Free Iowa DMV Driving Test Practice 2026 / IA

Question 1

You are approaching a stopped school bus with flashing red lights. What must you do?

Accepted Answer

Stop and wait until lights stop flashing.

Answer

Slow down and proceed with caution.

Answer

Pass quickly on the left.

Answer

Honk to alert children.

Question 2

What does a diamond-shaped road sign indicate?

Accepted Answer

Warning of hazards or conditions ahead.

Answer

Speed limit information.

Answer

Regulatory notice.

Answer

Railroad crossing.

Question 3

When backing up your vehicle, you should:

Accepted Answer

Check behind you and back up slowly.

Answer

Rely only on your mirrors.

Answer

Honk before backing up.

Answer

Turn the wheel quickly.

Question 4

If your accelerator sticks while driving, you should:

Accepted Answer

Shift to neutral and apply the brakes.

Answer

Turn off the ignition immediately.

Answer

Pull the accelerator with your foot.

Answer

Try to pump the pedal hard.

Question 5

What is the primary purpose of seat belts?

Accepted Answer

To keep you from being thrown in a crash.

Answer

To help you avoid tickets.

Answer

To protect you in minor crashes only.

Answer

To help adjust your driving posture.

Question 6

When approaching a roundabout, you must:

Accepted Answer

Yield to traffic already in the roundabout.

Answer

Enter without stopping.

Answer

Stop and wait for a green light.

Answer

Always take the inside lane.

Question 7

What does a broken white line on the road mean?

Accepted Answer

You may change lanes if safe.

Answer

Passing is not allowed.

Answer

Stay in your lane at all times.

Answer

Only trucks may use that lane.

Question 8

When driving in rain, the road is most slippery:

Accepted Answer

Just after the rain starts.

Answer

After it has been raining for hours.

Answer

On concrete roads only.

Answer

When puddles are deep.

Question 9

If you miss your exit on the highway, what should you do?

Accepted Answer

Proceed to the next exit.

Answer

Back up carefully to the exit.

Answer

Make a U-turn on the shoulder.

Answer

Stop and wait for a break in traffic.

Question 10

What is the legal blood alcohol concentration (BAC) limit for most drivers 21 and older?

Accepted Answer

0.08%

Answer

0.10%

Answer

0.05%

Answer

0.00%

Question 11

To safely share the road with motorcyclists, you should:

Accepted Answer

Give them a full lane and increase your following distance.

Answer

Follow them closely to encourage faster driving.

Answer

Use your horn when near them.

Answer

Pass them quickly and closely.

Question 12

If your vehicle has an anti-lock braking system (ABS), how should you brake in an emergency?

Accepted Answer

Slam and hold the brake pedal.

Answer

Pump the brakes.

Answer

Shift to neutral and coast.

Answer

Tap the brakes lightly.

Question 13

When two vehicles arrive at an uncontrolled intersection at the same time, who has the right of way?

Accepted Answer

The vehicle on the right.

Answer

The larger vehicle.

Answer

The vehicle on the left.

Answer

The faster vehicle.

Question 14

What should you do when approaching a crosswalk with pedestrians waiting?

Accepted Answer

Stop and let them cross.

Answer

Honk to alert them.

Answer

Speed up to pass before they cross.

Answer

Proceed unless they step off the curb.

Question 15

When driving in the dark, you should use your high beams:

Accepted Answer

On winding roads and open highways without oncoming traffic.

Answer

At all times, even in cities.

Answer

When behind another vehicle.

Answer

During heavy rain or fog.

Question 16

When driving past parked cars, you should watch for:

Accepted Answer

All of the above.

Answer

People crossing between vehicles.

Answer

Car doors opening.

Answer

Vehicles pulling out.

Question 17

Which of the following is a distraction while driving?

Accepted Answer

All of the above.

Answer

Adjusting the radio.

Answer

Using a cell phone.

Answer

Eating food.

Question 18

You approach an intersection with a flashing red light. You must:

Accepted Answer

Stop completely and proceed when safe.

Answer

Slow down and proceed with caution.

Answer

Ignore the light if no cars are around.

Answer

Honk and drive through.

Question 19

When driving on gravel or dirt roads, you should:

Accepted Answer

Maintain a safe following distance and reduce speed.

Answer

Drive as fast as on pavement.

Answer

Tailgate to reduce dust.

Answer

Pass other cars aggressively.

Question 20

What should you do if an emergency vehicle is stopped ahead with flashing lights?

Accepted Answer

Move over a lane or slow down if not possible.

Answer

Honk and continue driving.

Answer

Stop immediately in your lane.

Answer

Drive faster to get past quickly.

Question 21

When should you use your parking lights?

Accepted Answer

Only when parked in certain legal conditions.

Answer

While driving at night.

Answer

In heavy fog.

Answer

While driving in reverse.

Question 22

To help prevent hydroplaning on wet roads, you should:

Accepted Answer

Slow down and avoid sudden turns or stops.

Answer

Drive at posted speed limits.

Answer

Increase speed to stay above water.

Answer

Turn on cruise control.

Question 23

When may you legally turn left at a red light?

Accepted Answer

From a one-way street onto another one-way street.

Answer

Never.

Answer

From any lane unless marked.

Answer

Only in rural areas.

Question 24

You are driving behind a motorcycle. What is a safe following distance?

Accepted Answer

4 seconds or more.

Answer

1 second.

Answer

2 seconds.

Answer

Same as a car.

Question 25

What does a solid yellow line next to a broken yellow line mean?

Accepted Answer

Passing allowed only if on the broken side.

Answer

Passing allowed for both directions.

Answer

No passing in either direction.

Answer

You may cross to turn only.

Iowa DMV Practice Test 2026

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