ROANOKE COUNTY, Va. – UPDATE
The crash has been cleared, according to VDOT.
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ORIGINAL STORY:
Another tractor-trailer crash is causing traffic backups on I-81 in Roanoke County, according to VDOT.
VDOT says it happened at mile marker 138.9 and drivers can expect delays.
As of 8:24 p.m., the north right lane and right shoulder were closed and traffic was backed up for about two miles.