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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 warns drivers that:
side road sign
the road will make a sharp turn to the right.
left turns are not allowed at the intersection.
another road enters the highway from the direction shown.
2. If you remain in the back blind spot of a large vehicle:
the large vehicle will take much longer to stop.
you increase the chance of a crash.
you can reduce fuel consumption.
3. Drivers should adjust their rearview and side mirrors:
before they get into the car.
before they start driving.
whenever they need to use them.
4. When you come to a flashing yellow light, you must:
speed up to beat the red light.
stop before crossing.
slow down and cross carefully.
5. Before crossing any railroad tracks, you must:
look and listen for trains.
make sure there is room for your vehicle on the other side.
All of the above.
6. When they see a yellow X signal, drivers should:
lane yellow x
come to a complete stop at the marked stop line.
turn off the ignition.
prepare to leave the lane safely.
7. This is:
side road sign
a right curve sign.
a side road sign.
a merging traffic sign.
8. __________________ is a safe driving technique.
Checking your rearview mirrors frequently
Using your high beam lights in fog
Staring at the road ahead of your vehicle
9. Which signs have black letters on a yellow or orange background?
Railroad advance warning signs (round)
Warning signs (diamond)
Regulatory signs (vertical rectangle)
10. When a ‘Road Closed’ sign is displayed, drivers must:
come to a complete stop and wait for the lights to turn green.
look for a detour or another route.
make a U-turn.
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SD DMV Knowledge Test Facts

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