![file photo of police sirens](https://media.nbcchicago.com/2019/09/shutterstock_1063856306.jpg?quality=85&strip=all&crop=0px%2C0px%2C0px%2C0px&resize=320%2C180)
Southbound lanes on Illinois 394 are closed between Interstate 80 and Glenwood-Dyer Road as Illinois State Police investigate a shooting, authorities confirmed Monday.
According to authorities, the shooting occurred in the southbound lanes of the roadway near Glenwood-Dyer Road. Traffic is at a standstill between that location and Thornton-Lansing road, with traffic backed all the way up past the Interstate 80/94 interchange.
Traffic is being diverted off the roadway at Interstate 80, according to state police. It is unclear when the lanes will be allowed to reopen.