Troopers: 77-year-old woman killed in Union County wreck

An elderly Matthews woman was killed in single-vehicle wreck near Forest Lawn, according to the North Carolina State Highway Patrol. 

The crash happened in the 7000 block of Potter Road. Troopers said the woman Shirley Jeanette Barnes, 77, was traveling northbound and went off the road and struck a mailbox. The vehicle then continued to travel right and hit a tree. 

Troopers said the car continued off the road and then struck a stone wall, which caused the vehicle to overturn several times. Barnes was not wearing a seatbelt and was ejected from the car, SHP said. 

Barnes was pronounced dead on scene. The official caused of the wreck remains under investigation.