DUI Ignition Interlock Device

This description of the Divided Attention Tests posted by Miami, Florida DUI Lawyer / Attorney.*

Andrew Parks, your best resource for a Miami, Florida DUI Lawyer / Attorney, wants you to be well informed. Here is a basic description of the Divided Attention Tests:

The walk-and-turn test and one-leg stand test are "divided attention" tests that require a drunk driving suspect to listen to and follow instructions while performing simple physical movements. Impaired DUI suspects have difficulty with tasks requiring their attention to be divided between simple mental and physical exercises.

In the walk-and-turn test, the subject is directed to take nine steps, heel-to-toe, along a straight line. After taking the steps, the DUI suspect must turn on one foot and return in the same manner in the opposite direction. The examiner looks for seven indicators of impairment: if the DUI suspect cannot keep balance while listening to the instructions, begins before the instructions are finished, stops while walking to regain balance, does not touch heel-to-toe, uses arms to balance, loses balance while turning, or takes an incorrect number of steps. NHTSA research indicates that 68 percent of drunk driving suspects who exhibit two or more indicators in the performance of the test will have a BAC of 0.10 or greater. In the one-leg stand test, the drunk driving suspect is instructed to stand with one foot approximately six inches off the ground and count aloud by thousands (One thousand-one, one thousand-two, etc.) until told to put the foot down. The officer times the subject for a 30 seconds. The officer looks for four indicators of impairment, including swaying while balancing, using arms to balance, hopping to maintain balance, and putting the foot down. NHTSA research indicates that 65 percent of individuals who exhibit two or more such indicators in the performance of the test will have a BAC of 0.10 of greater. The effectiveness of SFST in court testimony and evidence depends upon the cumulative total of impairment indicators provided by the three-test battery.

* These are just excerpts of Miami, Florida law and are not meant as a complete resource. They are for informational purposes only.

Contact< Andrew Parks, Florida DUI lawyers, for expert advice on dealing with a zero tolerance arrest.

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