How many people are arrested each year in Indiana for Drunk Driving?

Approximately 40,000 people are arrested each year in Indiana for Impaired Driving offenses. What does SFST stand for and what is it? SFST stands for Standardized Field Sobriety Testing. The test is comprised of a group of tests including the Horizontal Gaze Nystagmus, the Walk and Turn test and One Leg Stand test. SFST has an accuracy rate of 95%. What does having an individual walk in an abnormal fashion tell the officer about driving ability? What the walk and turn test determines short term memory loss, fine motor control, muscle coordination, balance and the ability to divide a persons attention. All of these are affected negatively by alcohol and drug use.  more