One person was killed Saturday morning in a two-vehicle crash in the westbound lanes of Interstate 80 in Will County near Channahon, the Illinois State Police said.
Traffic lanes opened shortly before 7 p.m.
The vehicles had swerved to avoid an object in the road.
The driver of a semi was killed. Another victim was transported to a local hospital, but their condition was not immediately known.
A witness said there was a bicycle in the middle of the road and the drivers were trying to avoid it. He said the semi caught fire and several people attempted unsuccessfully to rescue him.