Building a Strong Personal Injury Case: Essential Evidence

Evidence requirements are explained by Nolo. Medical records are protected under HHS HIPAA regulations. Police reports are critical per NHTSA crash investigation standards.

Personal injury claims are won or lost on evidence. Insurance companies and juries require proof of what happened, who was at fault, and how seriously you were injured. This guide explains what evidence you need and how to preserve it.

Accident Scene Evidence

• Photos of all vehicles from multiple angles
• Photos of the accident scene, road conditions, and traffic controls
• Photos of debris, skid marks, and point of impact
• Weather and lighting conditions documented
• Police report with officer observations
• Witness contact information

Medical Evidence

Medical documentation forms the foundation of most personal injury claims:

• Emergency room records from initial treatment
• Diagnostic imaging (X-rays, CT scans, MRIs)
• Treatment notes from all providers
• Physical therapy records showing progress
• Prescription records
• Medical bills documenting all expenses
• Prognosis and future treatment needs from treating physicians

Financial Loss Documentation

• Pay stubs showing pre-injury earnings
• Employer verification of missed work
• Tax returns for self-employed income verification
• Documentation of reduced hours or job loss
• Receipts for out-of-pocket expenses
• Mileage logs for medical appointments

Evidence of Pain and Suffering

• Pain journal documenting daily symptoms
• Photos of visible injuries throughout healing
• Statements from family about lifestyle changes
• Documentation of activities you can no longer do
• Mental health treatment records if applicable

Preserving Digital Evidence

• Dashcam footage from your vehicle or others
• Security camera footage from nearby businesses
• Cell phone data showing defendant distraction
• Electronic records from vehicle event data recorders
• Social media posts by defendant (screenshot and preserve)