California Road Signs Practice Test
Sharpen the skill the knowledge test leans on most: 25 questions on road sign shapes, colors, and meanings, each explained in plain English. You need 80% correct to pass the real DMV knowledge test.
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. 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.
2. A white sign shows a black number 25 inside a red circle. In the US, what does that usually indicate?
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Correct answer: C. A red circle around a number is the international speed-limit format, used in some US areas to show kilometers per hour. Do not treat it as 25 mph unless a miles-per-hour plaque says so. Check the unit before you match the number.
3. 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.
4. One sign shape is so important that it is reserved for a single message: STOP. Which shape is it?
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Correct answer: B. The eight-sided octagon belongs to the stop sign alone, so you can recognize a stop even when the face is snow-covered or faded. Count eight sides, prepare to stop. No other sign may borrow this shape.
5. You see a five-sided sign shaped like a schoolhouse outline, in fluorescent yellow-green, showing two walking figures. What does the pentagon shape identify?
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Correct answer: D. The pentagon shape is reserved for school signs, warning of a school zone or crossing where children may be walking. The fluorescent yellow-green color grabs attention near schools. Think of the five-sided shape as a little schoolhouse to remember it.
6. A freeway lane is marked with white diamond symbols, and a sign says the lane is for high-occupancy vehicles (HOV 2+). Who may drive in it during the posted hours?
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Correct answer: B. Diamond-marked HOV lanes are reserved for vehicles meeting the posted occupancy, like two or more people in an HOV 2+ lane. Rewarding shared rides moves more people in fewer cars. The diamond means special rules, so read the sign before entering.
7. A wide white bar is painted across your lane just before an intersection with a stop sign. Where must you stop?
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Correct answer: D. A stop line marks the exact place to stop: bring your vehicle to a halt before the bar, not on or past it. It keeps you clear of crosswalks and cross traffic. The bar is the boundary.
8. A horizontal black sign with a white arrow and the words ONE WAY points to the left at an intersection. What does it tell you?
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Correct answer: C. A ONE WAY sign means every vehicle on that street must travel in the arrow's direction. Driving against it puts you head-on into traffic. Before turning onto any city street, glance for the arrow and follow where it points.
9. A diamond-shaped orange sign with black markings is posted ahead of a lane shift. What class of message is that?
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Correct answer: B. Orange diamonds are reserved for temporary traffic-control in work zones. They warn that the road, lanes, or workers ahead are not in their usual place. When the background turns orange, expect cones, narrowed lanes, and people on foot.
10. 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.
11. A yellow line runs down the middle of a two-lane road. What does the yellow color of a center line tell you?
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Correct answer: A. Yellow center lines separate traffic moving in opposite directions, so anything across that line is oncoming. This color code works the same on every public road. Yellow in the middle means traffic meets there, not follows.
12. You see a yellow pennant-shaped sign on the left side of your lane that reads NO PASSING ZONE. What should you do?
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Correct answer: B. The pennant is the only sign that points to the left, marking the start of a no-passing zone. Do not pull out to pass until you see a regular passing-allowed marking. Left-side pennant means stay put.
13. A white regulatory sign reads NO TURN ON RED. You have a circular red light and want to go right. What must you do?
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Correct answer: B. NO TURN ON RED cancels the usual after-stop right turn. Wait for green. Cities post this where pedestrians or poor sightlines make a red-light turn dangerous. The sign overrules the general permission.
14. 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.
15. On any road sign, what does the color red signal to drivers?
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Correct answer: D. Red is reserved for the strongest commands: stop, yield, do not enter, and wrong way. It marks actions that are forbidden or must halt. When red appears, something about your movement has to change right now.
16. Which shape is used only for yield signs, so you can recognize the sign even when you cannot read its face?
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Correct answer: D. Only yield signs use the downward-pointing triangle, just as only stop signs use the octagon. Unique shapes let drivers react from the outline alone in fog or darkness. Picture the point aiming down, telling you to back off and give way.
17. On a highway you pass a white regulatory sign reading MINIMUM SPEED 40. Why is that sign posted?
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Correct answer: D. A minimum speed sign requires you to travel at least the posted speed when conditions allow. Highways post it because vehicles moving far below the flow cause rear-end and lane-change crashes. Too slow can be as dangerous as too fast.
18. 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.
19. A solid white line, instead of a broken one, separates your lane from the next lane going the same way. What is it telling you?
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Correct answer: A. A solid white line between same-direction lanes discourages lane changes, and it appears where drifting is risky, such as near intersections and ramps. The firmer the line looks, the firmer the message: hold your lane.
20. 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.
21. Only one road sign is shaped like a sideways pennant, a triangle with its point aimed to the right. Which sign is it?
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Correct answer: A. The sideways yellow pennant is used for one message only: NO PASSING ZONE. It stands on the left side of the road where passing begins to be unsafe. One shape, one meaning makes it instantly recognizable.
22. 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.
23. A white sign with a black arrow bending left and the word ONLY is over your lane. What does it require?
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Correct answer: B. A black arrow plus ONLY assigns that lane to one movement. If you need to go straight, change lanes before the marking. Lane-control signs win over habit; follow the arrow you are sitting under.
24. On a two-lane road, the center line nearest your lane is broken yellow, while the line on the far side is solid yellow. When may you cross it to pass?
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Correct answer: C. A broken yellow line on your side means passing is permitted from your direction, but only when oncoming traffic is far enough away to pass safely. Broken means you may cross; solid means stay put.
25. You are driving on a road with few traffic lights when you see a yellow diamond sign showing a traffic signal symbol. Why is this sign posted, and how should you respond?
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Correct answer: B. Signal-ahead warnings are posted where a traffic light may surprise drivers, such as after a long stretch without one or where a hill blocks the view. Ease off the gas early so a sudden red light cannot catch you.
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