Train delays reduced and track capacity of section of double track main line increased in installation of power switches and signals which are included in centralized traffic control for operation of trains in either direction on each of both main tracks on 11 mi between Montvale, Va, and Bonsack; project described.
Either-direction running on two-tracks on Norfolk and western
Ry Signaling Communications
Railway Signaling and Communications ; 42 , n 7
1949
Article (Journal)
English
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Both tracks both ways on Norfolk and Western
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