IA / PASSENGER-CAR KNOWLEDGE TEST

Build your road sense.

Iowa DOT’s Driver’s Manual is paired with a 25-question practice test and a detailed instruction-permit pathway. Study traffic signs, lane rules, preparation, and basic driving skills, then test yourself on supervised-practice limits.

Start a 5-question drive About 3 minutes · Free practice
YOUR FIRST SMALL WIN

See what you already know.

Get a short explanation after every answer, then use the next step to keep moving.

Start daily drive

Practice questions

65 mixed questions with explanations and source links.

Exam-style practice

Answer without hints, then review your complete session.

Fix my mistakes

Return to missed questions and make the rule stick.

THE LEARNING ROUTE

One topic at a time.

See all lessons
BEFORE YOUR APPOINTMENT

Prepare with the official source.

01

Iowa’s instruction permit begins at age 14 after knowledge and vision testing and written parental or guardian consent.

02

Permit practice requires adult supervision; qualifying supervisors include a parent, guardian, immediate family member age 21 or older, instructor, or an approved adult age 25 or older.

03

Iowa prohibits permit holders from using a phone, smartphone, tablet, or electronic communication or entertainment device while driving, with a narrow exception for permanently installed equipment.

Requirements can depend on your age, license history, and permit type. Check Iowa Department of Transportation's permit information before making an appointment.

TRY THE MATERIAL

A few Iowa questions.

These original practice questions include explanations and source links. They are not official exam questions.

01Which Iowa permit activity is prohibited while the vehicle is moving?
  • A. Using a smartphone or other electronic communication device
  • B. Checking mirrors
  • C. Wearing a safety belt
  • D. Signaling a turn

Answer: Using a smartphone or other electronic communication device

Iowa DOT lists cell phones and electronic communication or entertainment devices among permit restrictions, subject to its stated exception.

Read the official source
02At an Iowa uncontrolled intersection, which vehicle generally has priority when both arrive together?
  • A. The vehicle approaching from the right
  • B. The vehicle with more passengers
  • C. The vehicle on the left
  • D. The faster vehicle

Answer: The vehicle approaching from the right

The driver on the left yields to the vehicle on the right when no sign or signal otherwise controls the intersection.

Read the official source
03What is the first step in Iowa’s permit path?
  • A. Buy a vehicle before studying
  • B. Pass the knowledge and vision tests and obtain the instruction permit
  • C. Drive unsupervised to school
  • D. Take the road test alone

Answer: Pass the knowledge and vision tests and obtain the instruction permit

Iowa DOT describes the instruction permit as the first GDL step after knowledge and vision testing.

Read the official source
04An Iowa instruction-permit driver wants to practice alone on a quiet road. What does the permit allow?
  • A. Practice alone after passing vision screening
  • B. Practice alone only during daylight
  • C. Practice only with a qualifying adult supervisor
  • D. Practice alone if under 25 mph

Answer: Practice only with a qualifying adult supervisor

Iowa’s permit restrictions prohibit driving without adult supervision.

Read the official source
05An Iowa driver is about to back from a driveway. What should happen first?
  • A. Rely only on the side mirrors
  • B. Back quickly before pedestrians arrive
  • C. Check behind the vehicle and back slowly while looking in the direction of travel
  • D. Sound the horn and close your eyes

Answer: Check behind the vehicle and back slowly while looking in the direction of travel

Direct observation and slow control reduce the risk of striking a person or object behind the vehicle.

Read the official source

What to expect from practice

Does this match the official Iowa test?

Our exam-style sessions use a mixed practice set with feedback held until the end. They do not reproduce the official test, its question pool, or every possible rule. Study the complete state handbook as well.

What does my progress score mean?

Your progress reflects answers submitted here, including the topics you have practiced and your latest answer to each question. It is a study aid, not a validated probability of passing.

Is this an official DMV service?

No. Ace the DMV is an independent study platform. Use the official agency links for applications, appointments, fees, and eligibility decisions.

FOCUSED STUDY ROUTES

Practice by topic.

Take one part of the handbook at a time, then read the official source.

Open the Iowa driver handbook guide