San Diego DUI arrests are unique in that they can arise in a number of different ways. Amber alerts signs are now being used on San Diego freeways directing motorists to report other drivers they suspect of drinking and driving. A common scenario is the sobriety checkpoint, or DUI roadblock, where drivers are stopped and questioned as to whether they've been drinking. Involvement in a car accident where police are summoned, as any lawyer will tell you, is another instance of coming under suspicion for DUI and being subjected to sobriety testing. Another method of finding and arresting drunk drivers is aerial surveillance by a police helicopter in search of impaired motorists. The San Diego Police Department employs a specialized Task force, or DUI squad, who work closely with MADD (Mothers Against Drunk Driving) and other law enforcement agencies to increase the number of drunk driving arrests in the county. The San Diego Police DUI Task Force is trained to look for specific drunk driving patterns and behaviors associated with drunk driving. The City of San Diego, in compliance with federal and DUI activists' guidelines for penalization and deterrence of DUI, has no shortage of funding for this purpose.