The #1 DMV Practice Test in the United States

Preparing for your DMV written test in 2026? These are the 100 most searched, most failed, and most tested DMV questions, written in official exam style and answered clearly.

GENERAL DMV RULES (1–25)

1. Q: What does a solid yellow line on your side of the road mean?
A: Passing is allowed only when safe and when not prohibited by signs.

2. Q: What does a red traffic signal mean?
A: You must stop completely before the limit line or crosswalk.

3. Q: When must you yield the right-of-way?
A: When signs, signals, or traffic conditions require it.

4. Q: What is the speed limit in a residential area unless posted otherwise?
A: 25 mph.

5. Q: When is it legal to turn right on a red light?
A: After a complete stop, unless prohibited by a sign.

6. Q: What should you do when approaching a school bus with flashing red lights?
A: Stop until the lights stop flashing.

7. Q: What does a flashing yellow signal mean?
A: Slow down and proceed with caution.

8. Q: When must headlights be used?
A: From sunset to sunrise or when visibility is poor.

9. Q: What does a double solid yellow line mean?
A: No passing in either direction.

10. Q: Who has the right-of-way at a four-way stop?
A: The first vehicle to stop.

11. Q: What does a broken white line separate?
A: Traffic moving in the same direction.

12. Q: When should you use your turn signal?
A: At least 100 feet before turning.

13. Q: What is the legal BAC limit for drivers 21 and over?
A: 0.08%.

14. Q: What is the BAC limit for drivers under 21?
A: 0.00% (zero tolerance).

15. Q: What should you do at a steady green light?
A: Proceed if the intersection is clear.

16. Q: What does a diamond-shaped sign indicate?
A: Warning.

17. Q: What should you do if your brakes fail?
A: Downshift and apply the parking brake gradually.

18. Q: When is passing on the right permitted?
A: When the vehicle ahead is turning left and space is available.

19. Q: What does a triangular sign indicate?
A: Yield.

20. Q: What is tailgating?
A: Following another vehicle too closely.

21. Q: What does a white rectangular sign usually indicate?
A: Regulatory rules.

22. Q: When should you increase following distance?
A: In rain, fog, or heavy traffic.

23. Q: What should you do when approaching a railroad crossing with flashing lights?
A: Stop and wait.

24. Q: What does a pentagon-shaped sign indicate?
A: School zone or school crossing.

25. Q: What should you do if traffic signals are not working?
A: Treat the intersection as a four-way stop.

PERMIT TEST QUESTIONS (26–50)

26. Q: Can a permit holder drive alone?
A: No, supervision is required.

27. Q: Who may supervise a permit driver?
A: A licensed adult meeting state requirements.

28. Q: Can a permit driver use a cellphone?
A: No, except for emergencies.

29. Q: What is defensive driving?
A: Anticipating hazards and avoiding collisions.

30. Q: What should you do when skidding?
A: Steer in the direction you want the front wheels to go.

31. Q: What increases stopping distance?
A: Speed, wet roads, and poor brakes.

32. Q: When must you yield to pedestrians?
A: At crosswalks and intersections.

33. Q: What is hydroplaning?
A: Loss of traction due to water on the road.

34. Q: How can hydroplaning be reduced?
A: Slow down and maintain proper tire pressure.

35. Q: What should you do when entering a freeway?
A: Yield to traffic already on the freeway.

36. Q: What is the purpose of road markings?
A: To guide traffic and improve safety.

37. Q: What does a curb painted blue mean?
A: Parking for disabled persons only.

38. Q: What does a curb painted red mean?
A: No stopping or parking.

39. Q: When should you dim high beams?
A: Within 500 feet of an oncoming vehicle.

40. Q: What should you do at a yield sign?
A: Slow down and give right-of-way if necessary.

41. Q: What is the safest way to turn around?
A: Make a three-point turn where legal.

42. Q: What should you do if an emergency vehicle approaches?
A: Pull over and stop.

43. Q: What does a flashing red light mean?
A: Stop, then proceed when safe.

44. Q: Why should you scan the road ahead?
A: To identify hazards early.

45. Q: What should you do if blinded by headlights?
A: Look toward the right edge of the road.

46. Q: What does a yellow arrow mean?
A: The signal is about to turn red.

47. Q: What should you do before changing lanes?
A: Check mirrors and blind spots.

48. Q: What does a solid white line mean?
A: Lane changes are discouraged.

49. Q: What is the minimum following distance?
A: Three seconds under normal conditions.

50. Q: When must seat belts be worn?
A: At all times by the driver and passengers.

CDL & MOTORCYCLE (51–75)

51. Q: What is off-tracking?
A: Rear wheels follow a shorter path than front wheels.

52. Q: What is a no-zone?
A: A truck’s blind spot.

53. Q: What is the purpose of air brakes?
A: To stop heavy vehicles efficiently.

54. Q: What should a CDL driver check before driving?
A: Tires, brakes, lights, and cargo.

55. Q: What increases rollover risk?
A: Speed and sharp turns.

56. Q: What is a jackknife?
A: When a trailer swings sideways.

57. Q: When should a motorcyclist use both brakes?
A: During normal stops.

58. Q: Why is lane position important for motorcycles?
A: Visibility and hazard avoidance.

59. Q: What does countersteering do?
A: Initiates a turn at higher speeds.

60. Q: What gear offers the most protection?
A: DOT-approved helmet and protective clothing.

61. Q: When should a CDL vehicle downshift?
A: Before descending a hill.

62. Q: What is bridge clearance posted for?
A: Maximum vehicle height.

63. Q: What causes trailer swing?
A: Sharp steering at high speeds.

64. Q: Why should motorcyclists ride staggered?
A: Increased visibility and space.

65. Q: What is the CDL BAC limit?
A: 0.04%.

66. Q: What should a motorcyclist do in rain?
A: Reduce speed and increase following distance.

67. Q: What is engine braking?
A: Using gears to slow the vehicle.

68. Q: Why are motorcycles harder to see?
A: Smaller size and less visibility.

69. Q: What is load shift?
A: Cargo movement affecting balance.

70. Q: What should CDL drivers do at railroad crossings?
A: Stop, look, and listen.

71. Q: What affects stopping distance most?
A: Speed and vehicle weight.

72. Q: Why is overconfidence dangerous on motorcycles?
A: Reduced reaction time to hazards.

73. Q: What is the purpose of tie-downs?
A: Secure cargo.

74. Q: When should mirrors be checked?
A: Every 5–8 seconds.

75. Q: Why must CDL drivers manage fatigue?
A: To prevent crashes.

RENEWAL & SAFETY (76–100)

76. Q: When must a license be renewed?
A: Before expiration.

77. Q: What vision standard is required?
A: State minimum visual acuity.

78. Q: What should older drivers watch for?
A: Slower reaction times.

79. Q: What is distracted driving?
A: Any activity that diverts attention.

80. Q: What is aggressive driving?
A: Speeding, tailgating, and unsafe lane changes.

81. Q: What should you do after a collision?
A: Stop and exchange information.

82. Q: When must collisions be reported?
A: When injuries or significant damage occur.

83. Q: What is insurance required for?
A: Financial responsibility.

84. Q: What does “Move Over” law require?
A: Slow down or change lanes near emergency vehicles.

85. Q: What increases night driving risk?
A: Reduced visibility.

86. Q: What should you do in fog?
A: Use low beams and slow down.

87. Q: What is road rage?
A: Violent aggressive driving behavior.

88. Q: What should you do if lost?
A: Pull over safely.

89. Q: What is the purpose of rumble strips?
A: Alert drivers leaving the lane.

90. Q: What causes most crashes?
A: Human error.

91. Q: What is the safest speed?
A: One appropriate for conditions.

92. Q: When should tires be replaced?
A: When tread is worn below legal limit.

93. Q: What does ABS do?
A: Prevents wheel lockup.

94. Q: When should brakes be inspected?
A: Regularly.

95. Q: What is a blind spot?
A: Area not visible in mirrors.

96. Q: Why buckle up children properly?
A: Prevent injury.

97. Q: What should you do if tired?
A: Stop driving.

98. Q: What affects reaction time?
A: Fatigue, alcohol, distractions.

99. Q: What is the best crash prevention method?
A: Defensive driving.

100. Q: How do you pass the DMV test on the first try?
A: Practice with DMVTestMaster.com — real exam-style questions, all 50 states.