Not all incidents can be filed online. After a car crash, you need to get a copy of every document related to your accident, including your Hillsborough County accident report.Adjusting paperwork with our extensive and user-friendly PDF editor is easy. Self-Report By Mail. Customers can click here to download the Driver Report of a Traffic Crash. For motor vehicle accidents, individuals will want to click on the box labeled "Accident Report". You must fill in all information requested on the report. I am a party involved in the crash. ❑ I am the legal representative of. If the accident was minor and did not meet the requirements, then the driver can fill out a New Jersey Self-Reporting Crash form found on the state's website.