Practice test 1 of 10 — South Dakota permit test

25 questions · Pass mark: 20 of 25 (80%) · No time limit

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Question 1 of 25Signals and pavement markings

The letters "RXR" painted on the road warn of:

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Question 3 of 25Turning, passing and lanes

Why should you avoid changing lanes in an intersection?

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Question 4 of 25Safe driving and hazards (South Dakota)

Under South Dakota law, front side windows may not be tinted to let in less than what share of light?

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Question 5 of 25Road signs

Road sign for this question (warning sign)

Where would you expect to see this sign?

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Question 6 of 25Sharing the road

You are turning right and a cyclist is riding in the bike lane next to you. What should you do?

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Question 7 of 25Safe driving and hazards (South Dakota)

What does South Dakota law say about texting while driving?

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Question 8 of 25Road signs

Road sign for this question (regulatory sign)

You pass this sign, but rain is falling hard and you cannot see well. What should you do?

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Question 9 of 25Turning, passing and lanes

When you back up, where should you look?

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Question 10 of 25Speed and following distance

Driving well over the limit on a short trip usually:

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Question 11 of 25Safe driving and hazards

Where is ice most likely to form first?

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Question 12 of 25Licensing and insurance (South Dakota)

In South Dakota, what decides the month in which your vehicle registration is renewed?

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Question 13 of 25Alcohol, drugs and penalties

In nearly every state, what is the legal blood alcohol limit for drivers 21 and over?

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Question 14 of 25Turning, passing and lanes

What is the acceleration lane on a highway on-ramp for?

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Question 15 of 25Signals and pavement markings

What does a steady yellow light mean?

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Question 16 of 25Safe driving and hazards

The back of your car starts to skid. What should you do?

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Question 17 of 25Parking and stopping

How should you pull out of a parallel parking space?

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Question 18 of 25Speed and following distance

Can you get a ticket for driving at the posted limit?

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Question 19 of 25Speed and following distance

A tailgater is behind you and you need to stop ahead. What should you do?

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Question 20 of 25Sharing the road

Where should you take extra care to watch for children?

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Question 22 of 25Safe driving and hazards (South Dakota)

You drive onto a closed South Dakota road in winter and get stuck. What may happen?

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Question 23 of 25Right of way (South Dakota)

According to the South Dakota manual, on a two-lane highway posted at 65 mph, what is the fastest you may pass a stopped car with amber lights?

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Question 24 of 25Safe driving and hazards

What is the main danger of driving when angry or upset?

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Question 25 of 25Signals and pavement markings

Lights are flashing red at a railroad crossing but you see no train. What should you do?

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1 of 25

Answer each question to see the explanation. Keyboard: A–D or 1–4 to answer, N next, P previous.

Answers and explanations (text version)

The correct answer to each question above, why it is right, and where it comes from. Try the test first.

  1. Question 1: B. A railroad crossing ahead

    The letters RXR painted on the road warn of a railroad crossing ahead.

    Handbook: Chapter: Traffic signals and pavement markings — Pavement markings

  2. Question 2: C. A series of curves

    The wavy arrow means a winding road with a series of curves. Keep your speed down until it straightens.

    Handbook: Chapter: Traffic signs — Warning signs

  3. Question 3: B. Others may not expect it, and it can cause a crash

    Changing lanes in an intersection surprises other drivers and people crossing, so it often causes crashes.

    Handbook: Chapter: Turning, passing and lane use — Changing lanes

  4. Question 4: C. 35%

    Front side windows may not reduce "the light transmittance to a level below 35%".

    Handbook: Before You Drive — Windshield & Windows

  5. Question 5: A. On the outside edge of a sharp curve

    Chevron signs are placed on the outside of a sharp curve and point the way to steer.

    Handbook: Chapter: Traffic signs — Warning signs

  6. Question 6: A. Let the cyclist pass, then turn

    Yield to the cyclist in the bike lane. Let them go by, then make your turn behind them.

    Handbook: Chapter: Sharing the road — Bicycles

  7. Question 7: B. It is prohibited

    The manual says "Texting, reading texts, and social networking is prohibited by state law."

    Handbook: Be in Shape to Drive — Driver Distractions

  8. Question 8: D. Drive slower than the posted speed

    The posted speed is the most you may drive in good conditions. In heavy rain you must drive slower than that to stay safe.

    Handbook: Chapter: Traffic signs — Regulatory signs

  9. Question 9: D. Over your right shoulder through the rear window

    Turn and look over your right shoulder through the rear window, and check all around, not just your mirrors.

    Handbook: Chapter: Turning, passing and lane use — Backing

  10. Question 10: A. Saves very little time and adds a lot of risk

    Speeding on most trips saves only a few minutes but raises the chance and harm of a crash.

    Handbook: Chapter: Speed and following distance — Basic speed rule

  11. Question 11: C. On bridges and overpasses

    Bridges and overpasses lose heat from above and below, so ice forms on them first.

    Handbook: Chapter: Safe driving and hazards — Skids and slippery roads

  12. Question 12: B. The first letter of your last name

    Renewals use a staggered system "based on the first letter in your last name".

    Handbook: The Driver’s License — Vehicle Registration and Titles

  13. Question 13: A. 0.08 percent

    In nearly every state the limit for drivers 21 and over is 0.08 percent; a state may set it lower.

    Handbook: Chapter: Alcohol, drugs and penalties — Legal limits

  14. Question 14: A. To speed up to match highway traffic

    Use the acceleration lane to get up to the speed of highway traffic so you can merge smoothly.

    Handbook: Chapter: Turning, passing and lane use — Highway driving

  15. Question 15: A. The light is about to turn red

    A steady yellow light warns that the light is about to turn red. Stop if you can do so safely.

    Handbook: Chapter: Traffic signals and pavement markings — Traffic signals

  16. Question 16: A. Ease off the gas and steer where you want to go

    In a skid, ease off the gas and steer gently where you want the car to go.

    Handbook: Chapter: Safe driving and hazards — Skids and slippery roads

  17. Question 17: D. Signal, check your blind spot, and yield

    Signal, check your mirrors and blind spot, and yield to traffic before pulling out.

    Handbook: Chapter: Parking and stopping — Parallel parking

  18. Question 18: C. Yes, if that speed is unsafe for conditions

    Yes. Under the basic speed rule you can be ticketed for driving at the limit when conditions make that speed unsafe.

    Handbook: Chapter: Speed and following distance — Basic speed rule

  19. Question 19: A. Brake early and gently

    Brake early and gently to give the tailgater time to notice and slow down.

    Handbook: Chapter: Speed and following distance — Following distance

  20. Question 20: C. Near schools, parks, and playgrounds

    Children near schools, parks and playgrounds may run into the road without looking.

    Handbook: Chapter: Sharing the road — Pedestrians

  21. Question 21: D. 60 days

    The table lists "First Suspension 60 days", then 6 months, then 1 year for later ones.

    Handbook: The Driver’s License — South Dakota Point System

  22. Question 22: B. You may be ticketed and charged rescue costs

    On a closed road "you could also be given a ticket and be held accountable" for rescue costs.

    Handbook: Special Driving Situations — Winter Driving Safety Tips

  23. Question 23: A. 45 mph

    You must slow to "at least twenty miles per hour less than the posted speed limit", so 45 mph at most.

    Handbook: Attention — South Dakota Codified Law 32-31-6.1

  24. Question 24: D. You may take more risks

    Strong feelings make you take more risks and pay less attention, so wait until you are calm before you drive.

    Handbook: Chapter: Safe driving and hazards — Defensive driving

  25. Question 25: A. Stop and wait until the lights stop flashing

    Flashing red lights at a crossing mean a train is coming. Stop and wait until the lights stop flashing, even if you see no train.

    Handbook: Chapter: Traffic signals and pavement markings — Railroad crossing signals

Practice test 1 of 10 for the Knowledge test (instruction permit) (the South Dakota Department of Public Safety): 25 questions, 20 to pass — the commonly reported format; the South Dakota Department of Public Safety does not publish the count. Official pass mark: 80%. Our practice tests are untimed.

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