2025 South Dakota Permit Test 15
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://cheat-sheets.dmv-written-test.com/en/south-dakota/car.
Number of Tests
Number of Question
Passing Score
1. When changing lanes:
Explanation
When changing lanes, glance over your shoulder to check for traffic in your blind spot. You may need to look several times before changing lanes. You must keep track of what traffic is doing in front of you as well as what traffic is doing in the lane next to you.
2. You should use your horn when:
Explanation
Only use your horn when it is necessary to avoid collisions. Do not use your horn if a driver or bicyclist is moving slowly and you want him or her to drive faster or get out of your way.
3. If weather or light conditions require you to have your lights on while driving:
Explanation
Use your low beam headlights when driving in foggy, snowy, or rainy conditions. Light from high beam headlights will reflect back, causing glare and making it even more difficult to see ahead.
4. Which of these statements is true about drugs and driving?
Explanation
Legal prescription and over-the-counter drugs can impair your ability to drive, including drugs taken for colds, hay fever, allergies, or to calm nerves or muscles. It is illegal to drive while under the influence of any drug that impairs your ability to drive safely; this law does not differentiate between illegal, prescription, or over-the-counter drugs.
5. At an intersection with a yield sign, you:
Explanation
When approaching a yield sign, drivers must give the right-of-way to traffic already in the lanes that they intend to enter or cross. Drivers should be prepared to stop when approaching a yield sign but may continue without stopping if there is no conflicting traffic.
6. This sign indicates:
Explanation
This is a low clearance warning sign. It indicates the distance from the road surface to the bottom of a bridge or overpass (in this case, 12 feet, 6 inches).
7. When changing lanes:
Explanation
Before changing lanes, you should check your side mirrors and look over your shoulder to make sure it is safe to proceed.
8. The proper way to make a right turn is to:
Explanation
Before beginning a right turn, use the appropriate signal to give surrounding drivers adequate notice of your intentions. Slow down and approach the intersection from the right lane, staying as close as is practical to the right curb or edge of the roadway.
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