Joliet, IL – Drivers traveling through the Joliet and Romeoville area are facing major delays Thursday morning after Interstate 55 northbound was shut down at Plainfield Road (U.S. Route 30) due to a fatal crash investigation.
According to Illinois State Police Troop 3, the crash occurred near milepost 260, close to Route 126, and resulted in at least one fatality. As of Thursday, all northbound lanes of I-55 remain closed at Plainfield Road while investigators work the scene.
Traffic is currently being rerouted off I-55 northbound onto Route 30, causing significant congestion on surrounding roads in Will County. Authorities are urging motorists traveling through the Joliet and Romeoville corridor, especially those heading toward the Chicago metro area, to seek alternate routes and allow for extra travel time.
The Joliet Police Department issued a traffic alert warning drivers to expect delays throughout the area while the investigation continues. No estimated time for reopening has been provided.
Illinois State Police have not yet released details regarding how the crash occurred or how many vehicles were involved. Additional information is expected once the investigation progresses.
Motorists are advised to monitor local traffic updates and navigation apps for real-time detour information. Drivers who live or work near Plainfield Road, Route 30, and I-55 should anticipate heavier-than-normal traffic until the roadway fully reopens.
Anyone with information related to the crash is encouraged to contact Illinois State Police.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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