UPDATE: Driver injured in vehicle fire in Montgomery County; lanes closed on Interstate 81
According to Virginia State Police, the driver of the tractor trailer was injured and has been pulled from the crash.
Police say the accident happened around 5:48 p.m. Wednesday.
As of 6:08 p.m., VDOT is reporting 2.5 miles of southbound backups.
A vehicle fire is causing delays on Interstate 81 North in Montgomery County.
According to the Virginia Department of Transportation, a vehicle fire has closed the northbound and southbound lanes on Interstate 81 near mile marker 114 in Montgomery County.
Drivers should seek an alternate route if headed that way.