The acronym stands for driving while intoxicated, but DWI doesn’t refer only to alcohol.
Texas DWI law holds that intoxication while operating a motor vehicle means “not having the normal use of mental or physical faculties by reason of the introduction of alcohol, a controlled substance, a drug, a dangerous drug, a combination of two or more of those substances, or any other substance into the body.”
It also considers DWI to be “having an alcohol concentration of 0.08 or more.” (Alcohol concentration is also known as BAC, or blood alcohol content.)
Under Texas DWI laws, individuals 21 years old or older who fall into these categories can be charged with DWI, which is a Class B misdemeanor. But if their BAC is 0.15 percent or higher, the charge becomes a Class A misdemeanor, which is worse.
The charge can also be elevated if controlled substances (illegal drugs such as cocaine) were involved.
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