DUI Investigation Stage One

The National Highway of Traffic and Safety Administration (NHTSA) instructs officers to concentrate on gathering all relevant evidence that may suggest impairment but cautions against committing to an OVI arrest based upon their initial observations in Stage One.

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DUI Investigation Stage Two

Officers are advised that an initial interview with the driver, as well as prior observations from stage one, will form the basis for any decision to instruct a driver to step out of their vehicle.

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DUI Investigation Stage Three

In stage three of the police investigation, officers will order a driver out of the vehicle and administer standardized field sobriety testing. After the officer conducts these tests, he will make the decision whether he feels there is sufficient probable cause to arrest the driver for OVI.

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The Traffic Stop

Ohio Police Officers, Sheriff’s Deputies and State Highway Patrolmen must have probable cause or reasonable suspicion to conduct a traffic stop. If there is no traffic violation, there is very rarely an OVI.

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