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Mississippi DUI / DWI Limits (2026)

Info: In Mississippi the adult per se limit for DUI 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%.

InfoVerified May 31, 2026

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Official source: dor.ms.gov →

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

DUI / DWI Limits in states bordering Mississippi

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

AlabamaInfo
In Alabama the adult DUI per se limit is 0.08% blood alcohol, and drivers under 21 are held to zero tolerance at 0.02% (Ala. Code 32-5A-191). A first conviction can bring up to 1 year in jail, a fine of $600–$2,100, or both, plus a 90-day license suspension (which can be stayed if an ignition interlock is installed for 90 days).
Verified Jul 26, 2026 · Source: alison.legislature.state.al.us · Full Alabama rule →
ArkansasInfo
Arkansas sets its DWI limit at an alcohol concentration of 0.08% or more in breath or blood for adults, 0.04% for commercial drivers, and 0.02% for anyone under 21 (an "Underage DUI"). …
Verified Jul 30, 2026 · Source: dps.arkansas.gov · Full Arkansas rule →
LouisianaInfo
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%.
Verified May 31, 2026 · Source: legis.la.gov · Full Louisiana rule →
TennesseeInfo
In Tennessee the per se limit for adults is 0.08% blood alcohol, and drivers under 21 are held to a zero-tolerance limit of 0.02%.
Verified May 31, 2026 · Source: tn.gov · Full Tennessee rule →

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