From Illinois State Police:
Update as of 11:42 A secondary crash has blocked the open construction lane at MP 189 W/B on I-74 Please slow down and observe traffic ahead of you. The crash at the 185.5 has been cleared out of the roadway, and we are setting up a loop in the construction zone at MP 189 to free traffic, but a significant back up is still present
Earlier: As of 11:25 a.m. Friday, 8/10 all lanes of I-74 West @ MP 185.5 are blocked due to a property damage crash involving a passenger car and a semi. The roadway is expected to be partially open within the next 30 minutes. Please seek an alternative route for now.