Combination of interlockings, remote control and traffic locking improves safety, expedites operation of train and effects economies.
Signaling and interlocking on Indianapolis Union Railway
Ry Signaling
Railway Signaling ; 31 , n 11
1938
3 pages
Aufsatz (Zeitschrift)
Englisch
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Signaling and interlocking on Indianapolis Union Railway
Engineering Index Backfile | 1938
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Engineering Index Backfile | 1931
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Indianapolis Union Railroad Station
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