2025 South Dakota Hardest Permit Test
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
17. This road sign means:
Explanation
Regulatory signs provide notice to road users of traffic laws and must be obeyed. Where this sign is posted, making a right turn is prohibited.
18. If you come to a railroad crossing with lowered gates and flashing warning lights, you should:
Explanation
You must stop at a railroad crossing where signs, warning devices, or flaggers warn you of the presence of a train. It is illegal to drive around lowered gates.
19. 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.
20. When approaching a stopped school bus that has its stop signal arm extended and its lights flashing, drivers should:
Explanation
When you are approaching a school bus that is stopped with its stop arm extended and lights flashing, come to a complete stop. Remain stopped until the stop signal is retracted and the flashing lights are turned off.
21. 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.
22. If it is necessary to make an emergency stop while driving on an interstate, you should:
Explanation
If you must stop on the shoulder of the interstate or highway, turn on your emergency flashers to warn other drivers and stay inside your vehicle, if you can. The extremely high speed of traffic makes standing or walking along an interstate highway very dangerous.
23. This sign means:
Explanation
This sign prohibits right turns. You cannot make a right turn at an intersection where this sign is posted.
24. This sign means:
Explanation
A round sign always indicates that you are approaching a railroad crossing.
25. South Dakota law requires ____ to use safety belts in a moving vehicle.
Explanation
