MONTGOMERY COUNTY, Va. – UPDATE
Traffic is now backed up for 1.5 miles after a tractor-trailer accident on I-81N in Montgomery County.
A tractor-trailer accident has closed a lane on I-81 North in Montgomery County, according to VDOT.
According to Virginia State Police, they received the call for the accident around 6:24 a.m.
The accident happened near Christiansburg at mile marker 120.
As of 6:45 a.m., the left shoulder and left lane are blocked.