A fatal accident closed two lanes of I-78 East at Route 309 in Upper Saucon Township Friday afternoon.
Jason Binder, 40, of Pen Argyl, was pronounced dead at the scene, according to the Lehigh County coroner's office.
The accident occurred shortly after 2:30 p.m., police said.
The right lane of I-78 east remained open, but traffic was backed up for miles. The remaining two lanes were closed for about two hours.
State Police are still investigating the accident.