Mississippi Driver's License Knowledge Test — Questions and Answers

Question 1: What happens when you refuse a chemical test after a DUI arrest in Mississippi?

A verbal warning
A small fine only
Automatic license suspension and possible enhanced penalties (Correct answer)
No consequences

Correct answer: Automatic license suspension and possible enhanced penalties

Refusing a chemical test in Mississippi triggers automatic administrative license suspension under the implied consent law, and may result in enhanced penalties.

Question 2: What blood alcohol level is associated with the first noticeable impairment of judgment and vision in most people?

0.10%
0.15%
0.08%
0.02% (Correct answer)

Correct answer: 0.02%

Even at a BAC as low as 0.02%, some decline in visual function and ability to perform two tasks at once can occur.

Question 3: What does DUI stand for in the context of Mississippi traffic law?

Driving Unlawfully Intoxicated
Driving Under Impairment
Driving Under Intoxication
Driving Under Influence (Correct answer)

Correct answer: Driving Under Influence

DUI stands for Driving Under the Influence, which is the charge applied when a driver operates a vehicle while impaired by alcohol or drugs.

Question 4: What should you do if you notice your vehicle’s engine temperature gauge rising into the red zone?

Pull over safely, turn off the engine, and let it cool down (Correct answer)
Continue driving and turn off the air conditioning
Increase engine speed to cool the engine
Use the vehicle’s heater to draw heat away from the engine

Correct answer: Pull over safely, turn off the engine, and let it cool down

An engine temperature gauge in the red zone indicates severe overheating, which can cause significant damage to the engine. Continuing to drive will exacerbate the problem. Pulling over safely and turning off the engine allows it to cool down, preventing further damage and allowing for inspection or assistance.

Question 5: What should you do if you see a flashing yellow traffic signal?

Continue driving at your current speed
Proceed with caution (Correct answer)
Stop immediately
Prepare to make a U-turn

Correct answer: Proceed with caution

A flashing yellow signal indicates that drivers should slow down, be prepared to stop, and proceed through the intersection with increased awareness. It means there's a potential hazard or a need for caution, but a full stop is not required unless other conditions (like pedestrians or cross-traffic) demand it. This signal alerts drivers to exercise vigilance and yield the right-of-way if necessary.

Question 6: In Mississippi, what is the safest action when approaching a curve?

Accelerate through the curve
Brake during the curve
Slow down before entering the curve, then maintain steady speed through it (Correct answer)
Maintain highway speed

Correct answer: Slow down before entering the curve, then maintain steady speed through it

Reduce speed before entering a curve. Braking in a curve can cause loss of traction, while accelerating may cause the vehicle to leave the road.

Question 7: What is the primary risk of 'overdriving your headlights' at night?

Headlights overheat and fail
Other drivers are blinded by your headlights
You cannot stop in time for obstacles beyond your light range (Correct answer)
The battery drains faster at night

Correct answer: You cannot stop in time for obstacles beyond your light range

Overdriving headlights means traveling at a speed where your stopping distance exceeds the distance illuminated by your lights.

Question 8: Brown signs along the highway most commonly indicate:

Construction detour routes
Hazardous material routes
Hospital and emergency services
Recreational areas, parks, or points of interest (Correct answer)

Correct answer: Recreational areas, parks, or points of interest

Brown signs are used to identify recreational areas, cultural sites, national parks, and other points of interest.

Question 9: In Mississippi, when must you signal before making a turn or lane change?

At least 50 feet before turning
At least 200 feet before turning on highways
At least 25 feet before turning
At least 100 feet before turning (Correct answer)

Correct answer: At least 100 feet before turning

Mississippi law requires a turn signal at least 100 feet before turning or changing lanes.

Question 10: A flashing red traffic light requires you to:

Yield to cross traffic only
Continue at the same speed
Come to a complete stop, then proceed when safe (Correct answer)
Slow down and proceed without stopping

Correct answer: Come to a complete stop, then proceed when safe

A flashing red light must be treated the same as a stop sign — come to a complete stop before proceeding when it is safe to do so.

Question 11: What does a red octagonal sign require drivers to do in Mississippi?

Slow down
Come to a complete stop (Correct answer)
Yield to traffic
Merge with traffic

Correct answer: Come to a complete stop

An octagonal red sign is a stop sign, requiring drivers to come to a complete stop before the intersection or stop line.

Question 12: When merging onto a Mississippi highway, what is the correct technique?

Merge at whatever speed you are traveling
Stop at the end of the ramp and wait for a gap
Use the acceleration lane to match highway speed, then merge smoothly (Correct answer)
Force your way in since merging traffic has right-of-way

Correct answer: Use the acceleration lane to match highway speed, then merge smoothly

The acceleration lane is designed to let merging drivers reach the speed of highway traffic before smoothly entering the travel lanes.

Question 13: An advisory speed sign posted below a curve warning sign indicates:

The speed limit enforced by cameras
The maximum legal speed on the entire road
The minimum speed required through the curve
The recommended safe speed to navigate the curve (Correct answer)

Correct answer: The recommended safe speed to navigate the curve

Advisory speed signs (usually yellow with black text) suggest the safest speed to travel through a specific curve or hazard, not the legal limit.

Question 14: What is the maximum speed limit on Mississippi interstate highways?

60 mph
85 mph
70 mph (Correct answer)
55 mph

Correct answer: 70 mph

The maximum speed limit on Mississippi interstate highways is 70 mph, though lower limits may be posted in urban areas and construction zones.

Question 15: Mississippi law requires that open containers of alcohol in a vehicle must be:

Stored anywhere in the vehicle if the driver is sober
Allowed only if passengers are consuming them
Kept in the trunk or locked glove box, inaccessible to the driver (Correct answer)
Kept on the floor of the backseat

Correct answer: Kept in the trunk or locked glove box, inaccessible to the driver

Mississippi's open container law requires that any open alcoholic beverage be stored in the trunk or another area not readily accessible to the driver or passengers.

Question 16: What does a red octagonal sign indicate?

Yield
Do not enter
No parking
Stop (Correct answer)

Correct answer: Stop

An octagonal sign is universally recognized as a 'Stop' sign. This unique shape is used exclusively for stop signs to ensure they are identifiable even if obscured or damaged. Drivers must come to a complete stop at the stop line or before entering the intersection.

Question 17: What does a brown rectangular sign indicate on Mississippi highways?

Speed regulations
Recreational or cultural points of interest (Correct answer)
Hospital directions
Construction zones

Correct answer: Recreational or cultural points of interest

Brown signs direct travelers to recreational and cultural points of interest such as parks, campgrounds, historic sites, and scenic areas.

Question 18: Which of the following is a legal and safe alternative to driving after drinking in Mississippi?

Waiting 30 minutes before driving
Driving slowly on back roads
Drinking water to lower your BAC before driving
Using a designated driver or rideshare service (Correct answer)

Correct answer: Using a designated driver or rideshare service

Using a designated sober driver or a rideshare service is a safe and legal alternative that eliminates the risk of impaired driving.

Question 19: In Mississippi, when is it legal to make a right turn on red?

After stopping completely and yielding to all traffic and pedestrians, unless a sign prohibits it (Correct answer)
It is never legal
At any time without stopping
Only at intersections with a green arrow

Correct answer: After stopping completely and yielding to all traffic and pedestrians, unless a sign prohibits it

Right turns on red are permitted in Mississippi after a complete stop and yielding to cross traffic and pedestrians, provided no sign prohibits it.

Question 20: At what age can a teenager first obtain a learner's permit in Mississippi?

18
15 (Correct answer)
17
12

Correct answer: 15

Mississippi allows teenagers to apply for an instruction permit at age 15, beginning the graduated licensing process.

Question 21: If a Mississippi driver is convicted of DUI causing death or mutilation, the offense is classified as:

A Class A misdemeanor
A felony (Correct answer)
An infraction
A Class C misdemeanor

Correct answer: A felony

DUI causing death or mutilation (disfigurement) in Mississippi is a felony, carrying significant prison time and other severe penalties.

Question 22: What does a white and black circular sign with "Do Not Enter" mean?

No entry for any vehicles (Correct answer)
No parking
Proceed if you are turning around
Entry allowed only with a special permit

Correct answer: No entry for any vehicles

A white and black circular sign with 'Do Not Enter' clearly indicates that vehicles are prohibited from entering that roadway or area. This sign is typically placed at the exit ramps of freeways or one-way streets to prevent wrong-way driving. It is a critical regulatory sign for traffic flow and safety.

Question 23: What is the maximum speed limit on rural highways in Mississippi unless otherwise posted?

55 mph
70 mph
75 mph
65 mph (Correct answer)

Correct answer: 65 mph

In Mississippi, the maximum speed limit on rural highways is generally 65 mph, unless specific signs indicate a different limit. Drivers must always adhere to posted speed limits and adjust their speed according to road and weather conditions. This regulation helps ensure safety on less congested roadways.

Question 24: Which marking on a Mississippi road indicates a lane designated for left turns only?

A dashed white line with arrows
A painted left-turn arrow on the pavement (Correct answer)
A blue lane marking
A solid yellow line

Correct answer: A painted left-turn arrow on the pavement

Pavement markings with left-turn arrows designate lanes that must be used only for turning left.

Question 25: What is the purpose of the vehicle’s transmission?

To regulate the engine temperature
To adjust the seat position
To control the air conditioning system
To transfer power from the engine to the wheels (Correct answer)

Correct answer: To transfer power from the engine to the wheels

The transmission is a crucial component of a vehicle's drivetrain system. Its main purpose is to convert the engine's power into usable torque and speed, which is then delivered to the wheels. This allows the vehicle to move efficiently at various speeds and adapt to different driving conditions.

Mississippi Driver's License Knowledge Test

The Mississippi Department of Public Safety knowledge test evaluates applicants on road signs, traffic laws, and safe driving practices required to obtain a driver's license in Mississippi.

Questions

45 min

Time Limit

80%

To Pass

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Exam Rules

You can skip questions and return to them later
Flag questions for review before submitting
No feedback shown until you submit the entire exam
Unanswered questions count as wrong — answer everything
10 pretest questions are mixed in and don't affect your score
Timer auto-submits when time runs out
Your progress is auto-saved every 30 seconds

These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

driverservicebureau.dps.ms.gov — Exam format, score validity, test delivery, eligibility, fees, retake policy, exam information · verified Oct 2026