CHICAGO'S INTERLOCKINGS

NEW YORK CENTRAL

Michigan Division

Now owned by Amtrak.

Was a double track line with single direction ABS, until installation of single track CTC between 1963 and 1971, described below.


PO/PORTER
Tower listed with main line

TENTH STREET (Michigan City)
Interlocking installed 1917
Closed early 1960's, remotely controlled from Michigan City Drawbridge

Crossing with South Shore Line. Until 1980, Monon Michigan City Branch paralleled on east side. Monon crossing of South Shore Line was not interlocked until controlled remotely.

Click for Google Map of Michigan City

MONON CROSSING (Michigan City)
Mechanical interlocking installed before 1895
Replaced with automatic interlocking around 1960's

Former crossing with Monon Michigan City Branch, abandoned 1980.

DRAWBRIDGE (Michigan City)
Bridge completed early 1900's
Electric interlocking installed before 1906
Closed May 3, 2004

Drawbridge over Trail Creek, now controlled remotely by dispatcher.

EAST END
Interlocking installed
Closed early 1960's

East end Niles Yard.

WEST HILL
Interlocking installed
Closed by 1960's

West end Niles Yard.


EARLY CTC INSTALLATIONS

Porter-Kalamazoo
Installed 1963, control machine in dispatcher's office at Jackson Yard
Completed 1971