2006 National Labor Day Impaired Driving Enforcement Crackdown:

The National Highway Traffic Safety Administrations 2006 Drunk Driving. Over the Limit. Under Arrest. Labor Day holiday campaign had three main components: 1) DWI enforcement, 2) public awareness efforts, and 3) evaluation. The campaign used the previously successful high visibility enforcement model. Eighteen nights of enforcement focused on apprehending intoxicated drivers.  Forty-eight States reported over 40,000 DWI arrests. National random sample telephone surveys conducted prior to and just after the campaign found that the media effort increased awareness but indicated no self-reported changes in drinking driving behavior.