The IHB is jointly owned by Conrail Shared Assets Operations (51%) and Canadian Pacific Kansas City Limited (49%).

These shareholders trace their ownership stake in IHB to previous mergers and acquisitions in the railroad industry.

Also, the IHB's northern terminus is the Milwaukee District West Line in Franklin Park, Illinois, which is operated by Metra and CPKC.

[2] The Gibson Yard, located in Hammond, Indiana, is arguably the largest automobile traffic switching operation in the United States.

Other yards include Burnham, Calumet City, Alsip, Argo, LaGrange, Rose, Norpaul, Whiting, Michigan Avenue, and Lakefront.