2025 South Dakota Permit Test 4
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. 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.
18. If you approach a stopped school bus that has its lights flashing and signal arm extended, you should:
Explanation
If you approach a stopped school bus that has its lights flashing and arm extended, you must come to a full stop and remain stopped until the signal arm is pulled back and the bus resumes motion. This law applies whether you are traveling in the same direction as the bus or if you are approaching from the opposite side of the street.
19. Only ____ can lower blood alcohol concentration (BAC) and reduce alcohol's effects on a body.
Explanation
The only way to sober up after drinking alcohol is to allow time for your body to eliminate the alcohol in your system. Nothing you can do, including eating and drinking, can accelerate this process.
20. This sign means:
Explanation
This sign indicates that you may not make a U-turn. You cannot turn around to go in the opposite direction at an intersection where this sign is posted.
21. Which of the following substances can affect the ability to drive?
Explanation
A number of drugs can impair your ability to drive, including depressant medications like tranquilizers and sedatives; over-the-counter cough syrups, cold tablets, and allergy medications (which may contain impairing substances like alcohol, codeine, or antihistamines); and illegal drugs.
22. At a crosswalk:
Explanation
Pedestrians have the right-of-way at street crossings but must obey traffic control signals. Where a traffic signal is not present, vehicles must stop for pedestrians in a crosswalk, whether it is marked or unmarked.
23. When turning left at an intersection:
Explanation
When turning left at an intersection, yield the right-of-way to oncoming traffic and pedestrians. Once the intersection is clear and applicable signals allow, you may complete the turn.
24. Which of the following driving skills is/are affected by the use of alcohol and/or drugs?
Explanation
Alcohol and other drugs can negatively effect a number of skills needed for safe driving, including a driver's reaction time, coordination, alertness, and ability to concentrate.
25. Only ____ can reduce blood alcohol content (BAC) and alcohol's effects on the body.
Explanation
Only the passage of time can remove alcohol and its impairing effects from the body.
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