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.
Learn More on DUI Investigation Stage One
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.
Learn More on DUI Investigation Stage Two
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.
Learn More on DUI Investigation Stage Three
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.
Learn More on The Traffic Stop