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

In Illinois, the legal blood alcohol concentration (BAC) limit for drivers is set at 0.08%. This means that a driver with a BAC of 0.08% or higher is considered legally impaired and can face charges for driving under the influence (DUI). This standard is in place to ensure road safety, as higher levels of alcohol impairment significantly increase the risk of accidents and unsafe driving behavior.

The BAC limit is based on extensive research demonstrating that at or above this level of alcohol in the bloodstream, individuals often have decreased coordination, impaired judgment, and reduced reaction times, making it unsafe for them to operate a motor vehicle. Keeping the limit at 0.08% helps maintain a uniform standard across states, promoting consistency in enforcement and awareness.