UPDATE 2:47 p.m.
Roanoke Co, VA - VDOT says the vehicle fire that caused a three mile backup near mile marker 142 northbound has been cleared.
Roanoke Co, VA - A vehicle fire is causing delays on Interstate 81 at mile marker 142 in Roanoke County.
According to The Virginia Department of Transportation's (VDOT) website, motorists can expect major delays because the north right lane is closed.
Traffic backups are approximately three miles.
Stay with ABC 13 and wset.com for further details.