2025 South Dakota Permit Test 18
The following questions are from real DMV written tests. These are some of the actual permit questions you will face in South Dakota. Each permit practice test question has three answer choices. Select one answer for each question and select "grade this section." You can find this button at the bottom of the drivers license quiz. For a complete list of questions and answers for South Dakota please visit https://staging.dmvwrittentest.cheat-sheets.com/en/south-dakota/car.
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9. Which of the following blocks the smooth flow of traffic?
Explanation
Rubbernecking (the practice of slowing down to look at collisions or other out-of-the-ordinary things) contributes to traffic congestion and should be avoided.
10. A broken yellow line between two lanes of traffic means:
Explanation
Dashed yellow lines separate single lanes of traffic moving in opposite directions. Passing is allowed when there is no oncoming traffic in the passing lane.
11. As your speed increases, it is important to:
Explanation
Your vehicle's stopping distance increases as your speed increases. When driving at high speeds, it is important to look well ahead of your vehicle to allow yourself space to safely react to hazardous situations.
12. Stopping distances and severity of crashes:
Explanation
Stopping distances are longer and crashes are more severe when traffic travels at higher speeds.
13. What is the purpose of rumble strips?
Explanation
Rumble strips create noise and vibrations to warn drowsy or inattentive drivers that they are straying off of the road or are approaching a stop sign or signal.
14. You are on the freeway and traffic is merging into your lane. You should:
Explanation
When traffic permits, you should make room to allow vehicles to merge into your lane.
15. If you see orange construction signs and cones on a freeway, you must:
Explanation
As you enter a work zone, signs and message boards will warn you of workers, slow-moving equipment, and/or closed lanes ahead. You should reduce your speed and be prepared to slow down or stop.
16. When making a left turn, you should not:
Explanation
When turning left, you should slow down and activate your turn signal before making the turn. Be careful not to cut the corner short, as this may interfere with traffic.
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