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Connecticut DUI Laws

Connecticut DUI Defense

What you're facing, what the deadlines are, and the questions your attorney needs to answer — specific to Connecticut (CT) law.

BAC Limit

0.08

Enhanced BAC

0.16

Higher penalties above this

Lookback Period

10 years

Prior offenses count within

7 days-Day DMV Hearing Deadline

In Connecticut, you have 7 days days from your arrest to request an administrative DMV hearing. Miss this deadline and your license suspension goes into effect automatically — even if the criminal case is later dismissed.

First Offense Penalties in Connecticut

Jail TimeUp to 6 months (2 days mandatory minimum)
Fines$500 – $1,000
License Suspension45 days
Ignition InterlockRequired for 1 year

Implied Consent & Test Refusal

Like all 50 states, Connecticut has an implied consent law — by driving on Connecticut roads, you've already agreed to submit to a chemical test (breath, blood, or urine) if an officer has probable cause to believe you're impaired.

Refusal Penalty

45-day license suspension + 6-month IID

Connecticut-Specific Detail

Connecticut's ignition interlock requirement applies to all first-offense DUI convictions regardless of BAC level.

Is your Connecticut DUI defense on track?

The Defense Milestone Score checks 10 critical defense behaviors specific to DUI cases. Takes 2 minutes. Instant results.

Take the Free Defense Score

DUI Defense Playbook$97

26 questions your DUI attorney hopes you never ask, a case stage roadmap, red flag checklist, and a case progress scorecard. Instant PDF download — calibrated for Connecticut DUI defendants.

Important: This page provides general legal information about Connecticut DUI laws as of the date of publication. Laws change frequently. This is not legal advice. Consult a Connecticut-licensed attorney for guidance specific to your case.