In most states, police departments keep track of DUIs that occur in their jurisdiction. This means that when someone gets arrested for drunk driving in their state, the arresting officer will report the incident to the local department. The local department then sends the information to the state where the arrest occurred.
If someone is charged with a crime, the officer will issue an summons requiring them to appear before a judge. At a hearing or trial, the judge or jury will decide whether or not to convict the defendant of the crime. If the judge or jury decides to find the defendant guilty, the judge will enter a judgment against the defendant. A conviction is considered final after the judge enters the judgment.
In addition to collecting data from each state, NHTSA also receives reports from law enforcement agencies across the country. These reports include information about arrests made by local police departments. This includes information about the number of people who were arrested for drunk driving, as well as the number of times those people were convicted.
If you live in one of these states, you might not be able to find out whether someone has been arrested for drunk driving. You will still be able to see how often someone was convicted of drunk driving, though.
In addition to the NHTSA site, there are also websites that allow you to search for state laws regarding DUI record sharing. These sites include:
What Happens After An Arrest? ♦DUI and the Interstate Driver License Compact