Legal BAC Limit Over 21, Current DUI Laws, Testing Standards & State Penalties
The legal BAC limit for drivers over 21 is 0.08% across the United States, establishing the federal standard for driving under the influence. Some states impose enhanced penalties at 0.15% or 0.16%, while commercial drivers face a stricter 0.04% limit. California recently extended the 0.04% limit to all rideshare drivers including Uber and Lyft operators…









