BOTETOURT COUNTY, Va. – UPDATE
The crash has been cleared, according to VODT.
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ORIGINAL STORY:
A tractor-trailer crash is causing delays on Interstate 81 in Botetourt County, according to VDOT.
Authorities said it happened at mile marker 152.9 on I-81 south.
As of 7:07 p.m., traffic was backed up for about four miles.