Both southbound lanes of Interstate 81 in Shenandoah County are closed due to a tractor-trailer crash near exit 279 in Edinburg.
The Virginia Department of Transportation is reporting that the highway should remain closed for at least two more hours. There is currently a 10-mile backup.
VDOT has set up a detour exit 279. Drivers can use the off and on-ramp to cross Route 185 and rejoin the interstate.