How to File a Car Accident Lawsuit A car accident that is also known under the term "traffic collision" is when one vehicle collides with another vehicle. You may file a lawsuit if you or someone else are at fault. The damages you can claim could include medical expenses in addition to lost wages and even property damage. If you've been injured in an accident you should contact your insurance company for more information. Uninsured motorist coverage It is important to know the rights you have under your policy should you be involved in a car