Practice question

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

  1. 0.05%
  2. 0.08%
  3. 0.10%
  4. 0.12%

Answer: B — 0.08%

In Texas, the legal blood alcohol concentration (BAC) limit for drivers aged 21 and over is 0.08%. This standard is aligned with national guidelines and is aimed at reducing alcohol-related traffic incidents. A BAC of 0.08% indicates that a person has reached a level of impairment that can severely affect their ability to operate a vehicle safely. At or above this BAC limit, individuals face legal consequences, including potential arrests for driving while intoxicated (DWI). Understanding this regulation is crucial for all drivers, as it emphasizes the importance of making responsible choices when consuming alcohol, particularly regarding operating a vehicle afterwards. Other stated BAC limits, such as 0.05%, 0.10%, and 0.12%, are not applicable for standard drivers aged 21 and older in Texas. While some jurisdictions may have zero-tolerance laws for younger drivers or specific penalties for higher BAC limits, the universally recognized limit for legal adults in Texas is firmly set at 0.08%.

Practice more: Texas DMV Written Driving Practice Test →