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IDOT uses motor vehicle crash information for a number of critical services including, crash data analyses, safety program design, and roadway engineering design with the ultimate goal of preventing fatalities or injuries on Illinois roadways. For more information, please visit the Crash Reporting web page.

In addition to crash reporting, IDOT collects and compiles data for the Traffic and Pedestrian Stop Study. For more information on this study, please visit the Traffic and Pedestrian Stop Study (Reporting and Results) webpage.

IDOT also evaluates each highway safety project with enforcement components such as: Local Alcohol Program (LAP) and Sustained Traffic Enforcement Program (STEP) using crash and citation data provided by local police departments. For a complete list of forms used for Highway Safety Grants, please visit the Forms page on the Traffic Safety Grants website. For more information on the evaluations created from the submitted grant forms and crash reporting, please visit the Evaluations Website