A motorcycle and passenger vehicle collided on southbound Interstate 255 near Glen Carbon at about 2:57 p.m. on July 21, 2026, requiring an air medical evacuation, according to Illinois State Police.
One individual was transported to a hospital via ARCH medical helicopter, authorities said. The crash occurred at milepost 29, prompting traffic to be rerouted at Illinois 162.
The interstate has since reopened. Investigations into the incident are ongoing.
This is a developing story; updates will be provided as new information becomes available.