Using Geographical Data Analysis to Combat Impaired Driving Collisions in Marion County

Abstract

This issue brief describes how Indiana collision data were used to help direct traffic safety resources and ultimately respond to alcohol-impaired collisions in Marion County, Indiana. The brief provides an overview of impaired driving collisions in Indiana, and a description of collision data contained in the Indiana Automated Reporting Information Exchange System (ARIES). Also included is a synopsis of how the data were used to assist Marion County law enforcement agencies in conducting sobriety checkpoints.