the speed limit or right-of-way. Use them to find the park; keep obeying the white and yellow signs for the rules.
5. Without reading any words, what does a yellow, diamond-shaped sign tell you?
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Correct answer: C. Yellow diamonds are warning signs: they alert you to hazards or changing conditions such as curves, intersections, or merging traffic. They advise rather than order. Shape and color alone should make you lift off the gas.
6. On a multilane highway, white lines separate the lanes. What does the white color tell you about the traffic around you?
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Correct answer: B. White lines divide lanes of traffic that flow the same way, while yellow divides opposing flows. Reading line color at a glance tells you instantly where oncoming cars can be. White means with you, yellow means toward you.
7. Which sign shape and color combination marks an interstate route?
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Correct answer: D. Interstate routes are marked by a shield split into a red band on top and a blue field below, with white numbers. Spotting the shield quickly helps you follow or avoid a freeway. Shield equals interstate.
8. A yellow diamond shows a bicycle and the words SHARE THE ROAD. What is it asking you to do?
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Correct answer: B. Share-the-road warnings remind you that bicyclists are legal traffic. Slow, wait for a clear gap, and pass with generous space. The sign exists because drivers otherwise squeeze bikes toward the gutter.
9. A white rectangular sign reads WRONG WAY. You have just entered a ramp. What is the safest first move?
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Correct answer: C. WRONG WAY means you are driving toward oncoming traffic. Stop without blocking others if you can, then leave the roadway the way you came or wait for help. Continuing forward is how head-on crashes start.
10. A yellow diamond sign shows a small red stop sign symbol with an upward arrow. What should you do when you see it?
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Correct answer: C. A stop-ahead warning is used where the actual stop sign is hidden by a curve, hill, or trees. Start braking as soon as you see it, since the real stop will appear with little warning.
11. Ahead of a raised concrete median you see a white sign reading KEEP RIGHT with an arrow curving to the right. What should you do?
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Correct answer: A. KEEP RIGHT tells you the roadway splits around an island, median, or obstruction, and all traffic must pass on the right side. Passing left would put you into oncoming lanes. Follow the arrow around the obstacle, then continue straight.
12. A yellow diamond-shaped sign ahead shows a black walking figure. As you approach the marked crossing, what is the required response?
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Correct answer: B. A pedestrian crossing warning sign means people may be entering the roadway ahead, so reduce speed and prepare to stop. Pedestrians lose in a collision with a car. Treat the walking figure as a person already stepping off the curb.
13. A yellow diamond sign ahead displays a bold T symbol. What does this sign mean you will have to do soon?
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Correct answer: D. A T-symbol warning means your road dead-ends at a cross street, so you must slow, yield to crossing traffic, and turn left or right. The letter T shows exactly how the roads meet ahead.
14. A round yellow sign with a black X and the letters RR is posted well before a crossing. What does that advance sign tell you?
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Correct answer: A. The circular railroad advance sign gives you time to slow, scan both ways, and be ready to stop. Do not stop on the tracks. Circle plus X means rails are coming; the crossbuck at the tracks is the actual yield-to-train sign.
15. Which MUTCD warning-sign group includes the Deer sign W11-3?
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Correct answer: A. Official MUTCD 2009 Part 2C lists Non-Vehicular 2C.50, 51 Pedestrian, Deer, Cattle, Snowmobile, Equestrian, Wheelchair, Large Animals, Playground as W11-2,3 and related signs. Testers invent leftover dusk-group folklore. Learn that official wording, then answer the knowledge test from those words.
16. A yellow diamond sign shows a car with wavy skid marks trailing behind its tires. When does this warning matter most?
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Correct answer: D. The skidding-car sign warns that the road ahead becomes slippery when wet, so slow down and avoid sudden braking or sharp steering in rain, snow, or ice. The first minutes of rain are often the slickest, as water lifts oil off the pavement.
17. In a work zone, an orange sign warns of a flagger ahead. The flagger signals you to stop, even though the traffic light beyond is green. What should you do?
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Correct answer: C. Flaggers control traffic through work zones, and you must obey their directions even when they conflict with posted signs or signals. They can see hazards you cannot. Remember: in a work zone, the person outranks the light.
18. A pentagon-shaped fluorescent yellow-green sign shows two walking children. What is it warning you about?
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Correct answer: B. The five-sided shape is reserved for school and school-crossing signs. Slow down and watch for children who may step off the curb without looking. Pentagon plus kids means school.
19. A yellow diamond sign ahead shows a plus symbol, like a small cross. What is this sign warning you about?
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Correct answer: A. The crossroad symbol warns that a full intersection is ahead, so vehicles may pull out or turn from the left or right. Slow down and scan both directions. Picture the plus sign as two roads meeting.
20. On a highway, you look for the way to your destination city. What kind of information do signs with a green background give you?
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Correct answer: D. Green guide signs point the way, listing destinations, how many miles remain, and which exits to take. They inform rather than command, so no action is required. Think of green as the color that says go this way.
21. A yellow diamond shows a sideways wind-sock or windswept tree. What risk is ahead?
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Correct answer: A. Crosswind warnings mark bridges, cuts, and open plains where gusts shove vans, trucks, and empty trailers. Ease off the gas and keep both hands on the wheel. If you drive something tall, treat the sign as a speed cut.
22. You see a white square sign showing a curved U-shaped arrow inside a red circle with a slash through it. What is prohibited?
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Correct answer: B. The slashed U-arrow bans U-turns at that location, usually because oncoming drivers cannot see you turn around in time. Continue to a spot where reversing direction is legal and safe. Red circle plus slash means the pictured move is forbidden.
23. You are driving in a lane with a large white arrow painted on the pavement curving to the right. What does this marking require?
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Correct answer: B. A curved lane-use arrow makes that lane turn-only: follow the arrow or change lanes before the intersection. The arrows sort traffic early so drivers do not swerve at the last second. The pavement is telling you your path.
24. A yellow diamond shows a truck tipping on a curved arrow. What should you do before the curve?
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Correct answer: B. The tipping-truck symbol marks a curve or ramp with a recommended lower speed for high-center vehicles — and a wise lower speed for everyone. Slow before you enter the curve, not in the middle of it.
25. You pass a round yellow sign marked with a large black X and the letters R R. What is it telling you?
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Correct answer: A. The round yellow RXR sign is the advance warning for a railroad crossing, posted well before the tracks. It gives you time to slow, quiet distractions, and scan for trains. Round and yellow means railroad ahead, not at, the sign.
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