Segments now owned by various short line operators, some segments abandoned.
Numerous industrial and belt lines existed in the Saginaw and Bay City area, which included various interlockings. Because of many historical inconsistencies in the naming of interlockings, and the early closure of some interlockings, it has not been possible to provide complete historic information. Included are confirmed interlockings with longer histories.
WOODSIDE (Bay City)
Mechanical interlocking installed 1890
Former crossing with Pere Marquette Bay City Subdivision.
HART STREET (West Bay City)
Tower listed with Grand Trunk Western
TOWER 12 (West Bay City)
Mechanical interlocking installed 1903
Closed 1929
Crossing and junction with Grand Trunk Western Saginaw Subdivision, Detroit & Mackinac, Pere Marquette Huron & Western Line, and New York Central Hecla Belt Line.
PINCONNING
Mechanical interlocking installed 1897
Former crossing, now a junction, with Detroit & Mackinac.