WYTHE COUNTY, Va. (WDBJ) - A tractor trailer crash Wednesday morning, October 15, closed all southbound lanes on Interstate 81 near mile marker 66.3 in Wythe County; traffic is being diverted, according the Wytheville Police Department.

Police say all southbound traffic is leaving the interstate onto 4th St. (Exit 70) in Wytheville.

Traffic is being routed to (in order):

South on 4th Street to Main Street

Right onto Main

Right onto 12th

Then follow Highway 11 back to the interstate

Officials say to expect heavy congestion and to avoid 4th St., Main St., and Highway 11, if possible.

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