Louisiana OMV Permit Practice Test 4: 50 Questions
Practice Test 4 has 50 multiple-choice questions on Louisiana driving rules, including yield sign shape, regulatory sign color, yellow diamond warning and red X over lane. Each answer is explained as soon as you pick it, and every question is listed with its answer in the study guide below.
More Louisiana Practice Tests
What Practice Test 4 Covers
The questions in this test ask about:
- Yield Sign Shape
- Regulatory Sign Color
- Yellow Diamond Warning
- Red X Over Lane
- Slower Traffic Keep Right
- Shared Center Lane
- Shared Center Lane Distance
- No Turn on Red
- Stop Here on Red
- Louisiana GDL Night Restriction
- Headlight Requirements
- Construction Zone Compliance
- Keep Right Sign
- Green Signal
- Steady Yellow Signal
Try 5 Questions from This Test
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What sign shape is used only for yield signs?
Show answer
C. Downward-pointing triangle
Yield signs are the only signs shaped as a downward-pointing triangle.
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What color background is used for most regulatory signs?
Show answer
B. White
Regulatory signs usually have a white background.
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What does a yellow diamond-shaped sign warn drivers about?
Show answer
A. Possible road hazards
Yellow diamond-shaped signs warn of hazards or special conditions ahead.
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What does a red X above a lane indicate?
Show answer
C. Lane closed
A red X means the lane cannot be used.
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What does a slower traffic keep right sign mean?
Show answer
C. Slower vehicles stay in the right lane
Slower traffic should use the right lane.
Complete Study Guide: All 50 Questions with Answers
Every question in Practice Test 4, with the correct answer and an explanation for each.
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Q1. What does a yellow diamond-shaped sign warn drivers about?
Correct answer: Possible road hazards
Why: Yellow diamond-shaped signs warn of hazards or special conditions ahead.
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Q2. What sign shape is used only for yield signs?
Correct answer: Downward-pointing triangle
Why: Yield signs are the only signs shaped as a downward-pointing triangle.
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Q3. What color background is used for most regulatory signs?
Correct answer: White
Why: Regulatory signs usually have a white background.
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Q4. What does a red octagon-shaped sign require drivers to do?
Correct answer: Stop completely
Why: Octagon signs are used only for stop signs and require a full stop.
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Q5. What does a flashing yellow traffic signal indicate?
Correct answer: Proceed with caution
Why: Flashing yellow signals warn drivers to slow down and be alert.
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Q6. What does a flashing red traffic signal mean?
Correct answer: Stop then proceed when safe
Why: Flashing red signals are treated the same as stop signs.
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Q7. What does a steady green traffic signal mean?
Correct answer: Proceed when the intersection is clear
Why: A green signal allows drivers to go if the intersection is clear.
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Q8. What does a steady yellow signal warn drivers to do?
Correct answer: Prepare to stop
Why: A steady yellow light warns that the signal will soon turn red.
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Q9. What does a green arrow allow?
Correct answer: A protected turn
Why: A green arrow gives the right-of-way for the indicated turn.
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Q10. What marking separates traffic moving in opposite directions?
Correct answer: Yellow lines
Why: Yellow pavement markings separate opposing traffic flows.
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Q11. What does a broken yellow line indicate?
Correct answer: Passing allowed when safe
Why: Broken yellow lines allow passing when it can be done safely.
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Q12. What does a solid yellow line on your side of the road mean?
Correct answer: Passing is prohibited
Why: A solid yellow line means you may not pass on your side.
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Q13. What does a broken white line between lanes mean?
Correct answer: Lane changes are allowed
Why: Broken white lines separate lanes moving in the same direction.
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Q14. What does a solid white line indicate?
Correct answer: Discourage lane changes
Why: Solid white lines discourage changing lanes.
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Q15. What shape sign warns of school zones and crossings?
Correct answer: Pentagon
Why: Pentagon-shaped signs indicate school zones or school crossings.
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Q16. What does an orange diamond-shaped sign indicate?
Correct answer: Construction or maintenance
Why: Orange signs warn of temporary traffic control zones.
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Q17. What type of information do blue signs provide?
Correct answer: Motorist services
Why: Blue signs give information about services such as fuel or rest areas.
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Q18. What do brown signs usually indicate?
Correct answer: Recreational or cultural areas
Why: Brown signs guide drivers to recreational or cultural locations.
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Q19. What is the purpose of rumble strips?
Correct answer: Warn drivers they are leaving the roadway
Why: Rumble strips alert drivers through vibration and noise.
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Q20. What should drivers do when traffic signals are not operating?
Correct answer: Treat the intersection as a four-way stop
Why: Drivers must stop and take turns when signals are not working.
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Q21. What is the minimum vision standard required to pass the vision test?
Correct answer: 20/40
Why: Drivers must meet at least 20/40 vision standards.
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Q22. What is the legal BAC limit for drivers age 21 or older?
Correct answer: 0.08%
Why: A BAC of 0.08% or higher is legally impaired.
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Q23. What BAC level applies to drivers under age 21?
Correct answer: 0.02%
Why: Drivers under 21 are impaired at 0.02% BAC.
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Q24. What must drivers do when an emergency vehicle approaches using lights and sirens?
Correct answer: Pull to the right and stop
Why: Drivers must pull over to the right and stop.
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Q25. What is required to legally operate a vehicle on public roads?
Correct answer: Liability insurance
Why: Vehicles must be covered by liability insurance.
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Q26. You want to park on a Louisiana street and the curb is painted red. According to the Louisiana driver guide, what does a red curb indicate?
Correct answer: Fire zone restrictions
Why: In Louisiana, painted curbs show parking restrictions: red indicates fire zone restrictions, white means only short stops, yellow a loading zone, and blue an accessibility restriction.
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Q27. What is hydroplaning?
Correct answer: Loss of traction on wet pavement
Why: Hydroplaning occurs when tires lose contact with wet roads.
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Q28. What should drivers do when visibility is reduced by fog?
Correct answer: Use low beam headlights
Why: Low beams improve visibility and reduce glare in fog.
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Q29. What must drivers do when approaching a school bus with flashing red lights?
Correct answer: Stop
Why: Drivers must stop for school buses loading or unloading children.
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Q30. What following distance is recommended under normal conditions?
Correct answer: At least three seconds
Why: Louisiana’s driver manual teaches the 3-second rule, which works at any speed. Increase it to four seconds or more on slippery roads and in other risky conditions.
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Q31. What does a shared center lane indicate?
Correct answer: Left turns only
Why: Shared center lanes are reserved for left turns.
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Q32. How far may a driver travel in a shared center left-turn lane?
Correct answer: No more than 200 feet
Why: Drivers may not travel more than 200 feet in this lane.
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Q33. What does a no turn on red sign mean?
Correct answer: Turning on red is prohibited
Why: Drivers must wait for a green signal before turning.
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Q34. What does a stop here on red sign show?
Correct answer: Where drivers must stop
Why: This sign marks the stopping location at an intersection.
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Q35. Who has the right-of-way at an uncontrolled intersection?
Correct answer: Driver on the right
Why: Drivers must yield to traffic on their right.
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Q36. What is the safest action if you feel drowsy while driving?
Correct answer: Stop and rest
Why: Stopping to rest is the safest option.
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Q37. What does a red X above a lane indicate?
Correct answer: Lane closed
Why: A red X means the lane cannot be used.
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Q38. What does a steady red traffic signal require drivers to do?
Correct answer: Stop until the signal changes
Why: Drivers must come to a complete stop at a red light.
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Q39. What is the first stage of the graduated licensing program?
Correct answer: Learner’s permit
Why: The program begins with a learner’s permit.
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Q40. What is the minimum age to obtain a learner’s permit?
Correct answer: 15
Why: Learner’s permits may be issued at age 15.
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Q41. What nighttime restriction applies to intermediate license holders?
Correct answer: Limited nighttime driving
Why: Intermediate licenses restrict nighttime driving hours.
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Q42. What should drivers do when approaching a railroad crossing with flashing lights?
Correct answer: Stop and wait
Why: Flashing lights indicate an approaching train.
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Q43. What does a round yellow sign warn drivers about?
Correct answer: Railroad crossing ahead
Why: Round yellow signs warn of railroad crossings.
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Q44. What do black-and-white speed limit signs show?
Correct answer: Maximum lawful speed
Why: Speed limit signs show the maximum legal speed.
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Q45. When are headlights required?
Correct answer: Between sunset and sunrise
Why: Headlights are required at night and when visibility is poor.
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Q46. What does a keep right sign instruct drivers to do?
Correct answer: Stay to the right of an obstruction
Why: Keep right signs direct traffic around roadway features.
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Q47. What does a slower traffic keep right sign mean?
Correct answer: Slower vehicles stay in the right lane
Why: Slower traffic should use the right lane.
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Q48. What should drivers do in a construction zone?
Correct answer: Reduce speed and obey signs
Why: Construction zones require extra caution and reduced speed.
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Q49. What should drivers do if their vehicle begins to skid?
Correct answer: Steer in the direction you want the front to go
Why: Steering toward the intended direction helps regain control.
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Q50. What is the main purpose of traffic signs and signals?
Correct answer: Regulate, warn, and guide traffic
Why: Traffic control devices provide rules, warnings, and guidance.