Now owned by Union Pacific.
Mostly a double track line with single direction ABS, with segments receiving CTC in later years.
Tower listed with Pennsylvania Railroad
Interlocking installed 1906
Between two parts of Dolton Yard.
Tower listed with Grand Trunk Western
Mechanical interlocking installed 1892
Electric interlocking installed 1901
Replaced with automatic interlocking around 1960
Former crossing with New York Central Joliet Branch, abandoned late 1970's.
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JAY TOWER (Chicago Heights)
Tower listed with Elgin Joliet & Eastern