METX 88, one of Metra's F59PHI locomotives acquired from Amtrak Surfliner (and still wearing that road's silver and blue paint), leads an outbound commuter train through Elmwood Park, IL.
Chicago's huge commuter rail system incorporates routes previously operated by Chicago & Northwestern, Milwaukee Road, Burlington, Illinois Centrak, Rock Island, Gulf Mobile & Ohio and Wabash (N&W).