Southern Railway has installed new electric interlocking, with panel type control machine that consolidates control of four layouts, as well as providing train operation by signal indication in either direction on each of two main tracks for 0.7 mi on bridge over Ohio River; existing semaphore type signals were replaced with color light signals.
Control of four layouts consolidated in one interlocking
Ry Signaling Communications
Railway Signaling and Communications ; 46 , n 2
1953
4 pages
Article (Journal)
English
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