Standard Field Sobriety Test v. Field Sobriety Test
Field Sobriety Tests in Arizona are a battery of preliminary roadside test that police use to screen impaired drivers. The National Highway Traffic Safety Administration (NHTSA) has only three approved roadside tests referred to as Standard Field Sobriety Tests (SFST)s which are sponsored and developed to assist police offers in early detection of DUI and DWI suspects. Police officers must be formally trained and accredited to administer the tests. The three standardized tests are:
- The Horizontal Gaze Nystagmus (HGN)