Story Updated: Jan 1, 2011 at 7:01 PM PST

Authorities across the Tri Counties are keeping busy this weekend, making sure drivers aren't drunk behind the wheel.

Santa Maria Police Officers held a sobriety checkpoint last night on South Broadway Street. Over 800 cars passed through.
Despite it being New Year's Eve, only one driver was arrested for DUI.
10 vehicles were impounded they were all driven by illegal immigrants.

Santa Barbara Police Officers also tell KEY News the night was busy, but there were no major incidents to report.

http://www.keyt.com/news/local/A-Calm-N ... 56874.html