DWI Detection and Standardized Field Sobriety Testing Administrative Procedures Walking Stage

Session 8 - Concepts and Principles of the Standardized Field Sobriety Tests (SFST)

DWI Detection and Standardized Field Sobriety Testing

Administrative Procedures

Walking Stage

• Nine heel to toe steps, turn, nine heel to

toe steps

• Turn procedures:

• Turn around on line

• Several small steps

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Demonstrations and Instructions for the Walking Stage

Explain the test requirements by giving instructions, accompanied by demonstrations:

When I tell you to start, take nine heel to toe steps on the line, turn, and take nine heel

to toe steps down the line.

When you turn, keep the front (lead) foot on the line, and turn by taking a series of small

steps with the other foot, like this.

While you are walking, keep your arms at your sides, watch your feet at all times, and

count your steps out loud.

Once you start walking, don't stop until you have completed the test.

Do you understand the instructions? (Make sure subject understands.)

Instruct the person to begin the test.

Session 8 - Concepts and Principles of the Standardized Field Sobriety Tests (SFST)

DWI Detection and Standardized Field Sobriety Testing

Administrative Procedures

(Cont.)

While walking:

• Keep watching feet

• Arms down at sides

• Count steps out loud

• Don’t stop during walk

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While walking:

• Keep watching feet

• Arms down at sides

• Count steps out loud

• Don’t stop during walk

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HS 178 R5/13 44 of 62 Source: DWI Detection and

Standardized Field

Sobriety Testing

March 2013 Edition