Alcohol Drug Limits

If the BAC level is 0.08, it may lead to...

A BAC of 0.08% or higher leads to a DUI per se, meaning intoxication is presumed by law, even without other evidence.

If BAC range is 0.07 to 0.079, it results in...

This BAC level suggests impairment, and drivers can be charged with DWI even if under the DUI threshold.

Legal BAC limit for commercial drivers is

Commercial drivers are held to stricter standards due to the size and responsibility of their vehicles.

Legal BAC threshold for under-21 drivers is

Maryland’s zero-tolerance policy means any measurable alcohol in drivers under 21 can result in a DUI.

A BAC of 0.15% or more results in an administrative suspension of

A high BAC above 0.15% leads to harsher penalties including a longer license suspension on the first offense.

A first administrative per se BAC of 0.08–0.14% results in suspension of

Mid-range BAC violations result in an automatic 45-day license suspension under administrative rules.

Refusing a chemical test for the first time results in

Under Maryland’s implied consent law, first-time refusal of a chemical test leads to 120-day suspension.

Refusing a field sobriety test carries a jail term of

Refusing a standardized field sobriety test can be treated as a misdemeanor, with possible jail time.

A BAC below 0.08% but above 0.07% is considered

This is not DUI, but still punishable as DWI since it indicates reduced driving ability.

Maximum jail term for a first DUI conviction is

A first DUI offense in Maryland may result in up to 12 months in jail, depending on circumstances.

Maximum fine for a first DUI conviction is

Even without jail, the financial penalty for a first-time DUI can be as high as $1,000.

A first DUI with BAC morethan 0.15% causes a license suspension of

A BAC at or above 0.15% triggers extended administrative penalties including 90-day suspension.

A program required after DUI refusal or high BAC is

Drivers must install this breath-test device for 1 year if BAC is ≥ 0.15% or they refuse testing.

Penalty for refusing a test under implied consent laws is

Refusing a breath or blood test results in license suspension even without a conviction.

Suspension for a second DUI offense within five years is

A repeat DUI within 5 years brings a mandatory 1-year license suspension under state law.

Ignition interlock requirement for 2+ DUIs within 5 years is

Drivers with two or more DUI offenses within 5 years must use the ignition interlock system for three years.

DUI with a minor passenger increases penalties through

Having a child in the car at the time of DUI leads to enhanced penalties, including up to $4,000 fine.

Minimum jail sentence for a third DUI with a minor present is

Maryland law imposes at least 10 days in jail for a third DUI offense if a child passenger is involved.