PUTNAM COUNTY, Ind.- An accident in Putnam County left one person dead on Wednesday.

The accident happened a quarter of a mile east of the Cloverdale exit on the eastbound lanes of Interstate 70.

Police said a fully loaded dump truck hit a guardrail and ended up in the median, on a railroad track. The driver, 35-year-old Donald Martin Jr., of Fort Worth, Texas, was pronounced dead at the scene.

Officials still are not sure how the truck ended up off the road.

“Witnesses have said that he was all over the road prior to.. They think he just got on at DR 243, got a load of gravel back at the gravel pit there,” Capt. Thomas Helmer of the Putnam County Sheriff’s Department, said.

Traffic was slowed while crews cleaned up the accident.