Idaho DMV Permit Practice Test 3: 50 Questions
Practice Test 3 has 50 multiple-choice questions on Idaho driving rules, including yield sign procedure, school bus stop requirement, school bus divided highway and flashing yellow arrow. Each answer is explained as soon as you pick it, and every question is listed with its answer in the study guide below.
More Idaho Practice Tests
What Practice Test 3 Covers
The questions in this test ask about:
- Yield Sign Procedure
- School Bus Stop Requirement
- School Bus Divided Highway
- Flashing Yellow Arrow
- Animal in Idaho Roadway
- Solid Yellow Next to Broken Yellow
- Steep Downhill Control
- Roundabout Entry
- Red Curb
- Flashing Red Signal
- Hydroplaning Definition
- Yield Sign vs Stop Sign
- Purpose of Traffic Signs
- Pedestrian Yield Obligation
Try 5 Questions from This Test
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What should you do when approaching a yield sign?
Show answer
B. Slow down and give right-of-way
A yield sign requires slowing down and giving right-of-way when needed.
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When are you required to stop for a school bus?
Show answer
C. When red lights flash
Drivers must stop when a school bus displays flashing red lights.
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What should you do before turning left at an intersection?
Show answer
C. Yield to oncoming traffic
Left turns require yielding to oncoming traffic.
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What does a flashing yellow arrow signal mean?
Show answer
A. Proceed with caution
Flashing yellow arrows allow turns with caution.
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What should you do if an animal suddenly appears in your lane?
Show answer
A. Brake firmly and stay in lane
Firm braking while staying in your lane reduces risk.
Complete Study Guide: All 50 Questions with Answers
Every question in Practice Test 3, with the correct answer and an explanation for each.
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Q1. What should you do when approaching a yield sign?
Correct answer: Slow down and give right-of-way
Why: A yield sign requires slowing down and giving right-of-way when needed.
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Q2. What does a steady green traffic signal mean?
Correct answer: Proceed when the intersection is clear
Why: A green light allows you to proceed if it is safe to do so.
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Q3. When are you required to stop for a school bus?
Correct answer: When red lights flash
Why: Drivers must stop when a school bus displays flashing red lights.
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Q4. What does a broken yellow centerline allow?
Correct answer: Passing when safe
Why: A broken yellow line allows passing when conditions are safe.
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Q5. Who has the right-of-way at an uncontrolled intersection?
Correct answer: The driver on the right
Why: At uncontrolled intersections, the driver on the right has the right-of-way.
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Q6. What does a flashing red traffic signal require?
Correct answer: Stop and proceed when safe
Why: A flashing red signal is treated the same as a stop sign.
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Q7. What is the safest following distance in good driving conditions?
Correct answer: Three seconds
Why: A three-second following distance allows adequate reaction time.
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Q8. What should you do before turning left at an intersection?
Correct answer: Yield to oncoming traffic
Why: Left turns require yielding to oncoming traffic.
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Q9. What does a double solid yellow line mean?
Correct answer: No passing either direction
Why: Double solid yellow lines prohibit passing in both directions.
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Q10. What is the purpose of warning signs?
Correct answer: Warn of hazards ahead
Why: Warning signs alert drivers to possible hazards ahead.
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Q11. What should you do if an emergency vehicle is approaching from behind?
Correct answer: Pull over and stop
Why: Drivers must pull over and stop for emergency vehicles.
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Q12. What does a solid white lane line indicate?
Correct answer: Lane changes discouraged
Why: A solid white line discourages lane changes.
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Q13. When may you turn right at a red light?
Correct answer: After stopping and yielding
Why: A right turn on red is allowed after a full stop and yielding if permitted.
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Q14. What does a diamond-shaped sign indicate?
Correct answer: Warning
Why: Diamond-shaped signs are used for warnings.
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Q15. What should you do when entering traffic from a driveway?
Correct answer: Yield to traffic
Why: Drivers entering a roadway must yield to traffic already on it.
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Q16. What is the legal blood alcohol concentration limit for adult drivers?
Correct answer: 0.08%
Why: A BAC of 0.08% or higher is illegal.
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Q17. What does a round yellow road sign warn of?
Correct answer: Railroad crossing
Why: Round yellow signs indicate railroad crossings.
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Q18. What should you do when driving in fog?
Correct answer: Slow down
Why: Slowing down improves visibility and reaction time in fog.
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Q19. What does a pentagon-shaped sign usually mark?
Correct answer: School zone
Why: Pentagon-shaped signs indicate school zones or crossings.
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Q20. What should you do at a stop sign?
Correct answer: Come to a complete stop
Why: Stop signs require a full stop before proceeding.
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Q21. What does a flashing yellow traffic signal mean?
Correct answer: Proceed with caution
Why: Flashing yellow signals warn drivers to proceed carefully.
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Q22. What should you do if traffic signals are not working?
Correct answer: Treat the intersection as a four-way stop
Why: Non-working signals must be treated as four-way stops.
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Q23. What does a white rectangular sign usually indicate?
Correct answer: Regulation
Why: White rectangular signs provide regulatory information.
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Q24. What should you do before changing lanes?
Correct answer: Check mirrors and blind spots
Why: Checking mirrors and blind spots ensures the lane is clear.
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Q25. What is the main danger of tailgating?
Correct answer: Reduced reaction time
Why: Following too closely reduces your ability to react.
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Q26. What should you do when approaching a curve?
Correct answer: Slow before entering
Why: Slowing before a curve helps maintain control.
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Q27. What does a green arrow signal allow?
Correct answer: Movement only in the arrow direction
Why: A green arrow allows travel only in the arrow’s direction.
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Q28. What is the purpose of seat belts?
Correct answer: Reduce injury risk
Why: Seat belts reduce injuries and prevent ejection.
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Q29. What should you do if you miss your exit on a freeway?
Correct answer: Take the next exit
Why: Drivers should continue to the next exit safely.
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Q30. What does a broken white lane line mean?
Correct answer: Lane changes permitted
Why: Broken white lines allow lane changes when safe.
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Q31. What should you do at a railroad crossing without signals?
Correct answer: Stop, look, and listen
Why: Drivers must stop, look, and listen before crossing.
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Q32. What is hydroplaning?
Correct answer: Loss of traction from water
Why: Hydroplaning happens when tires lose contact due to water.
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Q33. What does a red octagonal sign mean?
Correct answer: Stop
Why: Octagonal signs are always stop signs.
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Q34. When should high-beam headlights be dimmed?
Correct answer: Within 500 feet of oncoming traffic
Why: High beams must be dimmed to avoid blinding others.
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Q35. What should you do if your brakes fail?
Correct answer: Pump the brakes
Why: Pumping the brakes and downshifting can help slow the vehicle.
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Q36. What does a solid yellow line next to a broken yellow line mean?
Correct answer: Passing allowed only on broken-line side
Why: Passing is allowed only on the side with the broken line.
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Q37. What should you do when approaching a roundabout?
Correct answer: Yield to traffic in the circle
Why: Drivers must yield to traffic already in the roundabout.
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Q38. What does a red curb indicate?
Correct answer: No stopping or parking
Why: Red curbs indicate no stopping or parking.
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Q39. What should you do if an animal suddenly appears in your lane?
Correct answer: Brake firmly and stay in lane
Why: Firm braking while staying in your lane reduces risk.
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Q40. What does a green traffic signal indicate?
Correct answer: Proceed when safe
Why: A green light allows you to go when the intersection is clear.
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Q41. What is the safest way to reduce glare at night?
Correct answer: Look toward the right edge of the road
Why: Looking toward the right edge reduces glare.
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Q42. What should you do when parking uphill with a curb?
Correct answer: Turn wheels away from curb
Why: Turning wheels away from the curb helps prevent rolling.
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Q43. When must drivers yield to pedestrians?
Correct answer: At marked or unmarked crosswalks
Why: Drivers must yield to pedestrians in crosswalks.
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Q44. What does a flashing yellow arrow signal mean?
Correct answer: Proceed with caution
Why: Flashing yellow arrows allow turns with caution.
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Q45. What is the main purpose of speed limits?
Correct answer: Improve safety
Why: Speed limits are designed to improve roadway safety.
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Q46. What should you do when driving downhill on a steep grade?
Correct answer: Shift to a lower gear
Why: Lower gears help control speed downhill.
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Q47. What does a white triangular sign with a red border indicate?
Correct answer: Yield
Why: This sign indicates a yield requirement.
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Q48. What should you do when approaching an intersection?
Correct answer: Be prepared to yield
Why: Being prepared to yield helps prevent collisions.
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Q49. What does a solid yellow centerline mean?
Correct answer: No passing
Why: A solid yellow line indicates no passing.
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Q50. What is the safest action when road conditions are icy?
Correct answer: Slow down and increase following distance
Why: Slowing down and increasing distance improves control on ice.