DUI Laws

Below you will find links to summaries of drunk driving (DUI, DWI or OUI) laws in all 50 states and the District of Columbia, including state-specific resources on license reinstatement, ignition interlock devices and related matters. A link to each state's DUI statute also is included (see "Comparing State DUI Laws" for a side-by-side comparison of state laws).

Learn About DUI Laws

Comparing State DUI Laws
A side-by-side comparison of drunk driving laws, including blood-alcohol limits, in all 50 states (plus the District of Columbia).
State-by-State DUI Penalties
Overview of drunk driving penalties, including license suspensions and the use of ignition interlock devices, in all 50 states (plus the District of Columbia).
Dram Shop Laws
Explanation of laws that hold bars and liquor stores liable for injuries caused by their intoxicated customers.

Per Se DUI Laws
The meaning of "per se" intoxication and how state laws determine impairment by various substances.
Underage DUI: Zero Tolerance
Primer on how DUI laws and penalties differ for underage drinkers arrested for drunk driving.

DUI Laws Articles