From the Illinois State Police:
Interstate 74 Eastbound at mile marker 172 is currently backed up with traffic due to a two vehicle property damage crash. District 10 units are currently on the scene.
At this time traffic is backed up 2-3 miles due to the crash and is being re-directed to use the left lane around the crash scene.
Please be alert, use caution, expect delays and take an alternate route if possible for the time being.