While MADD continues to praise the efficacy of DUI roadblocks (aka "sobriety checkpoints"), most experts have come to recognize that they are simply ineffective at apprehending drunk drivers.  See Do DUI  Roadblocks Work? and Do DUI Roadblocks Work? (Part II).  But as I’ve written in earlier posts, local government has awakened to the fact that they are very effective at one [...]

Read the complete post at http://www.duiblog.com/2009/07/13/dui-roadblock-1131-stops-114-tickets-0-dui-arrests/