An emergency communication panel is seen on a Chicago Transit Authority Blue Line train Tuesday, Sept. 3, 2024, in Forest Park, Ill. (AP Photo/Charles Rex Arbogast)
A Chicago Transit Authority Blue Line train car rides empty as it approaches the Forest Park, Ill., station Tuesday, Sept. 3, 2024, in Forest Park. (AP Photo/Charles Rex Arbogast)
A security camera and speaker hang from the ceiling of the Chicago Transit Authority Harlem Ave. station as a Blue Line train approaches the station heading West to the Forest Park, Ill., station, as two pedestrians walk toward the station, Tuesday, Sept. 3, 2024, in Forest Park, Ill. (AP Photo/Charles Rex Arbogast)
A pedestrian talks on his cell phone as he arrives at the Chicago Transit Authority Blue Line Harlem Ave., train station Tuesday, Sept. 3, 2024, in Forest Park, Ill. (AP Photo/Charles Rex Arbogast)
A cyclist enters a Chicago Transit Authority Blue Line train at the Forest Park., Ill., station headed East to Chicago, Tuesday, Sept. 3, 2024, in Forest Park. (AP Photo/Charles Rex Arbogast)
A security camera and speaker hang from the ceiling of the Chicago Transit Authority Harlem Ave. station over the rails that head West to Forest Park, Ill., station as two pedestrians walk toward the station, Tuesday, Sept. 3, 2024, in Forest Park, Ill. (AP Photo/Charles Rex Arbogast)
A security camera and speaker hang from the ceiling of the Chicago Transit Authority Harlem Ave. station as a Blue Line train enters the station heading West to the Forest Park, Ill., station as two pedestrians walk toward the station, Tuesday, Sept. 3, 2024, in Forest Park, Ill. (AP Photo/Charles Rex Arbogast)
Traffic on the Eisenhower Expressway passes the Chicago Transit Authority Blue Line Harlem Ave., train station Tuesday, Sept. 3, 2024, in Forest Park, Ill. (AP Photo/Charles Rex Arbogast)
A pedestrian waits on the Eastbound side of the Chicago Transit Authority Blue Line train station at the Harlem Ave., station as a train approaches Chicago, Tuesday, Sept. 3, 2024, in Forest Park, Ill. (AP Photo/Charles Rex Arbogast)
A Chicago Transit Authority Blue Line train waits at the Forest Park, Ill., train station for the eastern journey to downtown Chicago on Tuesday, Sept. 3, 2024, in Forest Park, Ill. (AP Photo/Charles Rex Arbogast)