2025 South Dakota Permit Test 17
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.
Number of Tests
Number of Question
Passing Score
17. It is dangerous to follow a motorcycle too closely because:
Explanation
Motorcycles can stop quickly and following them too closely endangers your life and that of the motorcyclist. If the motorcyclist makes a mistake, you need to have enough time and space to avoid a crash.
18. If there is a deep puddle on the road ahead, you should:
Explanation
To prevent skidding on slippery surfaces, avoid especially slippery areas, such as ice patches, wet leaves, oil, or deep puddles. The safest surface for driving is a dry, solid surface.
19. This road sign means:
Explanation
Regulatory signs provide notice to road users of traffic laws that must be obeyed. This sign tells drivers that it is prohibited to make a U-turn.
20. When entering an interstate highway, you should:
Explanation
Rather than stopping (as you would when entering other roads), you must use the merging or acceleration lane to speed up and smoothly merge with fast-moving traffic already on the interstate.
21. Collisions are more likely to happen when:
Explanation
Collisions are more likely to happen when one driver moves faster or slower than the other vehicles on the road. Driving faster than other traffic increases your chance of being involved in a collision. Driving more slowly than other traffic is also dangerous because it can increase the risk of a rear-end collision with your vehicle or cause other drivers to swerve to avoid hitting you.
22. You are approaching a green traffic light and traffic is blocking the intersection. What is the best thing to do?
Explanation
Even if your light is green, you must not enter an intersection unless you can get completely through the intersection before the light turns red. If you block the intersection, you can be cited.
23. This sign means:
Explanation
This sign is posted on one-way streets and other roadways where a driver is not allowed to enter. A driver may see this sign if attempting to enter an expressway ramp in the wrong direction.
24. This sign is a:
Explanation
Warning signs are usually yellow with black markings. They alert you to conditions that are immediately ahead. There may be an upcoming change in traffic direction, a steep downgrade, or another potentially hazardous situation that requires action on the part of the driver.
25. When passing on the left of a vehicle, it is safe to move back into the right lane:
Explanation
When passing another vehicle on its left, you may move back into the right lane when the headlights of the passed vehicle can be seen in your rearview mirror. Always signal before changing lanes.
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