All 50 states have now set .08% blood alcohol concentration (BAC) as the legal limit for driving under the influence (DUI) or driving while impaired (DWI). For commercial drivers, a BAC of .04% can result in a DUI or DWI conviction nationwide. For those under 21 years old, there is a zero tolerance limit―even the smallest amount of alcohol is grounds for a DUI or DWI arrest.Should you ever find yourself faced with a DUI or DWI arrest, your first step should be to hire the services of a DUI or DWI attorney. DUI attorneys and DWI lawyers are highly trained in the DUI and DWI laws of your state, and often they can lessen your fines or penalties. Beware of offers such as a free drug and alcohol test—nothing related to DUIs is free, except for maybe time spent in prison.Being convicted of driving under the influence can also impact your life in ways you may not be aware of, including loss of employment, prevention of employment in certain jobs, higher insurance rates, serious financial setbacks, personal and family embarrassment, and having that conviction on your driving records for years―if not forever.All states but Utah define driving…show more content… It was to blame for 29% of motor vehicle fatalities in 2015, according to the latest data from the National Highway Traffic Safety Administration. It claims roughly 10,000 lives per year. And it costs Americans more than $44 billion annually.There is good news, though. Drunk-driving fatalities dropped by 57% from 1982 to 2014, according to the NHTSA, as states have cracked down on the practice. As a result, motor vehicle crashes are no longer among America’s top 10 causes of death.But which states are taking the most aggressive stance toward “driving under the influence” (DUI) and “driving while intoxicated” (DWI)? To find out, WalletHub compared the drunk driving penalties in all 50 states and