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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. When approaching someone using a white cane or guide dog, drivers should:
honk their horn as they proceed past them.
stop until the person is well away from the roadway or path of travel.
carefully drive around them.
2. Arrows on the roadway:
indicate reserved lanes.
indicate HOV lanes.
show which lanes you must use.
3. What is the main reason night driving is more difficult than daytime driving?
Reduced visibility.
Driving within the range.
The use of headlight is required by law.
4. This road sign tells drivers that:
must turn sign
they must change lane immediately.
they must turn either to the right or left.
the one-way street or roadway ahead ends.
5. Before changing lanes or attempting to pass another vehicle, you should:
signal your intention before changing lanes.
Check your blind spots and mirrors.
All of the above.
6. This road sign means:
winding road sign
Low shoulder
Winding road
Sharp turn to the left
7. The driver is about to:
hand signal left turn
turn left.
turn right.
8. When you approach this sign, you must:
school crossing sign
watch for workers crossing the road.
stop if necessary.
None of the above.
9. On slippery roads, drivers should:
leave more space in front of their vehicle.
increase their speed to avoid hydroplaning.
come to a complete stop.
10. The road is the most slippery:
after it rains.
when it first starts to rain.
All of the above.
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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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