By installing power switch machines and controlled signals at only six of previous 16 sidings and spaced 10.6 mi on 84 mi, between Edward, Kan, and Afton, Okla, St. Louis-San Francisco justifies centralized traffic control rather than only automatic block. (see also Ry Age v 129 n 14 Sept 30 1950 p 30-1)
C.T.C. on light traffic line
Ry Signaling Communications
Railway Signaling and Communication ; 43 , n 9
1950
3 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1950
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