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All residents who operate a motor vehicle on any South Dakota street or highway must have an South Dakota driver’s license or learner’s permit. To obtain an instruction permit, you must be at least 14 years of age and pass the vision and knowledge test. The South Dakota written test covers the contents of the DMV Driver’s Manual, and includes questions on safe driving practices, road rules, road signs and signals. The knowledge test consists of 25 questions, and you must score 80% or higher (at least 20 correct answers) to pass. Practice with this sample DMV test to get ready for the official South Dakota written test.
1. How can you prevent fatigue on a long trip?
Get enough sleep.
Plan to drive long trips with a companion.
All of the above.
2. Roads are most slippery:
just before it rains.
just after the rain begins.
when it stops raining.
3. This road sign means:
No U-turn
Do not enter
No parking
4. What should you do if an entrance ramp is short?
Reduce your speed to 20 MPH or less and blend with traffic.
Go to the next entrance ramp.
Stop and wait for a large space in traffic, then enter the expressway and accelerate quickly.
5. This road sign means:
Traffic Signal Ahead
Railroad Warning
No U-Turn
6. Drivers should be aware that a motorcyclist may:
decrease speed and rise off the seat when approaching a railroad crossing.
quickly change speed or lane position.
All of the above.
7. At a school crossing sign, you should:
watch for children and be ready to stop.
always stop, whether there’s a stop sign or not.
always sound your horn when you see children.
8. This road sign means:
Highway entrance ramp ahead
Lane reduction - the right lane ends soon
Lane reduction -- the left lane ends soon
9. If your cars suspension is bad, it can cause:
vehicle control problems.
play in the steering.
squealing brakes.
10. A broken white line:
means passing or crossing is prohibited in that lane.
separates two lanes traveling in the same direction.
marks the right edge of the roadway.
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SD DMV Test Facts

Number of questions: 25
Correct answers to pass: 20
Passing score: 80%
Number of questions: 25
Correct answers to pass: 20
Passing score: 80%
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