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Kentucky DUI Laws

DUI Defense in Kentucky

Statutes, Penalties, and Defense Strategies

What you are facing, the deadlines that bind you, and the questions an attorney needs to answer — under Kentucky (KY) DUI law.

BAC Limit

0.08

Enhanced BAC

0.15

Higher penalties above this

Lookback Period

10 years

Prior offenses count within

First Offense Penalties in Kentucky

Jail Time2 – 30 days
Fines$200 – $500
License Suspension6 months
Ignition Interlock

Plain language

A breath-tester wired into the car ignition. The car will not start without a clean sample.

Required for BAC 0.15+

Implied Consent and Test Refusal

Kentucky has an

implied consent law

Plain language

By driving on the state's roads, you have already agreed to a chemical test if an officer has probable cause to think you are impaired.

like every state. The test can be breath, blood, or urine. Refusing carries its own penalty, listed below.

Refusal Penalty

2 – 6 month license suspension

Kentucky-Specific Detail

Kentucky is one of the few states where a first-offense DUI carries a mandatory minimum jail sentence of at least 2 days, with no exceptions.

Is your Kentucky DUI defense on track?

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DUI Defense Playbook — $127

26 questions that change how your next attorney meeting goes, a case stage roadmap, red flag checklist, and a case progress scorecard. Instant PDF download — calibrated for Kentucky DUI defendants.

Get the DUI Playbook — $127Read the Free DUI Guide

Other Kentucky defense topics

Facing a different charge in Kentucky? Penalty ranges, enhancements, and defense questions for related crimes:

Drug Possession in KentuckyAssault in KentuckyDomestic Violence in Kentucky

Important: This page provides general legal information about Kentucky DUI laws as of the date of publication. Laws change frequently. This is not legal advice. For guidance specific to your case, speaking with a Kentucky-licensed attorney is one option, or take the free Masked Researcher’s First Read to see where your case stands.