Field Sobriety Tests

New Hampshire Field Sobriety Tests Lawyers

field sobriety1NH Field Sobriety Tests – State troopers and local police officers are all trained at the NH Police Standards and Training Academy.

They are trained to administer several different field sobriety tests when they pull someone over for DUI/DWI.  The officers and troopers are trained to administer during a DUI stop three types of  Standardized Field Sobriety Tests.

The 3 SFSTs are:

1) HGN – Horizontal Gaze Nystagmus

2) 9-step walk and turn

3) One Leg Stand – OLS

If you were arrested for DUI, you probably had those 3 tests given to you in that order.  The HGN is the eye test.  With the HGN, the officer tries to see whether your eyeball starts to quiver before you move it all the way to one side.  If it does, the officer will mark it a failure and use it as probable cause to support an arrest for DUI.  The walk and turn and OLS tests are basically tests of balance and ability to follow instructions.  If the officer believes you have failed one or more of these tests, he or she will either arrest you on the spot, offer you another physical test, or offer you a preliminary breath test at the roadside.  If you fail twice, you will be arrested for DUI/DWI.

Of course, if you’ve been arrested after doing field sobriety tests, the officer will write in his report that you failed them.  We often disagree with the officer’s conclusion and analyze their report so we can use it to demonstrate that you were not impaired.  This is often where DUI trials are won.

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