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

In Illinois, the legal blood alcohol concentration (BAC) limit for drivers who are 21 years of age and older is set at 0.08%. This standard aligns with regulations across many states in the United States, where a BAC of 0.08% is generally recognized as the threshold for impaired driving. When a driver has a BAC at or above this limit, they are considered legally impaired, and can be subject to penalties such as fines, license suspension, and even imprisonment.

Understanding this limit is essential for safe driving and compliance with the law. It serves as a guideline for responsible drinking and driving behavior, emphasizing the importance of moderation and the risks associated with alcohol consumption while operating a vehicle.