MONTGOMERY COUNTY, Va. – UPDATE
All lanes are now open and traffic is moving along normally.
Recommended Videos
ORIGINAL STORY
A tractor-trailer fire is causing a traffic issue on I-81 South in Montgomery County.
One southbound lane is closed at mile marker 113, which is near the Route 8 exit. There is heavy smoke and flames coming from the tractor-trailer.
Emergency crews are on the scene.
Check back for updates.