What is the term for driving while impaired by alcohol or drugs?

The term for driving while impaired by alcohol or drugs is "Driving under the influence" (DUI). This phrase specifically refers to the legal offense of operating a vehicle with a blood alcohol concentration that exceeds the legal limit or while under the effects of drugs that impair one's ability to drive safely. DUI laws are designed to prevent impaired driving, which poses significant risks not only to the driver but also to passengers, pedestrians, and other road users.

The focus of DUI is on the impairment of a driver’s faculties, whether due to alcohol consumption or the influence of drugs, making it a critical concept in traffic safety and law enforcement. Understanding this term is vital for recognizing the legal implications of impaired driving and the importance of responsible behaviors behind the wheel.