Drunk Driving Laws

Driving Under The Influence (DUI) – Driving While Intoxicated (DWI). All 50 states and the District of Columbia have per se laws defining it as a crime to drive with a blood alcohol concentration (BAC) at or above a proscribed level, currently 0.08 percent (0.08 g alcohol per 100 ml blood) . License suspension or revocation traditionally follows conviction for alcohol-impaired driving. Under a procedure called administrative license suspension, licenses are taken before conviction when a driver fails or refuses to take a chemical test. Because administrative license suspension laws are independent of criminal procedures and are invoked right after arrest, they’ve been found to be more effective than traditional post-conviction sanctions. Administrative license suspension laws are in place in 41 states and the District of Columbia.