DUI checkpoints in Massachusetts are part of an ongoing campaign of efforts, conducted by law enforcement and the state government, against drunk driving. The intention is to reduce drunk driving accidents without conducting unwarranted searches, which would compromise citizens’ constitutional rights. Read on to learn more about what OUI/DUI checkpoints are and what’s expected of you if you’re ever stopped at one.

In Massachusetts, it is legal for law enforcement officers to station themselves at a checkpoint to examine drivers for signs of intoxication and impairment. These “mobile checkpoints” or “roadblocks” are part of broader efforts by law enforcement to deter drunk driving within Massachusetts borders. Sobriety checkpoints have been controversial for a long time, however, and not all states authorize their use.