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Connecticut DUI / DWI Limits (2026)

Info: In Connecticut the OUI limit for adults is 0.08% blood alcohol, or 0.04% for commercial drivers, and drivers under 21 are held to a zero-tolerance limit of 0.02%.

InfoVerified May 31, 2026

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In Connecticut the OUI limit for adults is 0.08% blood alcohol, or 0.04% for commercial drivers, and drivers under 21 are held to a zero-tolerance limit of 0.02%. (C.G.S. 14-227a.)

Official source: cga.ct.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

DUI / DWI Limits in states bordering Connecticut

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

MassachusettsInfo
In Massachusetts the adult per se limit for OUI is 0.08% blood alcohol, drivers under 21 are held to a zero-tolerance limit of 0.02%, and commercial drivers are limited to 0.04%.
Verified May 31, 2026 · Source: mass.gov · Full Massachusetts rule →
New YorkInfo
In New York the adult DWI limit is 0.08% blood alcohol, a DWAI (impaired) charge applies at 0.05–0.07%, and drivers under 21 are held to a zero-tolerance limit of 0.02%.
Verified May 31, 2026 · Source: dmv.ny.gov · Full New York rule →
Rhode IslandInfo
In Rhode Island a DUI/DWI is 0.08% blood alcohol or higher for adults 21 and older (per se), the limit for drivers under 21 is 0.02%, and commercial drivers are limited to 0.04.
Verified May 31, 2026 · Source: dmv.ri.gov · Full Rhode Island rule →

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