The incident happened about at 9:30 p.m. Monday in Limestone County.
State Troopers say someone called the Limestone County Sheriff's office about a woman walking along Highway 251, east of Athens. Before officers could get there, another call came in about a pedestrian being hit by a car at McKee and Davis Cut Roads.
The victim has been identified as 47-year-old Wanda McKelzey. She was pronounced dead at the scene.
No charges are expected against the driver.