Huntsville Police are still investigating what caused a fatal accident.
A two-car collision involving Ford Tauras and a Nissan occurred at the intersection of Pleasant Street and State Highway 75 Wednesday night.
Two people were in each vehicle, and police say the passenger in the Taurus died.
The name of the deceased is being withheld.
The three other victims were taken by helicopter to a hospital in Houston. Their identities and conditions have not been released.