UPDATE: I-81 North reopens in Montgomery County after wreck

By Heather Butterworth - Digital Content Producer
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MONTGOMERY COUNTY, Va. - UPDATE

Both lanes are now open and traffic is flowing again. 

ORIGINAL STORY 

A crash is blocking a stretch of I-81 North in Montgomery County, causing a backup Friday morning. 

All northbound lanes are closed at mile marker 120, which is close to the Route 11 Christiansburg exit. 

There is a 2-mile backup, as of 6:15 a.m. 

Emergency crews are on the scene. 

Check back for updates. 

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