How to File a Car Accident Lawsuit A car accident, also known by the term "traffic collision", is when one vehicle collides with or hits another vehicle. If you or someone else is responsible, you can sue. You may be liable for medical costs as well as lost wages or property damage. If you've been injured in a crash you should contact your insurance company for more information. Uninsured motorist coverage If you're involved in a car crash caused by an uninsured motorist, you should know what your rights are under your policy. Even even if th