The Ohio State Highway Patrol is investigating a fatal traffic accident along westbound Interstate 76 in Milton Township.

Troopers say 44-year-old Erik O’Brien of Alliance died when his car ran into the back of a tractor-trailer just west of Lake Milton shortly after 4:30 p.m. Saturday.

The front of O’Brien’s Ford Fiesta was heavily damaged.

The driver of the tractor-trailer wasn’t injured.

I-76 was closed for a time while the scene was active.