New Jersey 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. The real MVC Knowledge Test has 50 questions, and you need 40 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.

  1. 1. 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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  2. 2. 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.

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  3. 3. 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.

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  4. 4. 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.

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  5. 5. 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.

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  6. 6. 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.

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  7. 7. 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.

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  8. 8. 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.

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  9. 9. A center lane is bordered on each side by a solid yellow line with a broken yellow line inside it, and white left-turn arrows are painted for both directions. How may you use this lane?

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    Correct answer: A. A two-way left-turn lane is shared by both directions for left turns only. Enter just before your turn, watch for opposing drivers using the same lane, and never travel or pass in it. Turn, do not cruise.

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  10. 10. 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.

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  11. 11. On a dark road you see several black-and-yellow signs, each with a single sideways V pointing to the right, spaced along the roadside. What do they mark?

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    Correct answer: B. Chevron alignment signs outline a sharp curve, each arrowhead pointing the direction the road bends. They are placed in a series so your headlights pick up the curve's shape at night. Follow the chevrons like breadcrumbs through the turn.

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  12. 12. 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.

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  13. 13. 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.

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  14. 14. At the top of a ramp you see a square sign with a red circle and a white horizontal bar reading DO NOT ENTER. What does it mean?

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    Correct answer: A. DO NOT ENTER marks a roadway where traffic flows toward you, such as an exit ramp or one-way street. Entering it risks a head-on crash. If you have already turned in and see WRONG WAY, pull over and turn around safely.

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  15. 15. A white vertical rectangle reads SPEED LIMIT 55. What does that number legally mean?

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    Correct answer: C. A white rectangular speed limit sign is a regulatory sign, so the number is the maximum lawful speed in ideal conditions. Rain, fog, or heavy traffic can make even that speed illegal. Treat the posted number as a ceiling, not a target.

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  16. 16. You plan to leave the freeway at exit 12. How will you know which ramp is yours?

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    Correct answer: B. Freeway exits carry green guide signs topped with a numbered exit panel, and the number usually matches the nearest milepost. Match the posted number to your planned exit, then move into the exit lane early.

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  17. 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.

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  18. 18. 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.

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  19. 19. Small green signs with numbers appear every mile along the edge of the highway. What are these mile markers mainly used for?

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    Correct answer: C. Mile markers count the distance across a route, letting you track your progress, judge how far your exit is, and give an exact location when you call for help. Note the nearest marker whenever trouble starts.

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  20. 20. A fluorescent pink diamond is posted after a storm, showing a landslide symbol. What does the unusual color mean?

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    Correct answer: B. Fluorescent pink is the MUTCD color for incident and emergency management, used for crashes, floods, or slides. Slow down and expect workers, debris, or a sudden close. Pink means something urgent just happened.

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  21. 21. You are driving past a school crossing just as classes let out. What must you be prepared to do?

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    Correct answer: C. Near school crossings you must slow to any posted school speed and stop whenever children or crossing guards are in the crosswalk. Kids are small, quick, and unpredictable, so extra caution is required. Expect the unexpected wherever students gather.

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  22. 22. Many regulatory signs show a picture inside a red circle crossed by a red diagonal slash. In general, what does that design mean?

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    Correct answer: D. In the MUTCD symbol system, a red circle with a diagonal slash over any picture means that action is not allowed, such as no trucks or no bicycles. It works without words, so drivers of any language understand instantly. Slash means stop doing it.

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  23. 23. A yellow diamond sign shows a truck tilted nose-down on a black slope. You are about to descend a long, steep grade. What is the proper technique?

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    Correct answer: C. On a steep downgrade, shift to a lower gear before descending so engine braking holds your speed, and use the brakes sparingly. Constant braking overheats the pads until they fade and fail. Gears save brakes; brakes alone can quit.

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  24. 24. 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.

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  25. 25. At a railroad crossing you see a white X-shaped sign reading RAILROAD CROSSING, with no gates or flashing signals. How should you treat it?

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    Correct answer: B. The crossbuck is a regulatory sign that legally works like a yield sign at the tracks. Trains cannot swerve or stop quickly, so you must give way every time. At passive crossings, your eyes and ears are the only warning system.

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