How Crash Reports and Dashcam Video Shape a Car Accident Claim
@johnathanzchj170
November 13, 2026 · 3 min read
The evidence in a car crash claim starts to scatter within hours. Vehicles get towed and repaired, video gets recorded over and witnesses become hard to reach. An auto accident lawyer usually looks first at the police report, photos, video and the data stored in the vehicles. Here is how each source fits into a claim.
The crash report
Officers who respond to a crash usually prepare a crash report, often called a police report. It typically lists the drivers and vehicles involved, with insurance details for each, and it often includes a diagram, a short narrative and any citations. In many states, drivers must also report crashes involving injury, death or property https://mylesevcf442.oakridgedigest.com/posts/how-uninsured-motorist-coverage-pip-and-medpay-work-after-a-car-crash damage above a set dollar amount. Copies are usually available from the agency that responded, whether that is a city police department, a sheriff's office or the state highway patrol, often for a small fee.
A crash report is influential in insurance claims, but it is not the final word on fault. Rules on using an officer's opinions at trial vary by state. If the report contains a factual error, such as a wrong plate number, the agency may accept a request for a correction or a supplement. A car accident lawyer will compare the report with the photos and statements.
Photos and dashcam footage
Dashcam footage can capture the seconds before a crash better than a witness can. Keep the original file with its timestamp, instead of a phone recording of the screen, and make a backup copy. Nearby businesses, buses and traffic cameras may have recorded the crash too, though many systems record over footage within days or weeks. Photos taken at the scene show vehicle positions, debris, skid marks and road signs, while photos of injuries taken over several weeks can document healing.
The event data recorder
Many passenger vehicles have an event data recorder (EDR). NHTSA describes an EDR as a device that records technical vehicle and occupant information for a brief period, seconds rather than minutes, surrounding a crash. Depending on the vehicle, the data may include speed and brake application as well as seat belt use. NHTSA's rule in 49 CFR Part 563 sets requirements for EDRs in light vehicles that have them. Under the Driver Privacy Act of 2015, EDR data generally belongs to the vehicle owner or lessee, and others may access it only in limited situations, such as with the owner's consent or a court order.
EDR data can be lost when a car is repaired or sold for salvage. Insurers often move a total loss vehicle to a salvage auction quickly, so a car accident attorney may send a preservation letter asking the insurer or tow yard to hold the vehicle until the data can be downloaded.
Witnesses and medical records
Witnesses with no stake in the claim often carry weight. Their names and phone numbers should be collected at the scene if it is safe to do so. Medical records connect the injuries to the crash, and gaps in treatment are often used by insurers to dispute a claim. A simple file with the claim number and a log of every call with the adjuster makes later questions easier to answer. A short journal of pain levels and missed work, written while the details are fresh, can also help. This is general information rather than legal advice, and it does not predict the result of any claim.