ROANOKE COUNTY, Va. – UPDATE:
The crash has been cleared off the roadway, according to VDOT.
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ORIGINAL STORY:
Drivers on I-581 in Roanoke County can expect delays due to a tractor-trailer crash, according to VDOT.
Authorities said it happened at mile marker 4 in the southbound lanes.
As of 6:39 p.m., all southbound lanes were closed