Test at a Glance
Iowa Knowledge Test Quick Facts
Questions
35
Passing Score
80%
Test Fee
$8 (permit fee)
Time Limit
No time limit
Min. Age
14
Difficulty
Easy
Online Test?
No — in person only
Based On
2026 Iowa Driver's Manual
The Iowa DOT knowledge test has 35 multiple-choice questions. You need 80% (28 of 35) to pass. Study the official Iowa driver's manual and practice with PermitPop.
What's on the Test
Topics on the Iowa Permit Test
Road Signs & Signals
~25%Iowa traffic signs, signals, and pavement markings.
Traffic Laws & Right-of-Way
~30%Iowa traffic laws, right-of-way rules, and school bus regulations.
Safe Driving Practices
~25%Following distances, lane changes, highway driving, and Iowa-specific conditions.
Impaired Driving & Penalties
~10%Iowa DUI/DWI laws, zero-tolerance for under 21, and penalties.
Special Situations
~10%Emergency vehicles, railroad crossings, work zones, and Iowa-specific situations.
How to Get Your Permit
Step-by-Step: Iowa Learner's Permit in 2026
Meet the age requirement
You must be at least 14 years old to apply for a learner's permit in Iowa.
Gather your documents
Bring proof of identity, Social Security card, and parent/guardian consent if under 18.
Complete any required courses
Check with the DOT for driver's ed requirements in Iowa.
Pass the knowledge test
35 questions, 80% to pass (28 correct). Fee: $8 (permit fee).
Pass the vision screening
Standard vision screening at the DOT office.
Get your permit
Once you pass, your learner's permit allows supervised driving with a licensed adult.
Iowa GDL (Graduated Driver License) Rules
Holding Period
12 months
Supervised Hours
20 hours (2 at night)
Nighttime Restriction
12:30 AM - 5 AM
Passenger Restriction
Parental discretion
Cell Phone Rule
No cell phone use under 18
Tips & Common Mistakes
How to Pass the Iowa Permit Test on Your First Try
20% of Iowa test-takers fail on their first attempt. Don't be one of them. Here's what works:
Study the Iowa driver's manual
The official manual is the primary source for all test questions.
Focus on road signs
About 25% of the test covers signs and signals. Know all regulatory, warning, and guide signs.
Know your state-specific rules
Every state has unique laws. Study Iowa's specific traffic rules and penalties.
Practice with realistic questions
PermitPop's Iowa-specific questions match the real test format.
Don't rush
There's no time limit. Read each question carefully and watch for tricky wording.
Most Commonly Missed Topics in Iowa
- 1Right-of-way rules at intersections
- 2Speed limits in school and work zones
- 3Iowa-specific traffic laws and penalties
Failed Your Test?
Just Failed? Here's Your Plan.
It happens — 20% of Iowa test-takers fail on their first attempt.
FAQ
Iowa Permit Test FAQ
How many questions are on the Iowa permit test?+
How much does the Iowa permit test cost?+
How old do you have to be to get a permit in Iowa?+
Can I take the Iowa permit test online?+
Is the Iowa permit test hard?+
PermitPop is not affiliated with the Iowa DOT. Test information is based on the 2026 Iowa Driver's Manual and is updated regularly. Always verify current requirements with your state's official DMV website.