Several smaller commuter operations once existed in the Chicago area, but were eventually discontinued. Many of these services were limited primarily to rush hours only.
New York Central - operated from La Salle Street Station to Elkhart, Indiana.
Chicago & Western Indiana - operated from Dearborn Station to Dolton, serving mostly local stops within Chicago's far south side.
Chicago & Eastern Illinois - operated from Dearborn Station to Crete and Momence.
Grand Trunk Western - operated from Dearborn Station to Harvey and Valparaiso, Indiana.
Chicago & North Western - several interesting outlying lines existed, until the Great Depression.
Santa Fe - operated from Dearborn Station to Joliet.
Chicago Terminal Transfer Railroad - Baltimore & Ohio predecessor operated from Grand Central Station to Chicago Heights.
Chicago Great Western - operated from Grand Central Station to DeKalb.
Pennsylvania Railroad - operated from Union Station to East Chicago, Indiana.
Pennsylvania Railroad - earlier commuter service operated from Union Station to Crown Point, Indiana.
Burlington Route - local service operated over two branches north of Aurora.
Michigan Central - local service operated to Joliet, connecting with main line trains near Gary IN.