48°
Jovani Julio Diaz, 28, was pronounced dead at 5:45 a.m. after being struck by the tractor-trailer on the westbound side at mile marker 45.1 in Weisenberg Township around 5 a.m., the coroner's office said.
The manner of death was not revealed.
The incident caused hours-long road closures on I-78 westbound Thursday morning, authorities said.
The investigation was being led by Pennsylvania State Police Fogelsville Barracks and the Lehigh County coroner's office.
Click here to follow Daily Voice Lehigh and receive free news updates.
