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Iowa DOT driver's license practice test 3

This Iowa driver's license test has 25 questions written from the Iowa Driver's License Manual, and you can take it without signing up. Its biggest sections are Chapter 2: Traffic Signs and Rules of the Road (9), Chapter 3: Preparing to Drive (5), and Chapter 4: Basic Driving Skills (5). You begin with: "You're on the interstate and a car is merging from the ramp. What should you do?" After each answer you see why it's right or wrong.

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Questions
25
Official handbook
Iowa Driver's License Manual

Practice questions

Question 1 of 250 of 25 answered

You're on the interstate and a car is merging from the ramp. What should you do?

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What this test covers

Every question comes from one of these sections of the Iowa Driver's License Manual.

All 25 questions on this test

Every question on this test is listed here with its answer options. Take the test above to see which answers are correct and why.

  1. Question 1: You're on the interstate and a car is merging from the ramp. What should you do?

    • A. Hold your speed, since merging cars have to yield
    • B. Honk to warn the merging driver
    • C. Move over, slow down, or speed up to let it in

    Source:Iowa Driver's License Manual, Chapter 5: Applying Your Driving Skills

  2. Question 2: While you change lanes, what should you do with your speed?

    • A. Slow down to let traffic in the new lane pass
    • B. Keep it, unless the new lane is slower
    • C. Speed up by about 10 mph

    Source:Iowa Driver's License Manual, Chapter 4: Basic Driving Skills

  3. Question 3: According to the manual's chart, what is the total stopping distance at 30 mph?

    • A. 69 feet
    • B. 268 feet
    • C. 123 feet

    Source:Iowa Driver's License Manual, Chapter 4: Basic Driving Skills

  4. Question 4: Where should a pregnant driver wear the lap belt?

    • A. Across the pelvis, low under the abdomen
    • B. Across the middle of the abdomen
    • C. Behind the back, with the shoulder belt only

    Source:Iowa Driver's License Manual, Chapter 3: Preparing to Drive

  5. Question 5: What color light must light up your rear license plate?

    • A. White
    • B. Red
    • C. Amber

    Source:Iowa Driver's License Manual, Chapter 3: Preparing to Drive

  6. Question 6: Posted maximum speed limits are set for which conditions?

    • A. Night driving on unlit roads
    • B. Rain, snow, and fog
    • C. Ideal driving conditions

    Source:Iowa Driver's License Manual, Chapter 2: Traffic Signs and Rules of the Road

  7. Question 7: A steady yellow X appears over the reversible lane you're in. What should you do?

    • A. Stay in it for left turns only
    • B. Keep going, since the lane is still open to you
    • C. Move out of the lane when it's safe

    Source:Iowa Driver's License Manual, Chapter 2: Traffic Signs and Rules of the Road

  8. Question 8: You're visiting Iowa and hold a current license from your home state. Do you need an Iowa license to drive here?

    • A. No, your home license covers you
    • B. Yes, within 10 days of arriving in Iowa
    • C. Yes, before you use any interstate

    Source:Iowa Driver's License Manual, Chapter 1: Your Driver's License

  9. Question 9: How should you straighten the steering wheel after a turn?

    • A. Let it slip through your fingers
    • B. Turn it back by hand
    • C. Let go and let it spin back

    Source:Iowa Driver's License Manual, Chapter 4: Basic Driving Skills

  10. Question 10: No speed limit is posted in a residential district. What is the limit?

    • A. 20 mph
    • B. 25 mph
    • C. 35 mph

    Source:Iowa Driver's License Manual, Chapter 4: Basic Driving Skills

  11. Question 11: What is a bicycle box?

    • A. A green box that helps cyclists turn at a signal
    • B. A locked bicycle rack next to a transit stop
    • C. A lane for bicycles marked along the highway shoulder

    Source:Iowa Driver's License Manual, Chapter 2: Traffic Signs and Rules of the Road

  12. Question 12: Two lanes are about to become one at a Lane Ends sign. What must traffic do?

    • A. Stop before merging
    • B. Yield when merging
    • C. Speed up to get ahead

    Source:Iowa Driver's License Manual, Chapter 2: Traffic Signs and Rules of the Road

  13. Question 13: Your light turns green but vehicles are still caught in the intersection. What do you do?

    • A. Honk to hurry them along
    • B. Drive around them on the right
    • C. Give them time to clear

    Source:Iowa Driver's License Manual, Chapter 2: Traffic Signs and Rules of the Road

  14. Question 14: Iowa law requires headlights from sunset to sunrise and when visibility drops to how far?

    • A. 1,000 feet or less
    • B. 500 feet or less
    • C. 200 feet or less

    Source:Iowa Driver's License Manual, Chapter 4: Basic Driving Skills

  15. Question 15: The gas pedal is stuck and the car keeps speeding up. What should you do?

    • A. Shift to neutral quickly
    • B. Turn off the engine while moving
    • C. Pump the gas pedal

    Source:Iowa Driver's License Manual, Chapter 5: Applying Your Driving Skills

  16. Question 16: What can a soft gravel shoulder do to your vehicle?

    • A. Give it better grip than the road
    • B. Pull it toward the ditch
    • C. Keep it from rolling over

    Source:Iowa Driver's License Manual, Chapter 5: Applying Your Driving Skills

  17. Question 17: Your car stalls at a crossing that has no blue ENS sign. Whom should you call?

    • A. The Iowa DOT
    • B. Your insurance company
    • C. 911

    Source:Iowa Driver's License Manual, Chapter 2: Traffic Signs and Rules of the Road

  18. Question 18: When may you drive on a sidewalk?

    • A. Only to cross it
    • B. To pass a stopped vehicle
    • C. To park for a short time

    Source:Iowa Driver's License Manual, Chapter 2: Traffic Signs and Rules of the Road

  19. Question 19: Your car is swept into water and sinks. When will the doors be easier to open?

    • A. Right as it hits the water
    • B. Only after it reaches the bottom
    • C. Once the car fills with water

    Source:Iowa Driver's License Manual, Chapter 5: Applying Your Driving Skills

  20. Question 20: What does the manual advise about adaptive cruise control in bad weather?

    • A. Don't use any cruise control
    • B. Set it to the longest gap
    • C. Use it to hold a steady speed

    Source:Iowa Driver's License Manual, Chapter 3: Preparing to Drive

  21. Question 21: Your rearview mirror must let you see at least how far behind you?

    • A. 100 feet
    • B. 200 feet
    • C. 500 feet

    Source:Iowa Driver's License Manual, Chapter 3: Preparing to Drive

  22. Question 22: After passing a truck, when is it safe to pull in front of it?

    • A. Once your rear bumper clears the truck's cab
    • B. Right away, so you're out of its blind spot
    • C. When its front shows in your rearview mirror

    Source:Iowa Driver's License Manual, Chapter 5: Applying Your Driving Skills

  23. Question 23: What happens if you refuse a breath test?

    • A. Your license is revoked for one year
    • B. You get a warning the first time
    • C. Your license is suspended for 30 days

    Source:Iowa Driver's License Manual, Chapter 3: Preparing to Drive

  24. Question 24: Which signs use fluorescent yellow-green?

    • A. Pedestrian, bicycle, and school warnings
    • B. Crash cleanup, debris removal, and incidents
    • C. Road work and maintenance warnings

    Source:Iowa Driver's License Manual, Chapter 2: Traffic Signs and Rules of the Road

  25. Question 25: What is the minimum distance you must park from a stop sign?

    • A. 5 feet
    • B. 10 feet
    • C. 50 feet

    Source:Iowa Driver's License Manual, Chapter 2: Traffic Signs and Rules of the Road

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