The crash occurred just before 2:30 a.m. at 18th Street in the southbound lanes of the Dan Ryan.
[Ads /]
Troopers said there was a minor traffic crash on the expressway between two cars and the victim got out of one of the vehicles involved.
LIVE TRAFFIC: Check out the latest conditions on our live traffic map
The victim, a woman, was then hit by another vehicle that was not involved in the original crash, according to ISP. The Cook County Medical Examiner's Office later identified her as 30-year-old Stephanie N. Johnson.
Police said the driver who struck Johnson did stop at the scene.
[Ads /]
The crash caused major delays during the morning rush hour. All four southbound lanes were closed down in the area for more than four hours, with traffic being diverted onto I-55. All lanes reopened just before 7 a.m.
It is unclear if any citations will be issued. Police said the crash is under investigation.