ROANOKE COUNTY, Va. – UPDATE:
The crash has been cleared, according to VDOT.
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ORIGINAL STORY:
Drivers heading south on I-81 in Roanoke County can expect delays due to a tractor-trailer crash, according to VDOT.
Authorities said the crash happened at mile marker 140.
As of 11:15 p.m., the south right shoulder was closed and traffic was backed up for nearly three miles.