The roadwork was running more than an hour-and-a-half behind schedule, with barricades not picked up until around 6:20 a.m., resulting in only a single lane of traffic starting at Roosevelt Road.
The lane closures have created long backups, with 35 to 45 minute travel times from 95th to downtown.
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IDOT said it may be until 6:30 a.m. before crews are able to clear the road from the barricades from the roadwork.
The roadwork is being done as part of the Jane Byrne Interchange reconstruction project.