I’ve railed long and hard in past posts about the unconstitutionality of DUI roadblocks ("sobriety checkpoints") — as well as about their ineffectiveness and growing abuse.  See, e.g., Do Roadblocks Work?, Do Roadblocks Work? (Part II), DUI Logic: Roadblocks Effective Because They’re Ineffective, Police Using DUI Roadblocks Illegally, Purpose of DUI Roadblocks: "Shock and Awe" and DUI [...]

Read the complete post at http://www.duiblog.com/2008/12/09/another-dui-roadblock-3000-drivers-stopped-0-duis/