CHICAGO (CBS) — A Wisconsin man was killed when two semi trucks crashed early Tuesday on I-55 near southwest suburban Bolingbrook.

A semi driven by 60-year-old William A. Hansen Jr. rear-ended another semi at 3:23 a.m. in the right northbound lane of I-55 near Route 53, according to Illinois State Police.

Hansen, of Oshkosh, Wisconsin, was pronounced dead at the scene at 4:44 a.m., according to police and the Will County coroner’s office.

The other semi driver, a 36-year-old Wheaton man, was taken to the hospital with injuries that were not thought to be life-threatening, police said. There were no passengers in either truck.

The state police Traffic Crash Reconstruction Unit is investigating.

(Source: Sun-Times Media Wire © Chicago Sun-Times 2016. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)