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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 South Dakota Driver's Manual, and includes questions on safe driving practices, road rules, road signs and signals. The SD DMV 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. This road sign means:
road construction
Crossroad ahead
There is a detour ahead
The highway ahead is being repaired
2. When they see this sign, drivers should:
right curve sign
Increase their speed and keep well to the right.
Slow down and pass other vehicles before they reach the curve.
Slow down, and not pass other vehicles.
3. In heavy rain, tires can begin to ride on the water that is on top of the road pavement. This is called:
4. What is the only effective method to reduce your BAC?
Drinking coffee.
Not drinking over a period of time.
Eating before or while you drink.
5. When they see this road sign, drivers must:
wrong way sign
come to a complete stop and call the police.
treat it as a Yield sign.
not drive past this sign.
6. When you see this sign you should:
double curve sign
slow your speed and be prepared to stop.
slow down and do not pass other vehicles.
increase your speed and try to pass other vehicles.
7. Aggressive driving behaviors can include:
a tendency to drive slow.
erratic lane changes.
excessive following distance.
8. When you make a left turn from a one-way road into a one-way road, if the road you enter has two lanes, you:
cannot turn left.
must turn into its right lane.
must turn into its left lane.
9. When entering an interstate highway, you should check for a gap in traffic in the nearest lane, adjust your speed to match the flow of traffic, signal and:
slow down gradually.
wait for the lane to be clear.
merge into that gap when safe.
10. Which sign has white letters on a red background?
School zone
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SD DMV Written Test Facts

Number of questions: 25
Correct answers to pass:20
Passing score:80%
Minimum age to apply: 14
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