The crash took place about 2:30 a.m. on Interstate 55 near Harlem Avenue. After rear-ending the truck, the car rolled over, and its driver was ejected, police said.
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The individual was taken to a nearby hospital and pronounced deceased, state police said. It was not immediately clear if anyone else was injured in the incident.
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All lanes of outbound I-55 are being forced off at Central Avenue, and delays were ongoing in both directions as of about 5:20 a.m.
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It was not immediately clear when the roadway would reopen.
The Eisenhower, Ogden Avenue or Pershing Road can be used as alternate routes.