What is the blood alcohol content (BAC) limit for drivers over 21 in Pennsylvania?

In Pennsylvania, the legal blood alcohol content (BAC) limit for drivers who are 21 years or older is set at 0.08%. This threshold indicates the maximum level of alcohol in a person's bloodstream that is permissible for operating a vehicle. If a driver's BAC exceeds this limit, they are considered impaired and can be charged with DUI (Driving Under the Influence). This standard is consistent with many other states across the U.S., reflecting a consensus on the level of impairment associated with this BAC level. It helps to establish a clear legal boundary to enhance road safety and reduce alcohol-related accidents. A BAC of 0.08% suggests significant impairment in various driving abilities such as reaction time, coordination, and judgment, which can contribute to dangerous driving conditions.