These are the stages of an arrest for Drunk Driving. It starts with a reason the motorist was pulled over by the police officer. The officer is looking for specific clues of impairment while speaking with the motorist. This chart shows those specific clues of impairment that would cause the officer to investigate further. During the investigation, the officer will use physical observations as well as field sobriety test results to determine if an arrest for DUI is appropriate. Lastly, this chart explains the penalties for failing or refusing a breathalyzer test as requested by the law enforcement officer.