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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 means:
divided highway ahead sign
Keep left
Divided highway begins
Keep right
Lane ends
2. This road sign means:
no right turn sign
A left turn can be made only after stopping
Right turn is not permitted
No U-turns
All traffic must turn right at the next intersection
3. You want to turn left at an intersection ahead. A car reaches the intersection from the opposite direction and moves straight ahead. You:
must make a U-turn and then turn right.
must wait for the car to go through before you turn.
may not enter the intersection to prepare for your left turn if the light is green.
can turn left. You have the right of way.
4. Double solid yellow lines mean:
passing is permitted in either direction.
the lane to the right may pass.
the lane to the left may pass.
passing is not permitted in either direction.
5. When dust is blowing across the roadway making it difficult to see other vehicles, you should drive slower and turn on your:
emergency flashers.
parking lights.
6. If you get on a wrong expressway exit, you must:
use the the exit ramp to accelerate to expressway speed and blend with traffic.
get off at the next exit and look for signs that tell you how to return to the expressway.
drive in reverse to return to the expressway.
make a U-turn and return to the expressway.
7. What should you do if your rear wheels start to skid?
Turn the steering wheel in the direction the vehicle is trying to go.
Take your foot off the gas and shift to neutral.
If the vehicle has ABS, pump the pedal carefully.
Steer left if your rear wheels slide right.
8. When you pass another vehicle, before you return to the right lane, you must:
make sure you can see the front bumper of the vehicle you passed.
look at your interior rear-view mirror.
All of the above.
9. Drivers cannot to pass a vehicle on the left if:
they approach the top of a hill on a two-way road and cannot see over it.
they can not safely return to the right lane before the center line changes from a broken line to a solid one.
they are within 100 feet of a railroad crossing.
All of the above.
10. This sign indicates:
slow moving vehicle sign
A slow-moving vehicle
A shared lane
A no-passing zone
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IA Knowledge Test Facts

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