Which law reduced the blood alcohol content limit to 0.08?

Answer: B — TEA-21

The law that established the blood alcohol content (BAC) limit of 0.08 for drivers is the Transportation Equity Act for the 21st Century, commonly known as TEA-21. This legislation was significant in promoting safer roadway environments by encouraging states to adopt consistent BAC limits. The national standard of 0.08 was intended to reduce alcohol-related traffic accidents and fatalities. TEA-21 achieved this by integrating provisions that provided federal funding to states that implemented this BAC limit, reinforcing the importance of addressing drunk driving as a major public safety issue. This law played a crucial role in shaping policies aimed at reducing drunk driving incidents and promoting safer driving practices across the United States.