The NTSB recommends dropping that to a BAC level of .05.

[CroiDhubh]

We already have that as our limit here in Colorado.

.05-.079 BrAC - Driving While Ability Impaired (DWAI)
.08 - above BrAC - Driving Under the Influence (DUI)

For those under 21:
.02 - .049 "Baby DUI" - Class A traffic Infraction; second or subsequent violation is a Class 2 Misdemeanor

Yep. Wrote a few people for DWAI because I could smell the odor of an unknown alcoholic beverage on their breath during a traffic stop and they failed SFST. Sometimes the initial contact wasn't even for something I would have related to having alcohol in the blood stream, just poor driving.