A FedEx tractor trailer truck ran off I-77 and both northbound and southbound lanes are closed.
It happened at around 3 Friday afternoon. The truck is straddling the median and blocking all lanes of traffic.
The accident happened around mile marker 3, just north of Marietta.
WTAP has a reporter on scene.
For all the latest stay tuned to WTAP News and right here on thenewscenter.tv.