Iowa DOT Permit Practice Test 2: 50 Questions
Practice Test 2 has 50 multiple-choice questions on Iowa driving rules, including flashing red signal, uncontrolled intersection simultaneous, uphill parking with curb and railroad crossing flashing lights. Each answer is explained as soon as you pick it, and every question is listed with its answer in the study guide below.
More Iowa Practice Tests
What Practice Test 2 Covers
The questions in this test ask about:
- Flashing Red Signal
- Uncontrolled Intersection Simultaneous
- Uphill Parking with Curb
- Railroad Crossing Flashing Lights
- Red Arrow Signal
- Shared Center Turn Lane Purpose
- Blind Pedestrian
- Slippery Roads Most Dangerous
- Headlights When Required
- Pentagon Sign
- Fog Driving
- Following Distance Normal
- Missed Freeway Exit
- Right-Side Passing
Try 5 Questions from This Test
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What does a flashing red traffic signal require you to do?
Show answer
B. Come to a complete stop before going
A flashing red signal must be treated the same as a stop sign.
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When two vehicles arrive at an uncontrolled intersection at the same time, who has the right-of-way?
Show answer
A. The vehicle on the right
The driver on the right has the right-of-way at uncontrolled intersections.
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When parking uphill with a curb, how should your front wheels be turned?
Show answer
A. Away from the curb
Turning wheels away from the curb helps prevent rolling into traffic.
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What does a red arrow traffic signal mean?
Show answer
B. Stop and do not turn
A red arrow prohibits movement in that direction.
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When are roads most slippery?
Show answer
C. Just after rain begins
Oil on the road mixes with water at the start of rain.
Complete Study Guide: All 50 Questions with Answers
Every question in Practice Test 2, with the correct answer and an explanation for each.
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Q1. What does a flashing red traffic signal require you to do?
Correct answer: Come to a complete stop before going
Why: A flashing red signal must be treated the same as a stop sign.
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Q2. When two vehicles arrive at an uncontrolled intersection at the same time, who has the right-of-way?
Correct answer: The vehicle on the right
Why: The driver on the right has the right-of-way at uncontrolled intersections.
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Q3. What does a solid white line between lanes indicate?
Correct answer: Traffic moving in the same direction
Why: Solid white lines separate lanes moving in the same direction.
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Q4. When parking uphill with a curb, how should your front wheels be turned?
Correct answer: Away from the curb
Why: Turning wheels away from the curb helps prevent rolling into traffic.
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Q5. What does a round yellow road sign warn drivers about?
Correct answer: Railroad crossing
Why: Round yellow signs are used to warn of railroad crossings.
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Q6. What must you do when approaching a yield sign?
Correct answer: Slow down and yield the right-of-way
Why: Yield signs require slowing and giving the right-of-way when needed.
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Q7. When driving at night, you should dim your high beams when within:
Correct answer: 500 feet of an oncoming vehicle
Why: High beams must be dimmed within 500 feet of oncoming traffic.
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Q8. What does a steady yellow traffic light indicate?
Correct answer: The signal is about to turn red
Why: A steady yellow light warns that the signal will soon turn red.
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Q9. What is the purpose of a shared center turn lane?
Correct answer: Left turns from either direction
Why: Shared center lanes are used for left turns by traffic in both directions.
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Q10. What should you do if your vehicle begins to skid?
Correct answer: Steer in the direction you want the front to go
Why: Steering toward the intended path helps regain control.
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Q11. What does a pentagon-shaped sign indicate?
Correct answer: School zone or crossing
Why: Pentagon signs are used to mark school zones and crossings.
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Q12. When approaching a pedestrian using a white cane or guide dog, you must:
Correct answer: Stop and yield
Why: Drivers must stop and yield to pedestrians who are blind.
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Q13. What does a broken yellow centerline mean?
Correct answer: Passing allowed when safe
Why: Broken yellow lines allow passing when it is safe.
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Q14. When entering a roundabout, drivers must:
Correct answer: Yield to traffic already inside
Why: Traffic already in the roundabout has the right-of-way.
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Q15. What should you do if you miss your exit on a freeway?
Correct answer: Continue to the next exit
Why: Backing up or turning around on a freeway is unsafe and illegal.
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Q16. What does a red octagonal sign mean?
Correct answer: Stop
Why: Octagonal signs are used only for stop signs.
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Q17. When driving in fog, which headlights should you use?
Correct answer: Low beams
Why: Low beams reduce glare and improve visibility in fog.
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Q18. What is the safest following distance under normal conditions?
Correct answer: Three seconds
Why: A three-second following distance allows time to react.
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Q19. What does a flashing yellow traffic signal mean?
Correct answer: Proceed with caution
Why: Flashing yellow lights warn drivers to slow down and be careful.
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Q20. When should headlights be turned on?
Correct answer: From sunset to sunrise and during low visibility
Why: Headlights are required at night and when visibility is reduced.
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Q21. What should you do at an intersection when traffic signals are not working?
Correct answer: Treat it as a four-way stop
Why: Nonfunctioning signals must be treated as four-way stops.
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Q22. What does a white rectangular sign usually indicate?
Correct answer: Regulation
Why: Rectangular signs typically show traffic laws and regulations.
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Q23. When are roads most slippery?
Correct answer: Just after rain begins
Why: Oil on the road mixes with water at the start of rain.
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Q24. What should you do when approaching a construction zone?
Correct answer: Slow down and be alert
Why: Construction zones require reduced speeds and caution.
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Q25. What does a red arrow traffic signal mean?
Correct answer: Stop and do not turn
Why: A red arrow prohibits movement in that direction.
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Q26. When backing up, drivers should:
Correct answer: Turn and look behind
Why: Turning to look provides the best view when backing.
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Q27. What must you do when approaching a stopped school bus with flashing red lights?
Correct answer: Stop
Why: Drivers must stop for school buses with flashing red lights.
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Q28. What does a diamond-shaped sign warn of?
Correct answer: Hazards or conditions ahead
Why: Diamond-shaped signs warn of possible hazards.
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Q29. What should you do before changing lanes?
Correct answer: Check mirrors and blind spots
Why: Checking mirrors and blind spots helps avoid collisions.
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Q30. When is it legal to pass on the right?
Correct answer: When the vehicle ahead is turning left
Why: Passing on the right is allowed when another vehicle is turning left.
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Q31. What does a steady green traffic light mean?
Correct answer: Go if the intersection is clear
Why: A green light allows traffic to proceed when safe.
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Q32. What is the purpose of speed limits?
Correct answer: Promote safety
Why: Speed limits are set to promote roadway safety.
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Q33. What does a no-passing zone sign indicate?
Correct answer: Passing prohibited
Why: No-passing zones prohibit overtaking other vehicles.
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Q34. When approaching a curve with an advisory speed sign, you should:
Correct answer: Slow to the advisory speed
Why: Advisory speeds show a safe speed for conditions.
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Q35. What should you do if an emergency vehicle approaches with lights and siren?
Correct answer: Pull to the right and stop
Why: Drivers must pull over and stop for emergency vehicles.
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Q36. What does a triangular red and white sign indicate?
Correct answer: Yield
Why: Red and white triangular signs are yield signs.
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Q37. What is required before turning right on red?
Correct answer: A full stop
Why: A complete stop is required before turning right on red.
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Q38. What does a green arrow signal allow you to do?
Correct answer: Turn in the direction of the arrow
Why: A green arrow permits movement in the arrow’s direction.
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Q39. What should you do when approaching a railroad crossing without signals?
Correct answer: Slow down and look
Why: Drivers must slow and check for trains.
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Q40. What does a white arrow painted on the road indicate?
Correct answer: Lane direction
Why: White arrows show permitted lane movements.
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Q41. When driving on wet roads, you should:
Correct answer: Increase following distance
Why: Extra distance allows more time to stop.
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Q42. What does a STOP AHEAD sign warn drivers of?
Correct answer: A stop sign ahead
Why: STOP AHEAD signs warn of an upcoming stop sign.
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Q43. When should you use your horn?
Correct answer: To warn of danger
Why: Horns should only be used as a warning.
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Q44. What does a solid yellow centerline mean?
Correct answer: Passing not allowed
Why: Solid yellow lines prohibit passing.
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Q45. When entering a roadway from a driveway, you must:
Correct answer: Yield to traffic
Why: Traffic already on the roadway has the right-of-way.
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Q46. What does a green rectangular sign usually provide?
Correct answer: Guidance information
Why: Green signs give directions and guidance.
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Q47. What should you do if visibility is reduced to less than 500 feet?
Correct answer: Turn on headlights
Why: Headlights help other drivers see you.
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Q48. What does a flashing yellow arrow mean?
Correct answer: Proceed with caution
Why: Flashing yellow arrows warn to use caution when turning.
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Q49. What is required when making a lane change?
Correct answer: Signaling
Why: Signaling alerts other drivers of your intentions.
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Q50. What should you do when approaching an intersection with a stop sign and no stop line?
Correct answer: Stop before entering the intersection
Why: You must stop before entering the intersection.