SENECA, Pennsylvania - The Venango County Coroner's Office has determined a Warren, Ohio man who died in a crash involving four semi-trucks Thursday died due to accidental blunt force trauma to his head and chest.

The man who died, 54-year-old Joseph Bieganowski, was traveling east on Interstate 80 when he struck the rear of another stopped truck.

That truck, driven by James Beaty, 64, of Nicktown, was shoved into a another truck driven by Calvin Tartt, 61, of Canton, Ohio.

Tartt's truck then hit a fourth truck driven by Alonzo Pipkin, 37, of Columbus, Ga.

The crash occurred at 6:30 p.m. in Clarion Township. Bieganowski was the only fatality.

The accident is still under investigation and toxicology results are pending.