The phrase "after a motor vehicle accident" refers to an event that has occurred after someone has been involved in a car crash or other type of collision involving two or more vehicles. This can also include accidents involving bicycles, pedestrians, and other types of transportation. The phrase is often used by insurance companies, law enforcement officials, medical professionals, and others who may need to gather information about the accident in order to assess liability, provide treatment or assistance, or investigate the cause of the incident.