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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. Continuous hard braking on ice and snow often:
is the best option during winter.
causes the front wheels to lock.
keeps the brakes from freezing.
2. Always stop before you cross railroad tracks when:
you are following a bicyclist or motorcyclist across railroad tracks.
you are not wearing safety belts.
you don't have room on the other side to completely cross the tracks.
3. At a stop sign there is no stop line, you must stop:
after you enter the crosswalk.
before you enter the intersection.
before you enter the crosswalk.
4. When riding in a vehicle equipped with air bags is, children ages 12 and under are safer:
buckled up in the back seat.
buckled up in the front seat.
in the bed of a pick-up truck.
5. This warning sign:
speed reduction sign
shows the current speed limit that all vehicles traveling in the direction of the arrow must not exceed.
provides advance notice to upcoming speed limit change.
indicates the suggested highest safe speed.
6. What is a likely effect when you take another drug while you drink alcohol?
The effects of the alcohol and the drug are enhanced.
There are no effects, unless the drug is prescription only.
If the drug is over-the-counter, there are no effects.
7. This road sign means:
yield ahead sign
Side road ahead
Side road entering from the left
Yield sign ahead
8. When driving on a roadway with a single broken white line:
you may not cross the broken white line.
you may cross the broken white line to change lanes.
you may change lanes only if you are in the right lane.
9. At a crosswalk:
construction workers must yield to drivers.
drivers must yield to pedestrians.
pedestrians must yield to drivers.
10. When driving in a construction zone you should:
expect the unexpected.
slightly increase your speed.
come to a complete stop and check road conditions.
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SD DMV Permit Test Facts

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