Iowa DOT Permit Practice Test 2026: Practice test 4

1. Question 1 of 25

   Where are a large truck's blind spots, or No-Zones?

   • AIn front, behind and along both sides
   • BTrucks have no blind spots because the driver sits up high
   • COnly on the left side
   • DOnly directly behind it
   Show answer

   Answer: A. In front, behind and along both sides

   Large trucks and buses have big blind spots on all four sides. Do not stay in them.

2. Question 2 of 25

   What does this sign mean?

   • AA YIELD sign is ahead; be ready to slow down or stop
   • BNo passing
   • CA railroad crossing is ahead
   • DMerge into the next lane now
   Show answer

   Answer: A. A YIELD sign is ahead; be ready to slow down or stop

   Slow down so you can yield to traffic at the YIELD sign ahead.

3. Question 3 of 25

   What does this sign mean?

   • AHospital staff parking
   • BA wheelchair crossing is ahead
   • CLoading zone
   • DParking only for vehicles with a valid disability placard or license plate
   Show answer

   Answer: D. Parking only for vehicles with a valid disability placard or license plate

   Do not park in these spaces unless your vehicle displays a valid disability placard or plate. You can be fined.

4. Question 4 of 25

   What should you do when you see this sign?

   • ASlow down and watch for deer, especially at dawn and dusk
   • BTurn off your headlights so deer are not blinded
   • CHonk your horn the whole time
   • DSwerve sharply if you see a deer
   Show answer

   Answer: A. Slow down and watch for deer, especially at dawn and dusk

   Deer are most active at dawn and dusk. If one appears, brake firmly and stay in your lane rather than swerving.

5. Question 5 of 25

   Your car goes into deep water and starts to sink. What should you do?

   • AStay buckled and wait for help
   • BUnbuckle and escape through a window
   • COpen a door right away
   • DTurn the engine off and on again
   Show answer

   Answer: B. Unbuckle and escape through a window

   Get out through a window. Opening a door can let water rush in and roll the car over.

6. Question 6 of 25

   Besides police cars, which stopped vehicle with flashing lights should you also slow down and move over for?

   • AA tow truck helping a driver on the shoulder
   • BA car parked in a driveway
   • CA delivery van parked at the curb
   • DA bus at a bus stop with no lights flashing
   Show answer

   Answer: A. A tow truck helping a driver on the shoulder

   In many states, Move Over rules also cover tow trucks and highway work vehicles with flashing lights. Giving them space protects the people working beside the road.

7. Question 7 of 25

   A driver is tailgating you. What is the safest thing to do?

   • ABrake suddenly to warn the driver
   • BStop on the shoulder right away
   • CKeep a steady speed, leave extra space ahead, and let the driver pass
   • DSpeed up to get away
   Show answer

   Answer: C. Keep a steady speed, leave extra space ahead, and let the driver pass

   Do not react with sudden braking. Keep extra space in front of you so you can stop gently, and let the tailgater pass when possible.

8. Question 8 of 25

   Which numbered marking means that drivers from both directions may not pass?

   • AMarking 5
   • BMarking 3
   • CMarking 2
   • DMarking 4
   Show answer

   Answer: B. Marking 3

   A double solid yellow line (marking 3) means no passing in either direction.

9. Question 9 of 25

   You see this emblem on the back of a vehicle. What does it mean?

   • AThe vehicle moves much slower than normal traffic, like farm equipment
   • BThe vehicle carries hazardous materials
   • CIt is carrying a wide load
   • DIt is an emergency vehicle
   Show answer

   Answer: A. The vehicle moves much slower than normal traffic, like farm equipment

   You can come up on these vehicles very quickly. Slow down early and pass only when it is safe and legal.

10. Question 10 of 25

    In most states, how far before a turn should you start signaling?

    • AAt least 10 feet
    • BOnly as you begin to turn
    • CAt least half a mile
    • DAt least 100 feet
    Show answer

    Answer: D. At least 100 feet

    Most state laws require you to signal at least 100 feet before you turn. Check your state handbook in case a longer distance applies.

11. Question 11 of 25

    In which direction does traffic travel in a US roundabout?

    • AToward the center island
    • BCounterclockwise
    • CClockwise
    • DEither direction
    Show answer

    Answer: B. Counterclockwise

    In the United States, traffic in a roundabout moves counterclockwise, to the right of the center island.

12. Question 12 of 25

    Your light turns green, but a pedestrian is still crossing in front of you. What should you do?

    • AHonk so the pedestrian hurries
    • BWait until the pedestrian has finished crossing
    • CDrive slowly around the pedestrian
    • DGo, because you have a green light
    Show answer

    Answer: B. Wait until the pedestrian has finished crossing

    A green light lets you go only after you yield to pedestrians in the crosswalk and vehicles already in the intersection.

13. Question 13 of 25

    Which headlights should you use in fog?

    • ALow beams
    • BHigh beams
    • CNo lights, to reduce glare
    • DParking lights only
    Show answer

    Answer: A. Low beams

    High beams reflect off fog and cause glare. Low beams help you see and help others see you.

14. Question 14 of 25

    When is it safe to pull back in front of a large truck you have passed?

    • AAs soon as you pass the cab
    • BWhen the truck driver honks
    • CWhen you can see the whole truck in your rearview mirror
    • DRight after your rear bumper passes its front bumper
    Show answer

    Answer: C. When you can see the whole truck in your rearview mirror

    Cutting in too soon puts you in the truck's front blind spot, where it cannot stop in time. Wait until you see it in your mirror.

15. Question 15 of 25

    What does this sign mean?

    • AThe road ahead becomes a divided highway; keep right
    • BThe divided highway ends
    • CA narrow bridge is ahead
    • DA crossroad is ahead
    Show answer

    Answer: A. The road ahead becomes a divided highway; keep right

    A median or barrier will separate the two directions of traffic. Keep to the right of it.

16. Question 16 of 25

    What information should drivers exchange after a crash?

    • ANothing, because the police handle it
    • BOnly phone numbers
    • CNames, addresses, driver license numbers, vehicle registration and insurance
    • DOnly the names of their insurance companies
    Show answer

    Answer: C. Names, addresses, driver license numbers, vehicle registration and insurance

    Give and get names, addresses, license numbers, registration and insurance details from the other drivers involved.

17. Question 17 of 25

    Your car stalls on railroad tracks and a train is coming. What should you do?

    • ATry to push the car off the tracks
    • BRun along the tracks away from the train
    • CStay in the car and keep trying to start it
    • DGet everyone out and walk away from the tracks at an angle toward the train
    Show answer

    Answer: D. Get everyone out and walk away from the tracks at an angle toward the train

    Get out right away. Moving toward the train at an angle keeps you away from flying debris, which spreads in the direction the train is going.

18. Question 18 of 25

    You are involved in a minor crash. What must you do?

    • AWait in your car until the other driver leaves
    • BStop at the scene
    • CDrive home and call your insurance company
    • DLeave if the damage looks small
    Show answer

    Answer: B. Stop at the scene

    If you are in a crash, you must stop, no matter how small the damage is.

19. Question 19 of 25

    The gates at a railroad crossing are coming down. What should you do?

    • ASpeed up and go under the gates
    • BStop on the tracks until the gates rise
    • CStop and wait until the gates are up and the lights stop flashing
    • DDrive around the gates if you cannot see a train
    Show answer

    Answer: C. Stop and wait until the gates are up and the lights stop flashing

    Never drive around or under lowered or lowering gates. Wait until they are fully up.

20. Question 20 of 25

    What does implied consent mean?

    • APolice may search your home at any time
    • BYou may refuse a chemical test with no penalty
    • CBy driving, you have agreed to a chemical test for alcohol or drugs if lawfully asked by police
    • DYour passengers must also be tested
    Show answer

    Answer: C. By driving, you have agreed to a chemical test for alcohol or drugs if lawfully asked by police

    Under implied consent laws, getting a license and driving means you agree to be tested when an officer lawfully asks.

21. Question 21 of 25

    A car in the lane next to you has stopped at a crosswalk. What should you do?

    • AHonk and pass
    • BChange lanes and speed up
    • CStop as well, because a pedestrian may be crossing
    • DPass it carefully
    Show answer

    Answer: C. Stop as well, because a pedestrian may be crossing

    Never pass a vehicle that has stopped at a crosswalk. A pedestrian you cannot see may be crossing in front of it.

22. Question 22 of 25

    What does this sign mean?

    • AThe signal ahead is broken
    • BThere is a pedestrian signal only
    • CThere is a traffic signal ahead
    • DA railroad signal is ahead
    Show answer

    Answer: C. There is a traffic signal ahead

    Slow down and be ready to stop for a red light. This sign is used where the signal is hard to see.

23. Question 23 of 25

    What does this sign mean?

    • ATraffic from another road will join your lane; be ready to let it in
    • BTwo lanes become three
    • CYour lane ends and you must exit
    • DA divided highway begins
    Show answer

    Answer: A. Traffic from another road will join your lane; be ready to let it in

    Traffic is merging from the side shown. Adjust your speed, or change lanes if it is safe, so vehicles can merge smoothly.

24. Question 24 of 25

    When may you pass another vehicle on the right?

    • AWhen the vehicle ahead is turning left and there is room to pass safely
    • BWhen you can use the shoulder
    • CWhenever the vehicle ahead is slow
    • DOnly on a two-lane road
    Show answer

    Answer: A. When the vehicle ahead is turning left and there is room to pass safely

    You may pass on the right only when it is safe, such as when the car ahead is turning left or on a road with two or more lanes your way. Never use the shoulder.

25. Question 25 of 25

    An angry driver makes rude gestures and shouts at you. What should you do?

    • AStay calm, avoid eye contact, and do not respond
    • BSpeed up to get in front of the driver
    • CBrake suddenly to teach the driver a lesson
    • DGesture back
    Show answer

    Answer: A. Stay calm, avoid eye contact, and do not respond

    Do not challenge an aggressive driver. Stay calm, ignore the gestures, and give the driver space.

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