Not all states conduct DUI (driving under the influence) or DWI (driving while intoxicated) checkpoints. According to the , 38 states as well as the District of Columbia allow police to run such checkpoints.

Twelve states, including Michigan, Minnesota, Texas and Oregon, do not.

Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld. Follow Gregg on Twitter at or subscribe to . His e-mail address is .

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