Washington Written Drivers Permit Practice Test

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Prepare for the Washington Written Drivers Permit Exam with practice tests. Study with flashcards, multiple choice questions, explanations, and hints to get ready for your exam!

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What is the legal blood alcohol concentration (BAC) limit for drivers over 21 in most states?

0.10%
0.08%
0.05%
0.12%

The correct answer is: 0.08%

The legal blood alcohol concentration (BAC) limit for drivers over 21 in most states is 0.08%. This standard is widely recognized and enforced across the United States as the threshold above which drivers are considered to be operating a vehicle under the influence of alcohol. At this level, individuals are presumed to be impaired in their ability to drive safely and effectively. This regulation is in place to help ensure the safety of all road users by reducing the risks associated with impaired driving. It was established to address the dangers of alcohol consumption, as higher levels of BAC significantly increase the likelihood of accidents and impair cognitive and motor skills necessary for safe driving. Maintaining this established limit is crucial for public safety, and it reflects the legal acknowledgment of the effects that even moderate amounts of alcohol can have on driving ability.