A section of Interstate 81 north in Cumberland County is closed Thursday evening after a tractor-trailer jackknifed and struck another tractor-trailer, according to PennDOT.
The first call for the crash came in at 5:15 p.m. at mile marker 60 in Hampden Township, according to a PennDOT spokesperson.
At least 100 gallons of diesel fuel spilled as a result of the crash. State police requested a PennDOT sand truck to the area…