09/05/2026
🚧 I-55 Overnight Closures at I-80 – Sept. 9 & 10
Overnight closures are needed to safely install new steel beams for the I-80 bridges over I-55.
Here’s what you need to know:
⛔️ Wednesday night, Sept. 9: Northbound I-55 will be CLOSED at I-80 from midnight to 5 a.m.
⛔️ Thursday night, Sept. 10: Southbound I-55 will be CLOSED at I-80 from midnight to 5 a.m.
⚠️ Before each full closure: Lane reductions begin at 8 p.m. on westbound I-80 and at 9 p.m. on I-55, so expect delays throughout the interchange.
All lanes and ramps will open by 6 a.m.
Detours will be posted. If you’re traveling through the area overnight, allow extra time and pay close attention to signs.