Driving while under the influence of alcohol is illegal in every state in the United States. Each state has its own laws, including penalties and the blood alcohol content (BAC) levels that will not be tolerated. Zero tolerance laws in many states do not allow teenage drivers to have even a trace of detectable alcohol in their systems. A DUI or DWI charge can lead to the loss of a driver's license, jail time, fines, community service or a host of other consequences. Understanding the laws and penalties associated with drunk driving can help you to avoid a violation or to proceed accordingly if a violation has already been issued. Here, you will find a wealth of information on drunk driving that will help you make informed decisions.