20-mile backup on I-81 near Tennessee, Virginia border

ROANOKE, Va. – VDOT is asking drivers to avoid I-81 in southwestern Virginia and northeast Tennessee due to a 20-mile backup. 

Tractor-trailers getting stuck on inclines and accidents are the cause of the backup, and emergency response teams are working to get those tractor-trailers moving again. 

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VDOT says it is working with local law enforcement to clear stuck cars and get roads plowed.