Washington Written Drivers Permit Practice Test 2025 – All-in-One Guide to Ace Your Permit Exam!

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

0.05%

0.08%

The legal blood alcohol concentration (BAC) limit for drivers over 21 in Washington is set at 0.08%. This limit aligns with national standards and reflects the threshold at which impairment can begin to affect a driver's ability to operate a vehicle safely. At 0.08% BAC, an individual’s reaction times, judgment, and coordination may be significantly affected, increasing the risk of accidents on the road.

Other BAC levels, such as 0.05%, do not meet the legal threshold for individuals over 21, though it is worth noting that driving at this level can still be dangerous and may lead to penalties if a driver is deemed impaired. Similarly, higher limits like 0.10% and 0.12% exceed the legal restriction and may result in severe legal consequences, including arrest and license suspension. Therefore, 0.08% serves as the established limit to promote safe driving practices and reduce alcohol-related incidents on the roads.

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0.10%

0.12%

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