South Dakota DMV Permit Practice Test 5: 50 Questions

Practice Test 5 has 50 multiple-choice questions on South Dakota driving rules, including move over violation penalty, circular railroad sign shape, pentagon school sign shape and law enforcement stop procedure. Each answer is explained as soon as you pick it, and every question is listed with its answer in the study guide below.

Question 1
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What Practice Test 5 Covers

The questions in this test ask about:

Try 5 Questions from This Test

  1. What happens if a driver causes an accident while violating emergency vehicle move-over laws?

    • A. Only a warning is issued
    • B. The offense becomes more severe
    • C. The violation is dismissed
    Show answer

    B. The offense becomes more severe

    Causing an accident increases the seriousness of the offense.

  2. What shape is used to warn of a railroad crossing ahead?

    • A. Diamond
    • B. Rectangle
    • C. Circle
    Show answer

    C. Circle

    Round signs warn drivers of railroad crossings.

  3. What shape is used for school zone and school crossing warnings?

    • A. Circle
    • B. Pentagon
    • C. Triangle
    Show answer

    B. Pentagon

    Pentagon-shaped signs warn of school areas.

  4. What must drivers do when stopped by law enforcement?

    • A. Stop in the traffic lane
    • B. Pull over safely and follow instructions
    • C. Continue driving to destination
    Show answer

    B. Pull over safely and follow instructions

    Drivers must safely pull over and cooperate during stops.

  5. On a two-lane highway, how must drivers react to a stopped vehicle using amber warning lights?

    • A. Maintain speed and pass cautiously
    • B. Slow to at least 20 mph below the posted speed limit
    • C. Stop completely until directed
    Show answer

    B. Slow to at least 20 mph below the posted speed limit

    Drivers must significantly reduce speed and proceed with caution.

Complete Study Guide: All 50 Questions with Answers

Every question in Practice Test 5, with the correct answer and an explanation for each.

  1. Q1. What must drivers do when approaching an authorized emergency vehicle using red visual signals?

    Correct answer: Come to a complete stop before reaching the vehicle

    Why: Drivers must stop and proceed only when it is safe after ensuring the roadway is clear.

  2. Q2. On highways with two or more lanes in the same direction, how should drivers react to a stopped vehicle using amber warning lights?

    Correct answer: Merge into the lane farthest from the vehicle at least 300 feet before

    Why: Drivers are required to move over well in advance of the stopped vehicle.

  3. Q3. On a two-lane highway, how must drivers react to a stopped vehicle using amber warning lights?

    Correct answer: Slow to at least 20 mph below the posted speed limit

    Why: Drivers must significantly reduce speed and proceed with caution.

  4. Q4. Which vehicles are considered emergency vehicles?

    Correct answer: Law enforcement, ambulance, and fire vehicles

    Why: Emergency vehicles include police, ambulances, and fire department vehicles.

  5. Q5. What happens if a driver causes an accident while violating emergency vehicle move-over laws?

    Correct answer: The offense becomes more severe

    Why: Causing an accident increases the seriousness of the offense.

  6. Q6. What should drivers do when traffic signals at an intersection are not working?

    Correct answer: Treat the intersection as a four-way stop

    Why: All vehicles must stop and follow four-way stop rules.

  7. Q7. Who has the right-of-way at a four-way stop when two vehicles arrive at the same time?

    Correct answer: The vehicle on the right

    Why: When vehicles arrive simultaneously, the driver on the right goes first.

  8. Q8. What does a steady red traffic signal require drivers to do?

    Correct answer: Come to a complete stop

    Why: A steady red light means drivers must stop.

  9. Q9. What does a steady yellow traffic signal warn drivers of?

    Correct answer: The signal is about to turn red

    Why: Yellow lights warn that the signal will soon turn red.

  10. Q10. What does a steady green traffic signal mean?

    Correct answer: Proceed if the intersection is clear

    Why: Drivers may go, but must ensure the intersection is clear.

  11. Q11. What does a flashing red traffic signal mean?

    Correct answer: Stop, then proceed when safe

    Why: A flashing red signal is treated like a stop sign.

  12. Q12. What does a flashing yellow traffic signal mean?

    Correct answer: Slow down and proceed with caution

    Why: Flashing yellow signals warn drivers to be cautious.

  13. Q13. What color are warning signs that alert drivers to possible hazards?

    Correct answer: Yellow

    Why: Warning signs are yellow to indicate potential hazards.

  14. Q14. What color are construction and maintenance signs?

    Correct answer: Orange

    Why: Orange signs are used for work zones and maintenance areas.

  15. Q15. What shape is used only for stop signs?

    Correct answer: Octagon

    Why: Stop signs are always eight-sided for easy recognition.

  16. Q16. What shape is used only for yield signs?

    Correct answer: Triangle

    Why: Yield signs are triangular.

  17. Q17. What shape is used to warn of a railroad crossing ahead?

    Correct answer: Circle

    Why: Round signs warn drivers of railroad crossings.

  18. Q18. What shape is used for school zone and school crossing warnings?

    Correct answer: Pentagon

    Why: Pentagon-shaped signs warn of school areas.

  19. Q19. What do white rectangular signs usually indicate?

    Correct answer: Rules or regulations

    Why: White rectangular signs provide regulatory information.

  20. Q20. What pavement marking separates traffic moving in opposite directions?

    Correct answer: Yellow centerline

    Why: Yellow lines divide traffic moving in opposite directions.

  21. Q21. What does a solid yellow centerline mean?

    Correct answer: Passing is not allowed

    Why: Solid yellow lines indicate a no-passing zone.

  22. Q22. What does a broken yellow centerline allow drivers to do?

    Correct answer: Pass when it is safe

    Why: Broken yellow lines permit passing when conditions are safe.

  23. Q23. What does a solid white line between lanes indicate?

    Correct answer: Lane changes are discouraged

    Why: Solid white lines separate lanes and discourage lane changes.

  24. Q24. What does a white edge line mark?

    Correct answer: The edge of the roadway

    Why: White edge lines mark the roadway boundary.

  25. Q25. What does a wide white stop line indicate?

    Correct answer: Where vehicles must stop

    Why: Vehicles must stop before the stop line.

  26. Q26. When turning left, what must drivers yield to?

    Correct answer: Oncoming traffic and pedestrians

    Why: Left-turning drivers must yield to oncoming traffic and pedestrians.

  27. Q27. What must drivers do for pedestrians in a marked crosswalk?

    Correct answer: Yield and be prepared to stop

    Why: Pedestrians in crosswalks have the right-of-way.

  28. Q28. What should drivers do when approaching a school bus with flashing red lights?

    Correct answer: Stop until the lights stop flashing

    Why: Drivers must stop for school buses using red flashing lights.

  29. Q29. What should drivers do when approaching a railroad crossing with flashing lights?

    Correct answer: Stop and wait

    Why: Flashing lights indicate a train is approaching.

  30. Q30. What is the safest action at a railroad crossing without signals?

    Correct answer: Slow, look, and listen

    Why: Drivers must be prepared to stop for trains.

  31. Q31. What should drivers do in work zones?

    Correct answer: Slow down and obey posted signs

    Why: Work zones require extra caution and reduced speed.

  32. Q32. Why must drivers reduce speed in work zones?

    Correct answer: Workers and equipment may be present

    Why: Slower speeds help protect workers and drivers.

  33. Q33. What is the purpose of speed limit signs?

    Correct answer: Show the maximum legal speed

    Why: Speed limit signs show the legal maximum speed.

  34. Q34. Why is speeding dangerous?

    Correct answer: It reduces reaction time and increases crash severity

    Why: Higher speeds increase stopping distance and crash severity.

  35. Q35. What should drivers do on wet or slippery roads?

    Correct answer: Reduce speed

    Why: Reduced traction requires slower speeds.

  36. Q36. What is hydroplaning?

    Correct answer: Loss of tire contact with the road due to water

    Why: Water buildup can cause tires to lose contact with the road.

  37. Q37. What is the safest following distance under normal conditions?

    Correct answer: At least four seconds

    Why: South Dakota’s driver manual says to keep a minimum following distance of 4 seconds behind the vehicle in front. Count the seconds from when it passes a fixed object until you reach the same object.

  38. Q38. When should drivers increase following distance?

    Correct answer: In poor weather or heavy traffic

    Why: Bad conditions require more space between vehicles.

  39. Q39. Why is fatigue dangerous while driving?

    Correct answer: It slows reaction time and judgment

    Why: Fatigue reduces alertness and decision-making.

  40. Q40. What should drivers do if they feel tired while driving?

    Correct answer: Stop driving and rest

    Why: Rest is the safest response to fatigue.

  41. Q41. What driving behavior is prohibited because it diverts attention from the road?

    Correct answer: Texting while driving

    Why: Texting distracts drivers and increases crash risk.

  42. Q42. Why is distracted driving dangerous?

    Correct answer: It takes attention away from driving

    Why: Distractions reduce a driver’s ability to react.

  43. Q43. Why are seat belts required?

    Correct answer: They reduce the risk of injury or death

    Why: Seat belts protect occupants during crashes.

  44. Q44. Who is required to wear seat belts?

    Correct answer: Drivers and front-seat passengers

    Why: Seat belt use is required for drivers and front-seat passengers.

  45. Q45. You are driving in a funeral procession in South Dakota. What must every vehicle in the procession do?

    Correct answer: Have its headlights on

    Why: Vehicles in a funeral procession must have their headlights on. Only the first vehicle must obey traffic signs and signals.

  46. Q46. What beam setting should be used in fog?

    Correct answer: Low beams

    Why: Low beams reduce glare in fog.

  47. Q47. What should drivers do if an oncoming vehicle is using high beams?

    Correct answer: Look toward the right edge of the road

    Why: Looking away reduces glare from headlights.

  48. Q48. What should drivers do before changing lanes?

    Correct answer: Check mirrors and blind spots

    Why: Blind spots must be checked before changing lanes.

  49. Q49. What should drivers do when backing up?

    Correct answer: Look over the shoulder and use mirrors

    Why: Turning and looking provides the best view.

  50. Q50. What must drivers do when stopped by law enforcement?

    Correct answer: Pull over safely and follow instructions

    Why: Drivers must safely pull over and cooperate during stops.

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