Police are investigating a deadly tractor trailer crash in Clearfield County.

It happened just after 8 a.m. near MM 134 on I-80 in Cooper Township.

According to police, a 48-year-old driver from New Jersey, was traveling in the Westbound lane when he went off the road into a ditch. He continued driving in the ditch until he hit a sign and guard rails.

The truck then overturned onto the passenger side.

The driver was taken to the hospital where he was pronounced dead. His name has not been released.