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Iowa · available now

Iowa driver knowledge practice

Original practice questions on road signs, traffic rules, right-of-way, and safe driving — written from Iowa's own public driving law.

From the law

Every Iowa question stands on Iowa's law.

Impaired driving · Iowa

A driver age 21 or older is legally over the limit once their blood alcohol concentration reaches which level?

A0.05%
B0.08%
C0.10%
D0.12%
Iowa driving law — 0.08% adult limit
Road signs · Iowa

A red, eight-sided (octagonal) sign at an intersection requires a driver to do what?

ASlow down and proceed if it looks clear
BCome to a complete stop
CYield to traffic on the left only
DStop only when other cars are present
National sign standard (MUTCD) · used by every state
Real questions · free sample

Straight from Iowa's own law

Three of the 30 free sample questions — each one cites the exact Iowa law it is built on.

Iowa · speed

Unless a different limit is posted or otherwise provided, what is Iowa's general speed limit for all vehicular traffic?

A45 mph
B55 mph
C65 mph
D70 mph
From the law:the speed limit for all vehicular traffic shall be fifty-five miles per hour
Iowa Code § 321.285
Iowa · right of way

Two vehicles reach an intersection from different roads at about the same time. Under Iowa law, who must yield?

AThe vehicle on the right yields to the vehicle on the left
BThe vehicle on the left yields to the vehicle on the right
CThe vehicle traveling faster yields
DThe larger vehicle yields
From the law:the driver of the vehicle on the left shall yield the right-of-way to the vehicle on the right
Iowa Code § 321.319
Iowa · dui alcohol

In Iowa, a driver commits OWI (operating while intoxicated) if their alcohol concentration is at least what level?

A.02
B.05
C.08
D.10
From the law:While having an alcohol concentration of .08 or more
Iowa Code § 321J.2
Questions & answers

Iowa practice test — FAQ

How many Iowa practice questions are there?

657 original practice questions plus 30 free sample questions — every one written and verified from Iowa's own driving law.

Are these the official Iowa test questions?

No. DriveTestIQ is independent and not affiliated with any government agency. Every question is original, written and verified from Iowa's public driving law.

Is there a free Iowa practice test?

Yes — 30 free sample questions, no account or card needed.

How much does full access cost?

$39 for 7 days or $59 for 30 days. One-time payments — no subscription, no auto-renew.

What topics do the Iowa questions cover?

Road signs and signals, right-of-way, speed and parking rules, licensing, impaired driving, and safe-driving practice — each grounded in Iowa law.

Free sample

Run the 30-question sample set up to 3 times free, so you can judge the quality before paying. No account required to try.

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Full Iowa bank

A one-time unlock for the complete Iowa question bank and all core study features — Practice Tests, Exam-Style Practice, Challenge Bank, and Weak Area Review.

$39 for 7 days·$59 for 30 days

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