An Illinois State Police cruiser was involved in an accident on the Dan Ryan Freeway causing traffic issues on the roadway.
The accident happened nearly 83rd Street, with the cruiser still on the shoulder at 4 p.m., officials said.
The on-ramp to the Dan Ryan entrance was closed following the crash, and stop-and-go traffic piled up to 95e Street, according to Total Traffic.
Traffic jams are also reported on the Bishop Ford Highway, with traffic jams from the Dan Ryan entrance ramp to the Stony Island feeder ramp.
Illinois State Police have yet to confirm details of what led to the crash and an investigation is still ongoing.
We’ll update this story with more details as they become available.