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Field Sobriety Testing

Yuba City, CA DUI Attorney

Standardized Field Sobriety Testing is something that has been developed and approved by the National Highway Traffic Safety Administration. These are standardized test that they authorize for use in the event that an officer pulls a suspect over for drinking and driving. Chemical tests are a tool that can provide greater accuracy to determine if a suspect was drinking or not, but certain forms can be time consuming and officers are not always able to test every person. A SFST is a means for an officer to examine the outward effects of a person and if it appears that they have been altered by a high level of alcohol in their system. SFST include three different tests. These are the Walk-and-Turn, the One-Leg-Stand and the Horizontal Gaze Nystagmus test. They are not fully accurate and can only add to an officer formulating their opinion. Talk to a Yuba City lawyer if you have been arrested.

Walk-and-Turn

The Walk-and-Turn test requires that a person walk a certain distance and turn back. They will go a long a straight line, placing one foot in front of the other for nine steps. After they have taken these steps, they will then need to turn around and come back while following the same rules. This test may seem simple but for those that have alcohol in their system it can be challenging to balance or even remember the details of what they are supposed to do. An officer will be assessing if the suspect needs to use their arms to balance, steps off the line, does not walk heel to toe, miscounts their steps, makes a wrong turn or does not wait until instructed to start the test. It is believed that this test has an accuracy rate of 79 percent at pinpointing suspects that demonstrate two or more of these signs as having a blood alcohol content level at .08 or more.

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