Now owned by CSX and Iowa Interstate.
Was a double track line with single direction ABS, with segments receiving CTC as described below, until downgrading around 1980's.
Crossing with Burlington Montgomery & Streator Subdivision, now Illinois Railway.
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PERU
Mechanical interlocking installed 1889
Interlocking rebuilt 1909
Replaced with automatic interlocking 1932
Crossing with Burlington Streator & Zearing Subdivision, now Illinois Railway.
BUREAU
Electric interlocking installed 1937
Closed around 1980's
Junction with Peoria line.
COLONA
Mechanical interlocking installed 1890
Closed 1943, replaced with CTC installation in Rock Island
Crossing with Burlington Barstow Subdivision.
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Bridge over Illinois River, and connection with Toledo Peoria & Western.
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Rockdale-Morris
Installed 1943, control machine at MC Tower
Spring Valley-Bureau
Installed 1943, control machine at Bureau
Atkinson-Silvis
Installed 1943, control machine in dispatcher's office in Rock Island