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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 SD 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. This road sign means:
Crossroads ahead
There is a detour ahead
The highway ahead is being repaired, approach with caution
2. When they see this sign, drivers should:
increase their speed and keep well to the right.
slow down and keep well to the right.
slow down and keep well to the left.
3. In heavy rain, tires can begin to ride on the water that is on top of the road pavement. This is called:
4. The only effective method to reduce your BAC is:
drinking coffee.
not to drink over a period of time.
eating before or while you drink.
5. When drivers see this road sign:
they must come to a complete stop and call the police.
they must not drive past this sign.
they must turn around immediately.
6. When they see this sign drivers should:
slow their speed, keep to the left, and do not pass.
slow their speed, keep to the right, and do not pass.
increase their speed, keep to the right, and pass.
7. You can identify aggressive drivers by:
their tendency to drive slow.
erratic lane changes.
the number of passengers in their car.
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:
can not turn left.
must turn into its right lane.
must turn into its left lane.
9. When entering the interstate, you should check for a gap in traffic in the nearest lane, adjust your speed to meet that gap, signal and:
slow down.
wait for the lane to be clear.
merge carefully into that gap.
10. Which sign has white letters on a red background?
School zone
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SD DMV Driving 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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