The NHTSA standardized field sobriety testing (SFST) battery.
There are three (3) field sobriety tests that make up the National Highway Traffic Safety Administration (NHTSA) Standardized Field Sobriety Testing (SFST) battery:
- Horizontal Gaze Nystagmus Test (HGN)
- Walk-and-Turn Test (WAT)
- One-Leg-Stand Test (OLS)
Visit our Standardized Field Sobriety Testing page to learn more.