A rollover crash on the Tri-State Tollway in Lake Forest closed several southbound lanes on the expressway during rush hour Wednesday morning.
A semi rolled over on a vehicle on southbound Interstate 94 near Half Day Road prompting the closure of three lanes on the expressway.
By 6:30 a.m., only one left lane remained shut down but heavy traffic was reported in the area.
Illinois State Police said no injuries were reported in the crash and the cause remained under investigation.
It was not clear how long the lane closure would be in effect.