MONTGOMERY COUNTY, Va. – UPDATE
This crash has been cleared.
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ORIGINAL STORY
A tractor-trailer crash is causing delays on I-81 in Montgomery County, according to the Virginia Dept. of Transportation.
Authorities say the accident happened around mile marker 122.
As of 4:34 a.m., the northbound left shoulder and left lane are closed.
All northbound traffic is being diverted off of Exit 118.