Interstate 81 Northbound will be closed Friday evening at the Pine Grove exit.
According to PennDOT, the highway will be closed at 7:00pm Friday at the Pine Grove Exit (Mile Marker 100) and will be detoured while a disabled tractor trailer is removed.
Traffic will be detoured to Route 443 through Pine Grove then back onto the Interstate at the Ravine Exit (Mile Marker 104).
Work is expected to be completed by midnight and the Interstate will reopen.