Instructions:
Indicate whether law enforcement suspects alcohol use.
Definition:
Indicates whether the driver or non-motorist involved in the crash is suspected by law enforcement to have used alcohol.
Rationale:
Alcohol-related crashes remain a serious traffic safety problem. Identifying crashes in which alcohol may have been involved will help evaluate the effectiveness of programs to decrease the incidence of drunk driving or to identify problem areas.
| Code | Attribute | Definition |
| 1 | Yes, Alcohol Used | This attribute reflects the officer’s opinion of the use (presence) of alcohol, not a judgment of quantity. |
| 2 | No, Alcohol Not Used | This element reflects the officer’s opinion of the use (presence) of alcohol, not a judgment of quantity. |
| 99 | Unknown | Indicates the officer is unable to take a position as to involvement/presence of alcohol (officer still may order an evidential test). |
