Iowa · IA

Iowa DMV Practice Test 2026

The official Iowa written knowledge exam has 35 questions. You need 28 correct (80%) to pass. Our practice tests match the exact format, topics, and difficulty of the real Iowa DMV test.

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Iowa Specialty

What makes the Iowa DMV test unique?

State Specialty

Iowa's exam emphasizes rural two-lane passing, blizzard snow-emergency protocols, and agricultural vehicle right-of-way.

Iowa-Specific Law

Slow-moving vehicle (SMV) triangles are required on any vehicle traveling 35 mph or less on public roads — common in rural Iowa.

Study Tip

Iowa issues Intermediate Licenses at 16 with nighttime and passenger restrictions — questions on these restrictions are common.

Sample Question

Iowa Practice Preview

One example from our Iowa-localized question bank.

Iowa Road Rules

Under Iowa law, which of the following is correct about the rule described?

A Drivers may ignore the rule if no police are visible.

B Slow-moving vehicle (SMV) triangles are required on any vehicle traveling 35 mph or less on public roads — common in rural Iowa.

C The rule only applies on interstate highways.

D The rule only applies to commercial drivers.

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Iowa DMV Test FAQ

Answers to the questions Iowa test-takers ask most.

How many questions are on the Iowa DMV written test?

The Iowa DMV written (knowledge) exam contains 35 multiple-choice questions. You must answer at least 28 correctly (80%) to pass. The test is administered by the Iowa Department of Transportation (Iowa DOT).

What makes Iowa's DMV test different?