Overview

• The collision occurred at about 10:42 a.m. Wednesday on the northbound Edens Expressway just north of Dundee Road in Northbrook, involving five vehicles.
• Illinois State Police confirmed that at least one person was injured, though details on the severity of injuries have not been released.
• All northbound lanes of Interstate 94 were closed following the crash, with no estimated reopening time provided.
• Troopers are conducting a preliminary investigation to determine what led to the collision, as cause remains unknown.
• This latest shutdown compounds a recent pattern of multi-vehicle accidents on Chicago’s expressways that have repeatedly snarled commuter traffic