All lanes have been reopened on Interstate 26 in Calhoun County.
According to Lance Cpl. Matt Southern of the S.C. Highway Patrol, troopers were on the scene of a collision involving a jack-knifed tractor-trailer.
The right lane was blocked.
The collision occurred at 4:33 p.m. At 6:10 p.m., the Highway Patrol reported all lanes are open again.
This story is developing.