Road rules / 🇺🇸 alcohol

In most states, at what BAC is a driver 21 or older automatically considered impaired?

✓ ANSWER

0.08% — though you can be charged at lower levels if impaired

Most states set the per se limit at 0.08% for adults, but visible impairment below that can still bring charges.

All the options

  1. ✓0.08% — though you can be charged at lower levels if impaired
  2. ✗0.15%
  3. ✗0.20%
  4. ✗There is no numeric standard

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