MS DMV Alcohol, Drugs, and Impaired Driving

Question 1

What is the legal blood alcohol concentration (BAC) limit for drivers aged 21 and older in Mississippi?

Accepted Answer

0.08%

Answer

Mississippi law sets the legal BAC limit at 0.08% for drivers 21 and older, consistent with the national standard.

Question 2

In Mississippi, what is the legal BAC limit for drivers under the age of 21?

Accepted Answer

0.02%

Answer

Mississippi enforces a 0.02% BAC limit for drivers under 21 under the state's zero-tolerance law.

Question 3

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

Accepted Answer

Driving Under Influence

Answer

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

If you refuse to take a chemical test (breath, blood, or urine) when lawfully requested by a Mississippi officer, what automatically happens?

Accepted Answer

Your license is suspended for 90 days

Answer

Under Mississippi's implied consent law, refusing a chemical test results in an automatic 90-day license suspension for a first refusal.

Question 5

Which of the following substances can legally impair a driver and result in a DUI charge in Mississippi?

Accepted Answer

Alcohol, illegal drugs, or impairing prescription medications

Answer

Mississippi DUI law applies to any substance — including alcohol, illegal drugs, or impairing prescriptions — that affects a driver's ability to operate a vehicle safely.

(MS DMV) Mississippi Department of Motor Vehicle Practice Test

(MS DMV) Mississippi Department of Motor Vehicle Practice Test

MS DMV Alcohol, Drugs, and Impaired Driving