He was struck in the buttocks and rushed to University of Chicago Medical Center.
A 35-year-old man was wounded in a drive-by Wednesday on the Dan Ryan Expressway in Fuller Park on the South Side.
He was driving about 2:15 a.m. when someone inside a silver-colored SUV fired shots at him near the 47th Street exit, Chicago police said.
He was struck in the buttocks and rushed to University of Chicago Medical Center, where he was treated and released, police said.
Illinois State Police, who are investigating, did not immediately release details about the shooting.