Pennsylvania Railroad in 1930, placed in service on 29-mi section of track between Ben Davis and Almeda, Ind, centralized traffic control system for train operation by signal indication; average freight-train speed increased 87% or from 16 to 30.6 mi per hr; gross t-mi per train-hour increased 89% or from 45,709 to 86,558 gross t-mi; net return on total investment, 28%.
Centralized traffic control
Am Ry Eng Assn -- Bul
American Railway Engineering Association -- Bulletin ; 34 , n 346
1932
9 pages
Article (Journal)
English
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Engineering Index Backfile | 1931
Engineering Index Backfile | 1932
|Engineering Index Backfile | 1931
Centralized traffic control for railroads
Engineering Index Backfile | 1949
|Pennsylvania installs centralized traffic control
Engineering Index Backfile | 1942