What is the legal Blood Alcohol Concentration (BAC) limit for drivers over the age of 21 in South Carolina?
In South Carolina, the legal Blood Alcohol Concentration (BAC) limit for drivers over the age of 21 is 0.08%. This limit is set to help prevent impaired driving, which poses a significant risk of causing accidents and endangering lives. Ingesting alcohol reduces a driver's ability to operate a vehicle safely by impairing judgment and slowing reaction times.
See the exact questions that will be on the 2026 South Carolina DMV exam.
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