Overview
- The collision occurred around 3:46 a.m. at milepost 260 in the northbound lanes of I-55 in Romeoville, according to Illinois State Police.
- At least one person was pronounced dead at the scene, authorities said.
- At least one involved vehicle was a semi, and the crash left heavy debris and significant retaining-wall damage.
- All northbound lanes were closed during the rush hour, with drivers routed from U.S. 30 to Division Street to Weber Road to rejoin I-55.
- Traffic cameras and on-scene footage showed long backups with multiple emergency vehicles, and Romeoville police had not provided additional information.