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Louisiana DUI / DWI Limits (2026)

Info: In Louisiana the adult per se limit is 0.08% blood alcohol (R.S. 14:98), drivers under 21 are held to a zero-tolerance limit of 0.02%, and commercial drivers are limited to 0.04%.

InfoVerified May 31, 2026

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In Louisiana the adult per se limit is 0.08% blood alcohol (R.S. 14:98), drivers under 21 are held to a zero-tolerance limit of 0.02%, and commercial drivers are limited to 0.04%.

Official source: legis.la.gov →

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