Now owned by CSX.
Former junction with Peoria Branch, not included in Conrail 1976.
MARSHALL JCT.
Tower listed with New York Central
CASEY
Mechanical interlocking installed 1899
Closed 1940, replaced with CTC installation at Terre Haute Union Station
Interlocking at east end of a double track segment, and former crossing with Baltimore & Ohio Ohio River Division.
GREENUP
Mechanical interlocking installed 1896
Former crossing with Illinois Central Mattoon District, prior to elevation of Pennsylvania Railroad line.
EFFINGHAM
Mechanical interlocking installed 1900
Interlocking rebuilt 1911
Electric interlocking installed
Closed 1980's, remotely controlled by Illinois Central CTC dispatcher
Crossing with Illinois Central main line.
WEST EFFINGHAM
Mechanical interlocking installed around 1910
Closed 1942
West end of yard.
ALTAMONT
Mechanical interlocking installed 1900
Replaced with automatic interlocking 1958
Former crossing with Baltimore & Ohio Springfield Subdivision, abandoned 1985.
ST. ELMO
Tower listed with Chicago & Eastern Illinois
BROWNSTOWN
Mechanical interlocking installed 1926
Closed by 1940's, replaced with CTC installation at Vandalia tower
Interlocking at west end of a double track segment.
VANDALIA
Mechanical interlocking installed 1899
Replaced with automatic interlocking 1965
Former crossing with Illinois Central Clinton District, abandoned 1980's.
SMITHBORO
Mechanical interlocking installed 1899
Closed 1986, remotely controlled by CTC dispatcher
Crossing with Burlington Beardstown Subdivision.
PIERRON
Mechanical interlocking installed 1926
Closed 1942, replaced with CTC installation at Smithboro tower
Interlocking at east end of a double track segment.
COLLINSVILLE
Mechanical interlocking installed 1904
Little is known about this interlocking.
HN CABIN (A&S Crossing)
Tower listed with Baltimore & Ohio
WILLOWS
Electric interlocking installed 1901
Closed September 10, 2018
Crossing of Pennsylvania Railroad St. Louis Division and paralleling Baltimore & Ohio St. Louis Division, with Terminal Railroad Association Illinois Transfer Subdivision and paralleling Southern Railway V&C Line.
EADS
Non interlocked crossing
Former crossing with Baltimore & Ohio Freight House Line.
Q TOWER (East St. Louis)
Tower listed with Terminal Railroad Association
Terre Haute-Casey
Installed 1940, control machine in dispatcher's office at Terre Haute Union Station
Control machine actually operated by a separate leverman, due to Pennsylvania Railroad union agreement prohibiting a dispatcher from operating a control machine.
Brownstown-Vandalia
Installed by 1940's, control machine at Vandalia tower
Vandalia-Smithboro
Installed 1942, control machine at Smithboro tower