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Iowa driver's examination

(From the 2019 Iowa driver handbook)
Number of tests: 24
Number of questions: 35
Passing score: 28
Directions: To get an Iowa’s license, you will have to take the vision screening and a knowledge test if you have an invalid or expired (over one year) out-of-state license, or if you have not had a driver’s license before. If you have a valid out-of-state license that allows you to drive by yourself, the driving test may be waived.

The Iowa knowledge test shows how well you understand road signs, traffic laws, and safe-driving practices. Everything you must know to pass the knowledge test is in Iowa Driver’s Manual guide. The Knowledge tests include 35 multiple choice questions

If you answer at least 28 questions correctly. you will be well prepared to take the knowledge test for your learner's permit.
You have made error so far
Passing grade —
7 or fewer errors
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1.
This sign means:
indiana merging traffic road sign
Merging traffic.
Multiple turns.
Lane shifting.
Do not block intersection.
2.
If the gates at a railroad crossing are down and red lights are flashing, you should:
Stop and proceed only when the gates are raised and the lights have stopped flashing.
Drive around the gates after stopping.
Drive side by side with the train.
3.
Cell phones can be a serious source of driver distractions.
True
False
4.
To check your blind spot when changing lanes to the left, you should glance:
Over your right shoulder.
At your side mirror.
Over your left shoulder.
At your rearview mirror.
5.
You have the right-of-way when turning left on which of the following traffic signals?
A solid green light
A flashing yellow light
A green arrow pointing left
A flashing red light
6.
What do speed limit signs indicate?
Potential driving speeds for the area
The maximum or minimum speed that is legally allowed to be driven
The speed drivers should drive in heavy traffic
The speed drivers should drive under poor conditions
7.
Roads become very slippery:
When it has been raining for an hour or more.
The day after it rains.
For the first 10 to 15 minutes of a rainstorm.
Right after the rain has stopped.
8.
Yellow lines separate:
Traffic lanes on one-way streets.
Traffic moving in opposite directions on two-way roads.
All carpool lanes from regular traffic lanes.
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