Citation

Burns M. Transp. Res. Circular 2000; (E-C020): F1-F22.

Copyright

(Copyright © 2000, U.S. National Academy of Sciences Transportation Research Board)

DOI

unavailable

PMID

unavailable

Abstract

The Standardized Field Sobriety Test (SFST) battery includes three tests: horizontal gaze nystagmus (HGN), walk and turn, and one-leg stand. Following the 1970s research that identified these "best" tests, a training curriculum was developed by the National Highway Traffic Safety Administration (NHTSA). Officers in 50 states now have been trained under NHTSA guidelines with the SFSTs, which have been revalidated for 0.08 percent blood alcohol concentration. In data obtained during recent field studies with officers trained and experienced with the test battery, arrest decisions were found to be more than 90 percent correct. Defense attorneys vigorously oppose the admissibility of HGN testimony in driving under the influence trials, and courts in 38 states have considered admissibility and related issues. The rulings are mixed but largely favorable. The SFSTs remain an important tool for alcohol enforcement.