HARRISON STREET
Electric pneumatic interlocking installed 1925
Closed February, 1999
Tower controlled movements at south end of Union Station. The new Post Office was subsequently built over this station trackage.
LAKE STREET
Electric pneumatic interlocking installed 1925
Closed 2005
Tower controlled movements at north end of Union Station.
MORGAN STREET
Remote interlocking installed 1959, controlled from Lake Street
Outside north end of Union Station.