How Do DUI Checkpoints Work? In almost every city and town, law enforcement officers will sometimes set up DUI checkpoints. Also known as sobriety checkpoints, this law enforcement activity is most common during the summer and annual holidays like New Year’s Eve, July 4th, Labor Day and so on. The reason is that during this time period the public is more likely to drink and drive. The aim of a DUI checkpoint is to investigate and assess motorists on the road for drunk driving. The majority of the DUI checkpoints are set-up on public roads which also give law enforcement a […]