Louisiana: Traffic signals Practice Test
Red, yellow and green lights, arrows, flashing signals and pedestrian signals.
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Questions are original and based on the official manual "Class D & E Driver’s Guide" (Revised August 2025 (DPSMV2052 R08/25)), Louisiana Office of Motor Vehicles.
All 21 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
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Which of these people can provide traffic control that you must obey?
- A school crossing guard
- A pedestrian waiting at the curb
- A passenger riding in the car ahead
- A driver stopped behind you
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Correct answer: A school crossing guard
Traffic control can also be provided by law enforcement, highway personnel or school crossing guards, and you must obey their directions.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 22 · Open this page in the manual (Manual page 22)
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What does a STOP HERE ON RED sign tell you?
- That you may not turn on red
- Where you must stop if the traffic light is red
- That the traffic light ahead is not working
- That you must always stop at this point
Show answer
Correct answer: Where you must stop if the traffic light is red
A STOP HERE ON RED sign tells you where you must stop if the traffic light is red.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 28 · Open this page in the manual (Manual page 28)
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When a traffic signal has red, yellow and green lights on the same vertical signal, in what order are they from top to bottom?
- Green, yellow, red
- Yellow, red, green
- Red, green, yellow
- Red, yellow, green
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Correct answer: Red, yellow, green
Traffic lights on the same signal are red, yellow and green from top to bottom.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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In some metropolitan areas the traffic lights are horizontal. Where is the green light on such a signal?
- On the left
- On the right
- In the middle
- Above the yellow light
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Correct answer: On the right
On a horizontal traffic light the red light is on the left, the yellow light is in the middle and the green light is on the right.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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You are stopped at an intersection and the light turns green. What must you do before going ahead?
- Go at once, because you have the right of way
- Sound your horn to warn crossing traffic
- Allow crossing traffic to clear the intersection
- Wait until the vehicle behind you honks
Show answer
Correct answer: Allow crossing traffic to clear the intersection
The manual says that if the light turns green while you are stopped, you must allow crossing traffic to clear the intersection before you go ahead.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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What does a steady green traffic light mean?
- You can go through the intersection if it is clear to do so
- You can go through the intersection without slowing down
- You can go through the intersection only after stopping first
- You can go through the intersection ahead of all pedestrians
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Correct answer: You can go through the intersection if it is clear to do so
A steady green light means you can go through the intersection if it is clear to do so.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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What does a green arrow mean?
- You can turn in the direction of the arrow without yielding to anyone
- You can turn in the direction of the arrow only after stopping
- You can turn in the arrow's direction if the intersection is clear
- You can go straight, turn or stop, whichever you choose
Show answer
Correct answer: You can turn in the arrow's direction if the intersection is clear
A green arrow means you can turn in the direction of the arrow if the intersection is clear of other roadway users.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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When your arrow is green, what should you be careful of at the other side of the intersection?
- Others making a left turn on yellow
- Others making a right turn on red
- Drivers who are stopped at a stop sign
- Pedestrians who are on the sidewalk behind you
Show answer
Correct answer: Others making a right turn on red
The manual says that when the arrow is green you should be careful of others making a right turn on red from the other side of the intersection.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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What does a steady yellow traffic light warn you of?
- The signal has just changed to green
- The signal is not working
- Traffic from both directions may enter
- The signal is about to change to red
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Correct answer: The signal is about to change to red
A steady yellow light is a warning that the traffic signal is about to change to red.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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A steady yellow light comes on while you can still stop before the stop bar. What should you do?
- Speed up to get through before it turns red
- Keep your speed and watch for cross traffic
- Slow down and come to a complete stop
- Stop only if other vehicles are behind you
Show answer
Correct answer: Slow down and come to a complete stop
The manual says to slow down and come to a complete stop on a steady yellow light if you can do so before the stop bar.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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What may you do if you are already in the intersection when the yellow light comes on?
- Continue safely through the intersection
- Stop where you are until the light turns green
- Back up to the stop bar
- Turn around before the light turns red
Show answer
Correct answer: Continue safely through the intersection
The manual says that if you are already in the intersection when the yellow light comes on, you may continue safely through it.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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What does a flashing yellow traffic light mean?
- Stop completely and wait for the light to turn green
- Stop only if another vehicle is waiting on your left
- Speed up to clear the intersection before it changes
- Slow down, look for entering traffic and proceed with caution
Show answer
Correct answer: Slow down, look for entering traffic and proceed with caution
A flashing yellow light is a warning to slow down, look for any traffic entering the intersection and proceed with caution.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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At a flashing yellow light, what should you do if traffic is in the intersection?
- Slow down and drive carefully around the traffic
- Stop and let the traffic pass before proceeding
- Sound your horn and continue through the intersection
- Change lanes and proceed with extra caution
Show answer
Correct answer: Stop and let the traffic pass before proceeding
The manual says that at a flashing yellow light, if traffic is in the intersection you should stop and let it pass before proceeding.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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What does a steady yellow arrow mean?
- A new green arrow will appear, so you should speed up and turn
- The green arrow is ending, so prepare to stop and yield
- The turn is prohibited, so you should go straight
- The signal is flashing, so you should stop and then turn
Show answer
Correct answer: The green arrow is ending, so prepare to stop and yield
A steady yellow arrow means that the green arrow is ending; you should prepare to stop and yield the right-of-way to oncoming traffic or pedestrians.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 33 · Open this page in the manual (Manual page 33)
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What does a steady red traffic light mean?
- Stop only if other vehicles or pedestrians are close
- Stop briefly and then proceed if the way is clear
- Stop only if you are going straight or turning left
- Stop behind the stop bar until the signal turns green
Show answer
Correct answer: Stop behind the stop bar until the signal turns green
A steady red light means stop behind the stop bar, crosswalk or intersection until the traffic signal turns green.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 34 · Open this page in the manual (Manual page 34)
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What must you do at a flashing red traffic light?
- Slow down and proceed with caution if no traffic is near
- Stop and use the same procedure as at a stop sign
- Stop only if traffic is crossing from your right
- Wait for the light to stop flashing before you enter
Show answer
Correct answer: Stop and use the same procedure as at a stop sign
A flashing red light means you must stop and use the same procedure as at a stop sign: a complete stop, looking both ways and yielding right-of-way.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 34 · Open this page in the manual (Manual page 34)
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What does a red arrow mean?
- You may turn in the direction of the arrow after yielding to others
- You must slow down and watch for oncoming traffic before you turn
- Stop and do not go in the arrow direction until the green arrow returns
- You must stop only if pedestrians are in the crosswalk ahead
Show answer
Correct answer: Stop and do not go in the arrow direction until the green arrow returns
A red arrow means you must stop and may not go in the direction of the arrow until the green arrow returns.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 34 · Open this page in the manual (Manual page 34)
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What does a steady DON'T WALK pedestrian signal (or a steady raised hand) mean?
- Pedestrians may cross if no cars are coming
- Pedestrians must not enter the roadway toward it
- Pedestrians already crossing must turn back
- The signal is broken and works as a stop sign
Show answer
Correct answer: Pedestrians must not enter the roadway toward it
A steady DON'T WALK signal means pedestrians must not enter the roadway towards the signal.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 76 · Open this page in the manual (Manual page 76)
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A pedestrian signal is flashing DON'T WALK. What does it mean for pedestrians?
- They may not start to cross, but those crossing may continue
- All of them must hurry back to the curb they started from
- They may start to cross if they walk quickly
- The signal is out of order and they should use caution
Show answer
Correct answer: They may not start to cross, but those crossing may continue
A flashing DON'T WALK signal means pedestrians may not start to cross, but those already crossing may continue to the nearest sidewalk, traffic island or safety zone.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 76 · Open this page in the manual (Manual page 76)
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What is a flashing WALK pedestrian signal sometimes used to indicate?
- That the walking time is about to run out soon
- That vehicles may not turn at the corner at all
- A possible conflict between pedestrians and vehicles
- That only children with a crossing guard may cross
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Correct answer: A possible conflict between pedestrians and vehicles
A steady WALK signal means pedestrians may cross toward the signal; a flashing WALK signal is sometimes used to indicate a possible conflict between pedestrians and vehicles.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 76 · Open this page in the manual (Manual page 76)
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What must an intersection revert to when its traffic-control signal is not functioning?
- A yield intersection for all approaching traffic
- An intersection where vehicles on the widest road go first
- An intersection controlled only by the posted speed limit
- An all-way or four-way stop
Show answer
Correct answer: An all-way or four-way stop
The guide says that when a traffic-control signal is not functioning, the intersection reverts to an all-way or four-way stop.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 86 · Open this page in the manual (Manual page 86)