A semi-trailer driver was shot on I-88 near York Friday afternoon and later died at the hospital, Illinois State Police confirmed.
Police were investigating near York at milepost 138.5, police said. One car and a red Volvo semi-truck were traveling eastbound about 4:05 p.m., police said. A man in the car shot "for unknown reasons" into the semi-truck driven by 43-year-old Eduardo Munoz, of Sunrise, Florida, police said.
The Oak Brook Fire Department arrived on the scene and took Munoz to Elmhurst Hospital where he later died, police said.
State police were looking for the car involved Friday night but did not have a description.
District 15 Illinois State Police was handling the investigation.