Iowa Permit Practice Test 4
25 questions written from the Iowa Driver's License Manual, with an explanation and page citation for every answer.
Under Iowa law, how must a child under one year old who weighs less than 20 pounds ride?
Keyboard: press 1–4 or A–D to answer, Enter for the next question, S to save, R to read aloud, P to pause reading, L to listen and answer.
About this test
These questions were written from the Iowa Driver's License Manual (Form M M1170 07/23/2026). 14 of the 20 Iowa questions in this test cover rules that are specific to Iowa or differ between states. Every answer comes with an explanation and a link to the exact page it comes from, so you can check it yourself.
Your answers are saved in this browser. Questions you miss go to My mistakes so you can practice them again.
Sample questions from this test
Under Iowa law, how must a child under one year old who weighs less than 20 pounds ride?
- A In a rear-facing child restraint
- B In a forward-facing booster seat
- C In a seat belt in the back seat
- D On an adult's lap in the back seat
Show answer
A. In a rear-facing child restraint
Iowa requires a child under one year old and under 20 pounds to ride in a rear-facing child restraint system. From then until age six, a child safety seat or booster seat is required.
A driver is tailgating you. What does the Iowa manual recommend?
- A Move left and slow down to block them
- B Speed up to get away from them
- C Move slightly right and signal early so they can see ahead
- D Stay in the center of your lane and ignore them
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C. Move slightly right and signal early so they can see ahead
If you are being tailgated, move slightly right so the driver can see ahead, signal early for turns and stops, and slow down to encourage them to pass. If all else fails, pull out of the traffic flow.
No officer investigated your Iowa crash. When must you send a written crash report to the Iowa DOT within 72 hours?
- A Only when someone is injured or killed
- B When damage is more than $500
- C Injury, death, or damage of $5,000 or more
- D Only when you were at fault
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C. Injury, death, or damage of $5,000 or more
Since July 1, 2026, Iowa requires a written report to the DOT within 72 hours after a crash that causes injury, death or $5,000 or more in damage, or any crash if your vehicle is uninsured, unless police investigated it. Older materials still show $1,500.
Source: Iowa Department of Transportation, Motor Vehicle Division website
You are 15 and hold an Iowa instruction permit. Which of these licensed people may supervise your driving without any written note from your parent?
- A Your 22-year-old sister
- B Your 19-year-old brother
- C Your 18-year-old best friend
- D Your 23-year-old neighbor
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A. Your 22-year-old sister
A licensed immediate family member who is at least 21 counts as adult supervision for an Iowa permit driver. Your parent, guardian, custodian or a driver education instructor also qualifies. The age rule makes sure your supervisor has some driving experience.
Source: Iowa Department of Transportation, Motor Vehicle Division website
A yellow pennant-shaped sign is posted on the left side of the road. What does it warn you about?
- A The start of a no-passing zone
- B A school crossing ahead
- C A railroad crossing ahead
- D Traffic merging from the left
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A. The start of a no-passing zone
The pennant is the only sign shaped like a sideways triangle, and it is placed on the left side of the road to mark the beginning of a no-passing zone. You can see it from the driver's seat as you think about pulling out to pass.