Illinois State Police said a vehicle was struck by gunfire on the outbound lanes of I-55 ar Route 83 near Willowbrook.
The shooting happened at about 7:37 a.m.
No injuries were reported.
I-55 southbound from Route 83 to Cass Avenue was shut down as of 10:13 a.m.
All lanes were reopened by 11 a.m.
No further information was available.