MONTGOMERY COUNTY, Va. – UPDATE
This crash has been cleared, according to VDOT.
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ORIGINAL STORY
Drivers heading north on I-81 in Montgomery County can expect delays due to a crash, according to VDOT.
Officials say the crash happened at mile marker 125.5.
The north left shoulder and left lane are closed, authorities say.
As of 11:17 a.m., traffic was backed up for around four miles.