According to the Pennsylvania State Police at Jonestown, the crash occurred around 5:45am in the Southbound lanes of Interstate 81 near Milemark 105.3 in Tremont Township.
Police say Gerard Reichwein, 21, of Mount Carmel, operating a Jeep Wrangler and Eduardo Rodriguez, 51, of Scranton, operating a Freightliner were traveling south when Reichwein impacted the tractor trailer in the rear.
The Jeep Wrangler became stuck under the Freightliner's trailer. Rodgriguez was able to pull the tractor trailer to the side of the rode dragging the Wrangler with it and coming to a final stop near Milemark 105.0.
It took crews nearly an hour to extricate Reichwein from the vehicle where he was transported to the Hampton Inn near Pine Grove and flown to Hershey Medical Center with unknown injuries.
The Jeep Wrangler was heavily damaged. The Freightliner sustained minor damaged to the trailer and Rodriguez was no harmed.
Police say cited that Reichwein was following too closely.
Interstate 81 southbound was closed from the Tremont Exit to the Ravine Exit for nearly 2 hours.