Statistical data; ore interlocking, automatic block and car retarders but less crossing protection; centralized traffic control installations completed in 1942 listed in table; comparison of annual signaling construction.
Signaling construction in 1942
Ry Age
Railway Age ; 114 , n 1
1943
7 pages
Article (Journal)
English
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Engineering Index Backfile | 1943
|Signal construction increased in 1942
Engineering Index Backfile | 1943
Railroad T. and T. construction in 1942
Engineering Index Backfile | 1943
Railway construction makes large gain in 1942
Engineering Index Backfile | 1943
|Railroad T. and T. construction in 1942
Engineering Index Backfile | 1943