FREE Iowa Endurance Practice Test 2026

100 questions80% to passExplanations includedFree
35
Real test questions
80%
Pass score

This Endurance Test is modeled on the Department of Transportation (DOT) written knowledge exam, which has 35 questions and requires 28 correct (80%) to pass. It strings together up to 100 Iowa questions in a single sitting so weak spots have nowhere to hide. Every question includes an explanation, so you learn the rule behind each answer - not just whether you got it right.

Question 1 of 100

Which agency administers the driver's license written test in Iowa?

Iowa DOT Test Info

Questions on real test
35
Passing score
80%
Correct needed
28 of 35
Minimum age
14 years old
Testing agency
Department of Transportation
Official IA DOT Website ↗

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Study Tip

Don't just aim to pass this Iowa Endurance Test once - keep taking it until you score 80% or higher two or three times in a row. Read the explanation after every question, even the ones you get right, to lock in the rule before your DOT exam.