A collision between two vehicles closed northbound I-95 traffic in Martin County before sunrise Wednesday.
The front end of a Buick struck the rear of a Nissan, according to the Florida Highway Patrol. That caused the Buick to veer onto the grass shoulder where it collided with a tree.
The driver died at the scene, according to troopers.
The driver of the Nissan was not hurt.
FHP has not yet identified the driver who died.
This is a developing story and will be updated.