What is the difference between DWI and DWAI in Colorado?

In Colorado, DWAI is short for “Driving While Ability Impaired.” DWAI is a lesser-known and generally less severe charge than a DUI. … This is not to be confused with a DWI, which stands for “Driving While Intoxicated” and is simply another name for a DUI. Colorado DUI laws are notoriously strict. Oct 12, 2015