ROCKBRIDGE COUNTY, Va. – UPDATE
The wreck is now cleared.
A tractor-trailer wreck is causing a traffic issue on I-81 in Rockbridge County.
Expect northbound delays near mile marker 196, which is close to the Lexington exit.
As of 4:30 a.m., two lanes are blocked.
Traffic is backed up about a mile.
A wrecker is on scene and crews are working to clear the wreck.
Check back for updates.