The reported shooting was on the Dan Ryan at 75th Street just after 2 a.m., police said. Traffic was diverted off the roadway at 87th Street.
One person self-transported to University of Chicago Medical Center with non-life threatening injuries. He was riding in the back of a vehicle on the expressway when he was shot, police said.
The lanes were shut down just before 4:40 a.m. and reopened just before 7:55 a.m.
The ramps leading to northbound Interstate 94 at 76th Street, which includes the exit ramp to 76th Street; the exit ramp to 71st Street; the ramp from 75th Street to northbound I-94; and the ramp from 79th Street to northbound I-94 were also closed.
The Dan Ryan Expressway and the CTA Red Line were shut down Saturday after a police SWAT team was called for a report of an armed person on the tracks near the 79th Street Station.