I think the following typical news story speaks for itself:
DUI Checkpoint Nets 2 Citations, No Arrests Made
Costa Mesa, CA. June 27 - The Costa Mesa police ran a sobriety checkpoint Thursday at Santa Ana Avenue and 18th Street, citing two drivers and impounding two vehicles.One driver was cited for driving on a suspended license. The [...]
Read the complete post at http://www.duiblog.com/2008/07/01/another-day-on-the-frontlines/