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Anyone who operates a motor vehicle on public streets and roads in Iowa is required to have a driver’s license or learner’s permit. Iowa requires that you pass a vision screening before you get a driver’s license or learner’s permit. The IA DMV written test covers the contents of the Iowa Driver's Manual including highway signs, road rules, and safe driving techniques. The Iowa DMV knowledge test consists of 35 questions, and you'll need at least 28 correct answers to pass (80%). Practice with this sample test to get ready for the official IA driver's license test.
1. This road sign is:
slower traffic keep right
a speed reduction sign.
a guide sign.
a warning sign.
a regulatory sign.
2. This road sign means:
side road sign
All traffic must turn right
A side road enters ahead
Two one-way roads merge ahead
No right turn
3. Never make a U-turn from:
the lane you’re in.
the left part of the lane nearest to the centerline of the roadway.
the right lane.
the left lane.
4. If you stop along the road at night:
turn off your emergency lights and leave your high beams on.
turn on your headlights only.
turn on your emergency flashers and leave your low beams on.
turn off all your lights.
5. This road sign means:
construction signs
Stop ahead
Do not enter
Road construction ahead
6. You should never depend on your mirrors when you prepare to change lanes. Why?
Mirrors are useless.
You should look over your shoulder instead.
Mirrors leave “blind spots” behind both sides of vehicles.
Mirrors need to be adjusted.
7. What does it mean if an oncoming driver flashes headlights at you during a period of low visibility?
You are driving in the wrong direction. Make a U-turn as soon as possible.
Your vehicle was difficult to see. You should turn on your headlights.
Your headlights are too bright. You should turn them off.
Your headlights are too bright. You should use parking lights instead.
8. This road sign means:
no u turn sign
Two way left turn
No parking
No U-Turn
No right turn
9. Regulatory signs are:
blue rectangles.
green rectangles.
white triangles.
white rectangles.
10. This sign means:
traffic signal ahead sign
You must stop ahead
Traffic signals ahead
Speeding is not allowed
You must yield the right-of-way ahead
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IA DMV Knowledge Test Facts

Number of questions: 35
Correct answers to pass:28
Passing score:80%
Minimum age to apply: 14
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