Depends where you are. In Canada the legal limit is 80 milligrams of alcohol in 100mL of blood. Or 0.08.
Added: Please also note, that while a BAC level above that rate means you are presumed too drunk to drive, a BAC level below that does not necessarily mean that you are not too intoxicated to drive. If you appear to have other signs of intoxication, you may be charged with DUI even if your BAC is below the "legal limit".
The legal BAC limit in California for a class a adult driver's license is? | Unanswered
Yes, it is legal to have both a Texas ID and a driver's license.
You will need a lawyer for a current, legal and correct answer.
yes
Yes, it is perfectly legal to own a vehicle if you have no license to drive it and have a licensed driver chauffeur you around.
I don't think that's legal.
Yes.
Yes, it is legal for a person to possess both a Texas driver's license and a Texas identification card.
Yes, it is legal for an individual to possess both a Texas driver's license and a Texas ID card.
No, it is not legal to drive without a valid driver's license.
No, you do not have to be a US citizen to obtain a driver's license in most states. Non-citizens who are legal residents or have valid visas can typically apply for a driver's license.
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