According to VDOT drivers should expect major delays from the accident.
As of 1 p.m. traffic was backed up around two miles going southbound on I-81 in at mile marker 160.
Only the south right shoulder remains closed.
A tractor trailer accident near mile marker 160 of Interstate 81 southbound is delaying traffic.
VDOT reports the right lane and right shoulder remain closed and drivers should expect delays.
Crews are also working to clear a separate accident in Botetourt County on Route 77 East.
The accident is near Mimosa Street (Rt. 626).
One lane is closed.