The cause of the crash is currently being investigated. TOWN OF CHENANGO (WBNG)-I-81 South was down to one lane after a tractor-trailer rollover early Tuesday morning. The lane is back open again. Stay with 12 News as this story further develops. Multiple crews responded to the scene including New York State Police, Broome County Sheriff’s Office along with fire and ambulance services. It happened near Exit 6 around 2 a.m. According to Broome County Dispatch, the driver of the tractor-trailer had to be taken to the hospital for injuries. No word on the extent of the injuries at this time.