Layman's Law

An everyday guide to Washington State DUI law

So you’d like to learn more about the law that governs Washington DUIs, without all the lawyer-speak? You’ve come to the right place. We’ve summarized all the pieces of information that the courts use to make their decisions, including statutes, opinions and cases. We include links to actual case law (which are located in the Library section) and other resources wherever it applies.

To get started choose a topic from the Current Issues menu on the right.

Other Resources

The Toolbox

Visit the Toolbox for resources such as courthouse directions, downloads, courtdate finder, a BAC calculator, links and a list of recent DUI rulings.

Go to the Toolbox»

The library

Raw information for an in-depth look at DUI law.

We have collected all of the Washington State DUI Statutes and Cases and organized them in one convenient location. Browse the cases by name and the statutes by RCW number or topic.

Go to the Library »