Field Sobriety Tests in Anaheim

Developed in the 1970s, the standardized field sobriety test (SFST) is a set of three tests performed by a patrol officer at a traffic stop to determine whether a person is impaired or intoxicated. The three tests include the walk-and-turn, the one-leg stand test, and the HGN or horizontal gaze nystagmus test.

These three tests are defined by the NHTSA (National Highway Traffic Safety Administration) in their Highway Safety Desk Book. The tests are scientifically validated and permissible as evidence in Anaheim courts.

Walk-and-turn test

You are asked to take nine steps touching heel-to-toe along a straight line after which you should turn around on one foot and take another nine steps.

The officer then looks for eight signs of impairment. hSome signs include: a lack of balance while being given instructions, stopping the walk to regain balance and not being able to move in a straight line.

One-leg stand tests

You are asked to stand on one foot with the other foot about 6-inches off the ground. You are then asked to count from one thousand in ones. (1001, 1002, 1003…). You are asked to hold the position for about 30 seconds.

The officer looks for 4 signs of impairment. Some signs include not being able to keep the foot up and swaying while balancing. There are obvious defenses to the results of this test.

HGN test

The horizontal gaze nystagmus test examines the involuntary repetitive and rapid movement of the eyeball as they eyes gaze from side to side. For the test, an officer will ask you to horizontally follow a small flashlight with your eyes.

The officer then looks for four signs of impairment. Some signs include the eyes being unable track smoothly as well as sustained and distinct jerking of the eyes.

If you are arrested after having taken these tests, you should immediately call an experienced DUI attorney to help you manage the situation. With some help and under the right circumstances, you may not be charged.

Call our office today to discuss your field sobriety test and potential DUI charges.

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