The Bishop Ford Expressway was shut down Thursday afternoon as police investigated a shooting and traffic crash in which no one was hurt.
Officers collected 14 shell casings from the northbound lanes of I-94 near 103rd Street, according to Illinois State Police.
The shooting happened about 10:50 a.m., but police were not alerted of it until about 3:30 p.m., state police said.
One vehicle involved in a crash at that location was damaged by gunfire, but state police said its two occupants were not cooperating with police and would not offer details about the shooting.
A man in the vehicle told officers that he was involved in a crash with a white car that left the scene, state police said. No one was injured in the crash or the shooting.
Northbound lanes of I-94 for closed for an investigation between about 3:30 p.m. and 5:30 p.m., state police said.
State Police were investigating the crash.