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California Class C Permit Practice Test
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Passing target: 80% (32/40)
Safe & Responsible DrivingStandalone practice
For most drivers age 21 or older, at what BAC is it illegal to drive under the per-se limit?
Correct answer: 0.08% or higher.
Why
A 0.08% BAC is the general per-se limit for most drivers 21 or older; impairment can still make lower levels unlawful.
Verified against California Driver's Handbook · Blood alcohol concentration · p. 79
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