Louisiana: Emergency vehicles and work zones — Part 1 Practice Test
Questions in this part include: “What is the basic color of the traffic control devices used in construction and maintenance work areas?” · “In Louisiana, what is true of traffic fines in construction zones?”
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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 18 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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A diamond-shaped sign that is orange is used where?
- Near schools
- In construction zones
- At railroad crossings
- On curves and side roads
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Correct answer: In construction zones
An orange diamond-shaped sign is used in construction zones, where you should slow down and proceed with caution.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 23 · Open this page in the manual (Manual page 23)
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What does the Louisiana "move over" law require you to do when approaching a roadside incident?
- Stop until the incident is cleared
- Speed up to pass the incident quickly
- Slow down and change lanes
- Stay in your lane and sound your horn
Show answer
Correct answer: Slow down and change lanes
The "move over" law requires you to slow down and change lanes when approaching a roadside incident.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 30 · Open this page in the manual (Manual page 30)
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What do orange warning signs in a construction area tell you is just ahead?
- Workers, machinery and barricades
- A school zone with children crossing
- A railroad crossing with no gates
- A change in the posted speed limit
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Correct answer: Workers, machinery and barricades
Orange warning signs tell you that workers, machinery and barricades are just ahead, and you may need to slow down, stop or change lanes.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 31 · Open this page in the manual (Manual page 31)
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What is the basic color of the traffic control devices used in construction and maintenance work areas?
- Yellow
- Red
- White
- Orange
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Correct answer: Orange
The manual says orange is the basic color for the traffic control devices used in construction and maintenance work areas.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 31 · Open this page in the manual (Manual page 31)
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What shape are most of the signs used in construction and maintenance work areas?
- Octagon
- Diamond
- Circle
- Triangle
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Correct answer: Diamond
Most signs in work areas are diamond shaped; only a few are rectangular.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 31 · Open this page in the manual (Manual page 31)
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What are construction and maintenance signs used to notify drivers of?
- Changes in the speed limit on interstate highways
- Unusual or potentially dangerous conditions near work areas
- Places where parking is allowed near the work trucks
- Detour routes that are always posted for a month
Show answer
Correct answer: Unusual or potentially dangerous conditions near work areas
Construction and maintenance signs notify drivers of unusual or potentially dangerous conditions in or near work areas.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 31 · Open this page in the manual (Manual page 31)
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A work-area sign shows a person holding a flag, and the manual labels it "Flagger Ahead." What should you do when you see it?
- Speed up to clear the work area quickly
- Stop at once and wait for the flagger to call you forward
- Change lanes and keep your speed
- Slow down and be prepared to stop
Show answer
Correct answer: Slow down and be prepared to stop
The Flagger Ahead sign indicates that a flag person is ahead to control traffic, so you should slow down and be prepared to stop.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 31 · Open this page in the manual (Manual page 31)
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A diamond-shaped work-area sign shows a worker with a shovel, and the manual labels it "Workers Ahead." What should you do when you see it?
- Reduce speed and adjust lane position away from workers
- Stop and wait for a flagger to wave you through
- Keep your speed and stay in the middle of your lane
- Sound your horn to warn the workers you are coming
Show answer
Correct answer: Reduce speed and adjust lane position away from workers
The Workers Ahead sign indicates that workers are performing maintenance on the roadway, so you should reduce speed and adjust your lane position away from the workers.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 31 · Open this page in the manual (Manual page 31)
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In Louisiana, what is true of traffic fines in construction zones?
- They are cut in half
- They are double
- They are the same as elsewhere
- They are doubled only at night
Show answer
Correct answer: They are double
The manual states that in Louisiana traffic fines are double for construction zones.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 31 · Open this page in the manual (Manual page 31)
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Why are reduced speed limits set in work zones?
- To keep traffic flowing in only one direction
- To give drivers time to read the detour signs
- To protect the drivers and the workers
- To keep the work vehicles from being damaged
Show answer
Correct answer: To protect the drivers and the workers
The manual says reduced speed limits are set to protect the drivers and workers.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 31 · Open this page in the manual (Manual page 31)
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What does every road construction job include plans for?
- The safe movement of traffic
- Free parking for the workers' vehicles
- Closing the road to all traffic until the work is done
- Posting a flagger at every intersection
Show answer
Correct answer: The safe movement of traffic
The manual says every road construction job includes plans for the safe movement of traffic.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 31 · Open this page in the manual (Manual page 31)
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The manual says slower speeds in a work zone give drivers more of what?
- Time to make good decisions
- Room to pass the work vehicles
- Permission to change lanes freely
- Distance to stop within the work area
Show answer
Correct answer: Time to make good decisions
Drivers can become confused in a construction area even when it is well designed, and slower speeds allow them more time to make good decisions.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 32 · Open this page in the manual (Manual page 32)
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Why should you not become oblivious to work zone signs when the work is long term or widespread?
- Work zone signs are removed after the first week of work
- Speed limits in work zones are raised every night
- Traffic patterns in work zones can change daily
- Work zones are always moved to a new road each day
Show answer
Correct answer: Traffic patterns in work zones can change daily
The manual warns that traffic patterns in work zones can change daily, including lane shifts or alternating lane closures.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 32 · Open this page in the manual (Manual page 32)
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Which devices are the most commonly used to alert drivers of unusual or potentially dangerous conditions in work areas and to guide them through the work zone?
- Guardrails, mile markers, reflectors and curbs
- Barricades, vertical panels, drums, cones and tubes
- Speed bumps, rumble strips and traffic signals
- Billboards, mailboxes, fences and trees
Show answer
Correct answer: Barricades, vertical panels, drums, cones and tubes
Barricades, vertical panels, drums, cones and tubes are the most commonly used channelizing devices in highway and street work areas.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 32 · Open this page in the manual (Manual page 32)
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At night, what are channelizing devices in work areas often equipped with?
- White reflective tape only
- Red flags and orange vests
- Sound alarms and warning horns
- Flashing or steady burning lights
Show answer
Correct answer: Flashing or steady burning lights
The manual says channelizing devices are often equipped with flashing or steady burning lights at night.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 32 · Open this page in the manual (Manual page 32)
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What do the diagonal stripes on a barricade or vertical panel guide the driver toward?
- The nearest exit from the work zone
- The place where workers are standing
- The direction in which traffic should pass
- The point where the lane ends
Show answer
Correct answer: The direction in which traffic should pass
The diagonal stripes on the barricade or vertical panel guide the driver toward the direction in which traffic should pass.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 32 · Open this page in the manual (Manual page 32)
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The stripes on a work-zone barricade slope downward to the left. What should you do?
- Bear to the left
- Bear to the right
- Stop and wait for a flagger
- Drive straight ahead through the barricade
Show answer
Correct answer: Bear to the left
Stripes sloping downward to the left mean the driver should bear to the left; stripes sloping downward to the right mean bear right.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 32 · Open this page in the manual (Manual page 32)
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When may large flashing or sequential arrow panels be used in work zones?
- Only at night
- Only in bad weather
- Only on interstate highways
- Both day and night
Show answer
Correct answer: Both day and night
The manual says large flashing or sequential arrow panels may be used in work zones both day and night.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 32 · Open this page in the manual (Manual page 32)