UPDATED: Traffic backed up on I-81 South in Pulaski County

Update - 9:00 p.m.:

The accident has been cleared, and all lanes are open once again.  Motorists should still anticipate delays as traffic starts flowing normally.

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Southbound traffic on Interstate 81 South in Pulaski County is backed up because a truck lost what it was carrying, according to Wytheville State Police.


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According to the Virginia Department of Transportation, the incident is at mile marker 99.

Traffic is backed up more than six miles.

Both lanes of southbound traffic are closed.

Check back later for more updates.