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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. Arrows on the roadway:
show which lanes you must use.
indicate HOV lanes.
indicate that you can not pass or change lanes.
indicate reserved lanes.
2. Where are yield signs usually placed?
At intersections, if there is no marked stop line.
Where auxiliary roads lead into major roads.
Near school zones.
Where major roads lead into auxiliary roads.
3. This road sign means:
sharp right left
The road ahead turns sharply right then sharply left
Winding road ahead
A road joins from the left
Sharp right turn
4. This road sign means:
pedestrian crossing
School zone ahead
Pedestrian crossing ahead
Pedestrians must not cross
5. When a ‘Road Closed’ sign is displayed, drivers must:
look for a detour or another route.
remove the sign and move forward.
come to a complete stop and wait for the lights to turn green.
make a U-turn.
6. Excessive speed:
increases the likelihood of serious bodily injuries and death.
helps you to maneuver around obstacles.
saves time so you can get to your destination more quickly.
7. If your brakes are wet, you can dry them by:
riding the pedal lightly.
having them checked by a mechanic.
pull over to the right and wait until it stops raining.
None of the above.
8. Headlights are required, day or night, when visibility is less than ____ feet.
9. This sign warns of a ________ ahead.
hill sign
no passing zone
soft shoulder
10. The following symptoms are associated with drowsy driving:
You don’t remember driving the last few miles.
Your eyes go out of focus by themselves.
You continue to yawn.
All of the above.
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IA DMV Written Test Facts

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