Union Pacific's I-TAG4 hugs the Puget Sound heading southbound for an eventual terminus of Joliet, Illinois' Global 4 intermodal terminal.

UP 1983, the Western Pacific heritage unit, makes a Chicagoland appearance leading ITAG4 from Tacoma, WA, seen here rumbling over the Fox River in Geneva, IL on its way to a crew change in Proviso... (more)