Vehicle fire on I-81 is taken care of

MONTGOMERY COUNTY, Va. – (UPDATE 4:15 PM)

All lanes on 81 are now open and everything is under control. 

Motorist can expect delays on I-81, mile marker 129,  due to a vehicle fire. 

Virginia State police say the interstate is shutdown due to a truck that was hauling propane when the tanks started exploding. 

The left shoulder and left lane are closed. Traffic backups are approximately 3 miles and there are currently 2 miles of southbound congestion. 

Police don't know the caused the fire.