Lanes on westbound Interstate 88 in DuPage County were shut down for hours during the busy Tuesday morning commute as police worked to investigate a two-car crash that left at least one person killed and another injured.
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The crash, between two passenger vehicles, occurred just before 5 a.m. in the westbound lanes of I-88 in Lisle, according to the Illinois State Police.
Troopers are handling a fatal crash on I-88 westbound at IL Route 53 near Lisle.
— Illinois State Police Troop 3 (@ILStatePoliceT3) May 20, 2025
All westbound lanes are shut down and traffic is being diverted to I-355.
‼️Please avoid the area, seek an alternate route. pic.twitter.com/pGmTm2vLEc
One person was pronounced dead on the scene, ISP said. A second person was transported to a nearby hospital with injuries.
Westbound lanes on I-88 near the crash were closed through the duration of rush hour, with traffic being diverted to I-355. Traffic cameras showed backups and delays already forming, with rain pounding down on the roads.

NBC 5 Traffic Reporter Kye Martin warned the crash was causing big impacts for commuters heading to Naperville, Aurora and areas nearby.
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"For the reverse commute in the western suburbs, this will cause major delays," Martin said.
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Martin added that drivers could consider a reroute, taking Ogden westbound to Naperville Road.
All lanes were reopened around 8:10 a.m., ISP said.
No further details were available. This is a developing news story.