Blind spots other drivers — Iowa Permit Test

Blind spots other drivers on the Iowa permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.

The rules

Blind spots are areas outside your vehicle that cannot be seen using your mirrors.

A car can sit right beside you and not show up in any mirror. Knowing this is why you turn your head before you move over.

Blind spots are areas outside your vehicle that cannot be seen using mirrors.

Iowa Driver's License Manual, p.34

Do not drive in another driver's blind spot; speed up or slow down so the other driver can see your vehicle.

If a driver cannot see you, they may change lanes right into you. Moving ahead or dropping back puts you where they can see you.

Either speed up or slow down so the other driver can see your vehicle.

Iowa Driver's License Manual, p.34

When passing another vehicle, get through the other driver's blind spot as quickly as you can.

Each second you sit beside the other car is a second they might drift over without seeing you. Get past and get clear.

When passing another vehicle, get through the other driver’s blind spot as quickly as you can.

Iowa Driver's License Manual, p.34

Never stay alongside a large vehicle such as a truck or bus; these have large blind spots and it is hard for them to see you.

A truck driver sits high and has big areas beside the trailer they cannot see. A car parked there is easy to crush in a lane change.

Never stay alongside a large vehicle such as a truck or bus. These vehicles have large blind spots and it is hard for them to see you.

Iowa Driver's License Manual, p.34

On the test

What is a blind spot?

An area you cannot see using your mirrors. A car can sit right beside you and not show up in any mirror. Knowing this is why you turn your head before you move over. Iowa Driver's License Manual, p.34: “Blind spots are areas outside your vehicle that cannot be seen using mirrors.”

How this works

Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.

You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.

Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.

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Where these come from

Every rule here is checked against Iowa Driver's License Manual, published by the Iowa Department of Transportation, and against the state code itself. Last checked 2026-10-04.