Welcome to the Illinois State Police Online Crash Reporting Application. You can file your car crash report with the Illinois DOT.You should immediately forward a copy of your crash report to the auto insurance company. Agency crash report number; First and last name of the driver; Day the crash occurred; Location of the crash; County where the crash occurred. If you were recently involved in a traffic crash and need to access the Driver Information to complete an Illinois Motorist Report please click the link below. The officer must submit the official report to the Illinois Department of Transportation within 10 days of the accident. Illinois Automobile Accident Law Firm. Generally, it's essential to complete and submit this report within 10 days of the accident. Dirksen Parkway, Room 128W, Springfield, IL 62764, 217-782-4518. The crash must be reported to the Illinois DOT within 10 days after the incident occurs.