PALOS PARK, Cook County, Ill., Nov. 10, 2026 — A construction flagger was critically injured on Monday morning, November 9, when a vehicle struck a work zone on Archer Avenue near Parker Road in Palos Park. The driver was also taken to a hospital, though that person's condition has not been released.
The flagger, a 34-year-old, was rushed to a local hospital in critical condition. The crash happened just before 10 a.m. Police have not released the driver's condition or identity.
Palos Park police are investigating the crash, and Illinois State Police are conducting a separate crash reconstruction. Officers said they expected the roadway to reopen shortly after the scene was cleared. The department credited the Illinois State Police, the Lemont Police Department and the Cook County Sheriff's Police for assisting at the scene.
No cause has been released, and it is not known whether anyone involved has been cited or charged. The investigation by Palos Park police and the crash reconstruction by Illinois State Police are both ongoing.
We hope everyone who was hurt makes a full and speedy recovery.
Intersection Crashes in Illinois
This pedestrian crash happened at Archer Avenue and Parker Road in Palos Park, IL. Our Illinois intersections page covers intersection crashes across Illinois.
Frequently Asked Questions
Who has the right of way in a marked work zone or crosswalk?
Pedestrians and workers in a marked work zone or crosswalk generally have the right of way, and drivers are required to yield and obey posted signs, flaggers' signals, and reduced speed limits.
What can drivers do to avoid hitting a worker or pedestrian?
Slowing down in posted zones, avoiding distractions like phones, and watching for flaggers' hand signals are basic steps that reduce close calls in active work areas.
What injuries are common when a vehicle strikes a pedestrian or worker?
These crashes frequently cause broken bones, head trauma, and internal injuries, since a person on foot has no protection from the impact of a vehicle.
What usually causes crashes in road work zones?
Distracted driving, failure to slow down for posted limits, and drivers ignoring warning signs or flaggers are common factors cited in work-zone crashes.