Florida Impaired Driving Laws: BAC Limits, Penalties, and What Constitutes Impairment

In Florida, impaired driving means operating a vehicle while affected by alcohol, drugs, or any substance that diminishes driving ability.

Legal Limits

• Age 21+: Blood Alcohol Content (BAC) ≥ 0.08% = per se DUI.
• Under 21: Zero tolerance—any detectable alcohol = violation.

Signs of Impairment (even below 0.08%)

• Weaving, speed fluctuation, lane drift.
• Slow reactions, slurred speech, bloodshot eyes.
• Drowsiness, disorientation, confusion.

Enforcement & Penalties

• Breathalyzer/field sobriety tests; refusal → automatic license suspension.
• First offense: fines, possible jail, license suspension/revocation.
• Repeat offenses: harsher penalties, mandatory jail, ignition interlock device.

Don't drive impaired. Use rideshares, taxis, or designated drivers.