Washington MAST (Mandatory Alcohol Server Training) Practice Exam

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What is the legal blood alcohol concentration (BAC) limit for driving in Washington?

0.05%
0.08%
0.10%
0.15%

The correct answer is: 0.08%

The legal blood alcohol concentration (BAC) limit for driving in Washington is 0.08%. This standard is set to ensure that drivers maintain a level of cognitive and motor function necessary for safe driving. At a BAC of 0.08%, a person's ability to operate a vehicle is significantly impaired, leading to increased risks of accidents and injuries. In Washington, anyone found to be operating a motor vehicle with a BAC of 0.08% or higher can face criminal charges, including DUI (driving under the influence). This limit aligns with national standards, promoting consistency across states in addressing impaired driving. Recognizing this limit is crucial for both responsible alcohol consumption and ensuring public safety on the roads.