Traffic delays on I-81 in Wythe County due to disabled tractor trailer

WYTHE COUNTY, Va. (WDBJ7) A disabled vehicle is causing major backups on Interstate 81 in Wythe County.

An over-sized tractor trailer broke down near exit 86 earlier Thursday afternoon, closing the right lane on 81 Northbound.

Traffic is backed up around six miles to the Fort Chiswell exit.