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DUI Investigation and Standard Field Sobriety Tests
The standard field sobriety tests were developed in the late 1970’s. The tests were developed by the National Highway Traffic Safety Administration (“NHTSA”). Testing was developed to improve the fatality rate on highways due to drunk driving.
The original studies yielded approximately 16 tests, but the NHTSA reduced these to three primary tests. These are the horizontal gaze nystagmus, the walk and turn, and the one-legged stand. Additional tests may be used by police officers.