Maryland DUI Laws

Maryland's DUI and DWI Laws and Penalties

How Maryland defines driving while impaired (DWI) and driving under the influence (DUI) and the consequences of a first, second, and third violation

First-Offense DUI/DWI in Maryland

A first offense DUI in Maryland results in both criminal and administrative penalties. Additionally, Maryland includes both DUI offenses (when the driver's BAC is .08% or higher) and DWI offenses (when the driver's BAC is .04% to .08%), which are separate charges with varying degrees of severity.

Second-Offense DWI/DUI in Maryland

If you have been charged with a DWI/DUI in Maryland for the second time within 10 years (the Maryland lookback period), it is considered a misdemeanor. There are some harsh consequences that come with the second DUI in Maryland, including jail time and expensive fines.

Third-Offense DUI/DWI in Maryland

What to expect in terms of penalties and consequence if you're convicted of a third DUI in Maryland.

Maryland’s Implied Consent Law and Refusing a Blood or Breath Alcohol Test

In Maryland, if you get pulled over for a DWI (driving while intoxicated) and the officer asks you to take a blood, breath, or urine test, do you have to take one? What happens if you refuse?

Driving Under the Influence of Drugs in Maryland

What is considered drugged driving in Maryland and what are the penalties if convicted?

Underage DUI Laws and Penalties in Maryland

Maryland has a zero-tolerance policy for drivers who are under the legal drinking age of 21