Florida: DUI Laws & Penalties Questions

7 real, verified Florida driving-test questions on dui laws & penalties, each with the correct answer and a full explanation below. Want to practice these interactively instead? Start a DUI Laws & Penalties practice round.

1. What is the legal BAC limit for a Florida driver 21 or older operating a non-commercial vehicle?

Why: Florida sets the legal BAC limit for drivers 21 and older at 0.08%; driving at or above this level is Driving Under the Influence (DUI).

2. Under Florida's zero-tolerance law, a driver under 21 with a BAC of 0.05% or higher is required to:

Why: Separate from the 0.02% automatic-suspension threshold, Florida requires any driver under 21 with a BAC of 0.05% or higher to attend a substance abuse course.

3. For a first DUI conviction in Florida, what is the standard fine range (absent a high BAC or a minor passenger)?

Why: A standard first DUI conviction in Florida carries a fine of $500 to $1,000 — this range increases to $1,000-$2,000 if the BAC was 0.15 or higher or a minor was in the vehicle.

4. For a first DUI conviction in Florida, how many hours of community service are required?

Why: A first DUI conviction in Florida requires 50 hours of community service.

5. For a first DUI conviction in Florida, what is the minimum license revocation period?

Why: A first DUI conviction in Florida carries a minimum license revocation of 180 days.

6. For a first DUI conviction in Florida, how many hours of DUI school are generally required?

Why: A first DUI conviction in Florida generally requires 12 hours of DUI school (a second conviction requires 21 hours).

7. In Florida, an ignition interlock device becomes mandatory (for at least six continuous months) for a first DUI conviction when:

Why: For a first DUI conviction, an ignition interlock device is court-ordered only if the BAC was 0.15 or higher or a minor was in the vehicle — otherwise it's at the court's discretion.

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