Louisiana DMV practice test
43 practice questions written from the official handbook, Class D & E Driver's Guide, Updated June 2026. The mock test asks 40 questions and needs 32 correct.
Practice questions written from the official handbook; not affiliated with the state DMV.
examprepare.help wrote this study aid. The Louisiana Department of Public Safety and Corrections, Office of Motor Vehicles did not write or review it, and your real test may differ.
Practice shows the right answer and the handbook page after every question.The mock test asks 40 questions and needs 32 correct to pass.
The real Louisiana test
The guide says you must correctly answer 80 percent of the questions to pass but prints no question count. 40 questions and 32 correct are our practice target; check expresslane.la.gov before your test.
Check before your test. The Louisiana DMV does not publish the test size in a document we could find. Our number is a practice target.
Rule source: Louisiana Office of Motor Vehicles, Driver Manuals.
Official handbook
Class D & E Driver's Guide
Read the handbook (PDF, Louisiana Department of Public Safety and Corrections, Office of Motor Vehicles) or the handbook page on the agency site.
We read this edition on 2026-10-05. Handbooks change. Check that your copy is the current one.
Key numbers from the handbook
| Rule | Value | Page |
|---|---|---|
| Maximum speed for any vehicle in Louisiana | 70 mph | 128 |
| Speed limit when pulling or towing another motor vehicle in Louisiana | 45 mph | 128 |
| Speed limit for Louisiana school buses frequently stopping to load or unload children | 35 mph | 128 |
| Following-distance rule in the Louisiana guide | The three-second rule | 65 |
| Following count that may be needed in poor driving conditions | A four-second following distance | 66 |
| Distance trucks must keep from one another on rural Louisiana highways | 400 feet except to pass | 129 |
| Braking distance for a vehicle at 50 mph on dry pavement, per the guide | About 158 feet | 64 |
| Distance to dim high beams for oncoming and following vehicles in Louisiana | 500 feet oncoming and 200 feet following | 75 |
| When Louisiana law requires headlights | Sunset to sunrise, and in weather that hides you from 500 feet | 75 |
| Distance to stop from a Louisiana school bus loading or unloading children | At least 30 feet | 88 |
| Distance before a stop that a Louisiana school bus uses amber lights | At least 100 feet but no more than 500 feet | 88 |
| Rear-facing car seat requirement in Louisiana | Birth to at least 2 years | 40 |
| Booster seat age range in Louisiana | 4 to 9 years | 40 |
| Where Louisiana children under 13 must ride | In the rear seat when available | 40 |
| Legal blood alcohol concentration for a Louisiana driver 21 or older | 0.08% | 123 |
| Blood alcohol concentration for a Louisiana driver 20 or younger | 0.02% | 123 |
| Suspension for a first refusal of a chemical test in Louisiana | 365 days | 126 |
| Suspension when a Louisiana test shows a BAC of 0.15% or greater | Two years (730 days) | 126 |
| Suspension when a Louisiana driver under 21 tests at 0.02% or more | 180 days | 126 |
| Speed the guide calls adequate in a Louisiana roundabout | 15 mph or less | 37 |
| Distance to keep from a fire hydrant when parking in Louisiana | 15 feet | 70 |
| Distance to keep from a railroad crossing when parking in Louisiana | 50 feet | 70 |
| Distance within which certain vehicles must stop at a Louisiana railroad crossing | Within 50 feet but not closer than 15 feet | 129 |
| What Louisiana's move over law requires near a roadside incident | Slow down and change lanes | 30 |
Questions about the Louisiana test
How many questions are on the Louisiana DMV written test?
The agency does not publish the number of questions. Our mock test uses 40. The guide says you must correctly answer 80 percent of the questions to pass but prints no question count. 40 questions and 32 correct are our practice target; check expresslane.la.gov before your test.
How many questions do I need to pass the Louisiana written test?
You need 80% to pass. The agency does not publish the number of questions, so our mock test needs 32 of 40.
Are these the real DMV test questions?
No. examprepare.help wrote these 43 practice questions from the official handbook, Class D & E Driver's Guide, Updated June 2026. They are not the real test questions. Practice questions written from the official handbook; not affiliated with the state DMV. Check the Louisiana DMV website before you take the real test.
Which handbook are the questions from?
Class D & E Driver's Guide, Updated June 2026, published by the Louisiana Department of Public Safety and Corrections, Office of Motor Vehicles. Every answer cites the handbook section and page.
All 43 questions and answers
Read the bank before a mock test. Each answer names the handbook section and the printed page.
- 1.What score must you make to pass the Louisiana knowledge test?
The Test
- 80 percent
The guide says you must correctly answer 80 percent of the questions to receive a passing score. Handbook: Knowledge Test, page 8.
- 2.Where do the Louisiana knowledge test questions come from?
The Test
- The information contained in the driver's guide
The guide says the test contains multiple-choice questions taken from the information in the manual. Handbook: Knowledge Test, page 8.
- 3.On what device is the Louisiana knowledge test given in most offices?
Licensing
- A computer
The guide says the exam is given on a computer in most offices. Handbook: Knowledge Test, page 8.
- 4.What must you show each time you take the Louisiana knowledge test?
Licensing
- Proper identification
The guide says proper identification is required each time the test is taken. Handbook: Knowledge Test, page 8.
- 5.Which violation causes a Louisiana driving privilege suspension?
Licensing
- Failing to stop for a school bus loading or unloading children
The guide lists failure to stop for a school bus loading or unloading children among the suspensions. Handbook: License Suspension and Revocation, page 126.
- 6.What is the maximum speed for any vehicle in Louisiana?
Speed and Space
- 70 mph
The maximum speed for any vehicle in Louisiana is 70 mph except where a lower limit applies or is posted. Handbook: Driving, page 128.
- 7.What is the speed limit in Louisiana when pulling or towing another motor vehicle?
Speed and Space
- 45 mph
When pulling or towing another motor vehicle the speed limit is 45 mph. Handbook: Driving, page 128.
- 8.What is the speed limit for a Louisiana school bus frequently stopping to load or unload children?
Speed and Space
- 35 mph
School buses are limited to 35 mph when frequently stopping to load or unload children. Handbook: Driving, page 128.
- 9.Which following-distance rule does the Louisiana guide teach?
Speed and Space
- The three-second rule
The guide teaches the three-second rule because most people have trouble judging distances. Handbook: Following Distances, page 65.
- 10.How should you change your following distance in poor driving conditions in Louisiana?
Speed and Space
- You may need a four-second following distance
In poor conditions you may need a four-second following distance to be safe. Handbook: Following Distances, page 66.
- 11.How close may one Louisiana motor truck follow another on a rural highway outside a residential or business district?
Speed and Space
- No closer than 400 feet except to pass
On rural highways, motor trucks must not follow within 400 feet of one another except to pass. Handbook: Driving, page 129.
- 12.About how far does it take to stop at 50 mph on dry pavement with good brakes?
Speed and Space
- About 158 feet
At 50 mph on dry pavement with good brakes, it can take about 158 feet to stop. Handbook: Stopping Distance, page 64.
- 13.When may you turn right at a steady red light in Louisiana?
Signals and Signs
- After stopping and yielding to traffic and pedestrians, when no sign prohibits it
If no sign prohibits a right turn on red, you may turn after stopping and yielding to traffic, including pedestrians. Handbook: Traffic Signals, page 33.
- 14.How should you treat a flashing red traffic light in Louisiana?
Signals and Signs
- Stop and use the same procedure as at a stop sign
A flashing red light means stop and use the same procedure as at a stop sign, looking both ways and yielding. Handbook: Traffic Signals, page 34.
- 15.What does a red arrow mean in Louisiana?
Signals and Signs
- You must stop and may not go in the direction of the arrow
A red arrow means stop; you may not go in that direction until the green arrow returns. Handbook: Traffic Signals, page 34.
- 16.When turning on a green arrow in Louisiana, what should you watch for?
Signals and Signs
- Drivers making a right turn on red from the other side of the intersection
The guide warns that when the arrow is green, oncoming or crossing traffic should yield, but be careful of others making a right turn on red. Handbook: Traffic Signals, page 33.
- 17.What does a railroad crossbuck sign tell you in Louisiana?
Signals and Signs
- You must yield the right of way to a train
The crossbuck is required at all public railroad crossings and means you must yield the right of way to a train. Handbook: Railroad Crossing Signs, page 30.
- 18.What does a Louisiana school speed limit when flashing sign mean?
Signals and Signs
- The reduced speed applies only when the lights flash
The sign indicates a reduced speed limit in a school zone that is required only when flashing; otherwise obey the roadway speed limit. Handbook: School Speed Limit When Flashing Sign, page 27.
- 19.What right do pedestrians have on Louisiana highways?
Right of Way and Sharing
- They have the right of way
The guide says pedestrians have the right of way. Handbook: Pedestrians, page 76.
- 20.When making a left turn in Louisiana, whom must you yield to?
Right of Way and Sharing
- Oncoming traffic and pedestrians
A left turn at a steady green is allowed only when the intersection is clear, and you must yield to oncoming traffic and pedestrians. Handbook: Traffic Signals, page 33.
- 21.What speed does the Louisiana guide call adequate in a roundabout?
Right of Way and Sharing
- 15 mph or less
The guide says speeds of 15 mph or less are adequate in the roundabout. Handbook: Roundabouts, page 37.
- 22.Whom must you yield to when entering a Louisiana roundabout?
Right of Way and Sharing
- Traffic already in the roundabout
The guide says to yield the right of way to traffic already in the roundabout. Handbook: Roundabouts, page 37.
- 23.What does Louisiana's move over law require near a roadside incident?
Right of Way and Sharing
- Slow down and change lanes
The move over law requires you to slow down and change lanes when approaching a roadside incident. Handbook: Incident Signs, page 30.
- 24.When may you pass a Louisiana school bus with its red lights flashing?
Right of Way and Sharing
- Never, on either side
The guide says never pass a bus with its red lights flashing on the right or on the left. Handbook: Stopped School Buses, page 88.
- 25.How far from a stopped Louisiana school bus loading or unloading children must you stop?
School Buses
- At least 30 feet
You must stop at least thirty feet from a stopped school bus that is loading or unloading children. Handbook: Stopped School Buses, page 88.
- 26.How far before a stop does a Louisiana school bus use its amber lights?
School Buses
- At least 100 feet but no more than 500 feet
The guide says the amber lights are activated at least 100 feet but no more than 500 feet before the school bus stop. Handbook: Stopped School Buses, page 88.
- 27.When are Louisiana drivers not required to stop for a stopped school bus?
School Buses
- When the bus is on the opposite side of a divided roadway separated by a barrier
You are not required to stop when the bus is in opposite lanes on a roadway separated by a ditch, grassy median or barrier; drivers must stop on a four-lane roadway without a barrier. Handbook: Stopped School Buses, page 88.
- 28.How must a Louisiana child ride from birth to at least 2 years?
Seat Belts and Children
- In a rear-facing, federally approved car seat
The law requires a rear-facing, federally approved car seat from birth to at least 2 years. Handbook: Young Children - Louisiana Child Passenger Restraint Law, page 40.
- 29.When must a Louisiana child use a booster seat with restraints?
Seat Belts and Children
- From 4 to 9 years
A child from 4 to 9 years must use a booster seat with restraints. Handbook: Young Children - Louisiana Child Passenger Restraint Law, page 40.
- 30.Where must a Louisiana child younger than 13 ride?
Seat Belts and Children
- In the rear seat when available and properly restrained
Children younger than 13 must ride in the rear seat of a vehicle when available and properly restrained. Handbook: Young Children - Louisiana Child Passenger Restraint Law, page 40.
- 31.How should a Louisiana child age 9 ride?
Seat Belts and Children
- Restrained with a lap and shoulder seat belt secured correctly
At age 9 a child rides restrained with a lap and shoulder seat belt secured correctly on the vehicle seat. Handbook: Young Children - Louisiana Child Passenger Restraint Law, page 40.
- 32.What is the legal blood alcohol concentration for a Louisiana driver 21 or older?
Alcohol and Drugs
- 0.08%
The legal limit in Louisiana is 0.08% for a driver 21 or older. Handbook: Blood Alcohol Concentration, page 123.
- 33.What is the legal blood alcohol concentration for a Louisiana driver 20 or younger?
Alcohol and Drugs
- 0.02%
The limit is 0.02% for a driver 20 years of age and younger. Handbook: Blood Alcohol Concentration, page 123.
- 34.About how fast does the body process alcohol, according to the guide?
Alcohol and Drugs
- 0.015% per hour
The guide says the body can process about 0.015% of alcohol per hour. Handbook: Blood Alcohol Concentration, page 123.
- 35.What is the suspension for a first refusal of a chemical test in Louisiana?
Alcohol and Drugs
- 365 days
A first refusal suspends driving privileges for 365 days; a second or later refusal is 730 days. Handbook: Implied Consent, page 126.
- 36.What suspension follows a Louisiana test result of 0.15% or greater?
Alcohol and Drugs
- Two years (730 days)
A BAC of 0.15% or greater brings a two-year (730-day) suspension. Handbook: Implied Consent, page 126.
- 37.What suspension follows a Louisiana test result of 0.02% or more for a driver under 21?
Alcohol and Drugs
- 180 days
A driver under 21 testing at 0.02% or more has driving privileges suspended for 180 days. Handbook: Implied Consent, page 126.
- 38.How close to a fire hydrant may you park in Louisiana?
Parking and Railroad
- No closer than 15 feet
The guide says you may not park within 15 feet of a fire hydrant. Handbook: Parking, page 70.
- 39.How close to a railroad crossing may you park in Louisiana?
Parking and Railroad
- Within 50 feet
The guide says you may not park within 50 feet of a railroad crossing. Handbook: Parking, page 70.
- 40.Where must vehicles required to stop at a Louisiana railroad crossing stop?
Parking and Railroad
- Within 50 feet but not closer than 15 feet from the nearest rail
You must stop within 50 feet but not closer than 15 feet from the nearest rail, and may not change gears until fully across. Handbook: Railroad Stops, page 129.
- 41.What does Louisiana law say about coasting downhill?
Parking and Railroad
- You must not coast with the clutch disengaged or the gear in neutral
You must not let your vehicle coast downhill with the clutch disengaged or the gear in neutral. Handbook: Driving, page 129.
- 42.At what distances must you dim your high beams in Louisiana?
Night Driving
- Within 500 feet oncoming and 200 feet following
High beams must be dimmed no less than 500 feet from oncoming traffic and 200 feet from a vehicle being followed. Handbook: Night Driving, page 75.
- 43.When does Louisiana law require headlights?
Night Driving
- Between sunset and sunrise, and in weather that hides you from 500 feet
Headlights are required between sunset and sunrise and whenever weather makes it hard for others to see your vehicle from 500 feet. Handbook: Night Driving, page 75.