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Texas DUI / DWI Limits (2026)

Info: In Texas the limit for adults is 0.08% blood alcohol (DWI, Penal Code 49.04), and drivers under 21 face a zero-tolerance rule: any detectable alcohol is an offense (Alcoholic Beverage Code 106.041).

InfoVerified May 31, 2026

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Official source: statutes.capitol.texas.gov →

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

DUI / DWI Limits in states bordering Texas

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

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 →
New MexicoInfo
In New Mexico the adult DWI limit is 0.08% blood alcohol, with an aggravated offense at 0.16%, and drivers under 21 are held to a zero-tolerance limit of 0.02%.
Verified Jun 29, 2026 · Source: rld.nm.gov · Full New Mexico rule →
OklahomaInfo
In Oklahoma a DUI is 0.08% blood alcohol or higher for adults 21 and older (per se), drivers under 21 are held to zero tolerance for any measurable amount, and commercial drivers are limited to 0.04.
Verified May 31, 2026 · Source: oklahoma.gov · Full Oklahoma rule →

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