RELATED PRODUCTS MORE >>
-
Get Informed
Free Legal Information
Accidents & Injuries Bankruptcy Business Formation: LLCs & Corporations Criminal Law Debt Management Disability Law Divorce & Family Law DUI / DWI & Traffic Tickets Employment Law Foreclosure Immigration Landlords LGBT Law Nonprofits Patent, Copyright & Trademark Personal Finance Real Estate Small Business Small Claims Court & Lawsuits Social Security & Retirement Tenants Taxes Wills, Trusts & Probate -
Do It Yourself
Shop at Nolo
-
Find a Lawyer
Nolo's Lawyer Directory




The laws vary from state to state on how soon a driver's blood alcohol content, or BAC, must be measured after a drunk driving stop. While most states' DUI / DWI laws require that your BAC be measured "at the time of driving" -- which generally means within a reasonable amount of time after you're pulled over -- some states specify that your BAC must be measured within two or three hours after driving. You didn't mention the state in which you were arrested, but you can see the rules on this point for all 50 states in Nolo's DUI / DWI in Your State articles.