Individuals can complete their own crash report online when the crash meets specific criteria. The crash must be a single vehicle, property-damage-only crash.Complete a Crash Report Online. Welcome to the Illinois State Police Online Crash Reporting Application. The following information is intended to facilitate the reporting of claims presented to the City of Chicago. Users have several options to submit a Claim. Go to your local police station or sheriff's office to obtain an accident form. You can fill out an online form with the Illinois State Police. The only two ways to file an accident report are at the scene of the crime with a police officer or within 10 days to the Illinois State Police. The Illinois Vehicle Code states that police must file a report with the Illinois Department of Transportation within 10 days of a crash.