Simplified scheme of indications with traffic locking and 5 new interlockers eliminates written train orders, increasing safety and speed of operation. (See also Ry. Signaling, vol. 20, no. 4, Apr. 1927, pp. 133-138, 12 figs.)
C. and O. Completes three-track, color-light, either-direction signaling
Ry. Age
Railway Age ; 82 , n 16
1927
4 pages
7 Figs.
Article (Journal)
English
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C. and O. completes three-track, color-light, either-direction signaling
Engineering Index Backfile | 1927
|Rock Island increases track capacity by either-direction signaling
Engineering Index Backfile | 1928
|Erie installs either-direction signaling on seven miles of double track
Engineering Index Backfile | 1932
Illinois Central increased capacity of double track by either-direction signals
Engineering Index Backfile | 1928
B. And M. Installs either-direction signaling in hoosac tunnel
Engineering Index Backfile | 1929
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