Interstate 81 has reopened after a crash involving three tractor-trailers near Shippensburg.
All northbound lanes between Exit 24 for Route 696 and Exit 29 for Route 174 were reopened by 3:45 p.m., state police said.
Both northbound lanes had been closed after the trucks crashed at mile marker 28.2 in Southampton Township around 1:45 p.m. One lane reopened about an hour later.
The crash caused a two-mile backlog on the interstate.
No injuries were reported.