MONTGOMERY COUNTY, Va. – UPDATE
This accident has been cleared as of 4:20 p.m., according to VDOT.
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ORIGINAL STORY
A multi-car pileup has caused traffic to back up for several miles on I-81 in Montgomery County, according to Virginia Department of Transportation.
The accident happened at mile marker 121 and has closed all north lanes as of 2:54 p.m.