The fire broke out in a vehicle heading northbound on I-81 somewhere between Exit 1: PA 163 – Mason Dixon Road and Exit 3: US 11 – Molly Pitcher Highway, according to PennDOT.
Rubbernecking caused some additional slowing in the southbound lanes, PennDOT states in a tweet.
No injuries have been reported at the time of publication.
The roadway appears to have reopened just before 1 p.m., according to PennDOT.
Click here to follow Daily Voice Adams and receive free news updates.