What is the legal blood alcohol concentration (BAC) limit for drivers over 21 in Texas?

The legal blood alcohol concentration (BAC) limit for drivers over 21 in Texas is 0.08%. This limit is significant because it is the threshold established by both state law and federal guidelines to define driving under the influence of alcohol. When a driver's BAC reaches this level or exceeds it, they are considered legally impaired, which can result in severe penalties such as fines, license suspension, and even jail time.

This 0.08% limit is crucial for promoting road safety, as it helps prevent accidents caused by impaired driving. It ensures that drivers are operating their vehicles with a level of alertness and coordination necessary to maintain safety on the roads. Hence, adhering to this BAC limit is not just a legal obligation; it's also a critical aspect of responsible driving that contributes to the safety of all road users.