Crashes at 215 Northbound and 239 Southbound had Interstate 81 Traffic backed up Friday afternoon. A crash involving tractor trailer blocked both #I81 southbound lanes in #Rockingham County near mile 239. And around the same time (1:30 PM) a 6-mile backup on #I81 northbound in @AugustaCountyVA due to tractor trailer crash near mile 215. Right lane closed. VDOT reports the truck will be removed after fuel tanks are pumped out.