Substantial increase in construction of signaling, especially centralized traffic control and automatically controlled highway-railroad grade crossing protection, as well as continued activity in construction of new types of interlocking reduction in number of car retarders installed in freight classification yards. (See also Ry Age v 120 n 1 Jan 5 1946 p 100-6)
Signal construction increased during 1945
Ry Signaling
Railway Signaling ; 39 , n 1
1946
7 pages
Article (Journal)
English
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Signal construction increased during 1945
Engineering Index Backfile | 1946
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|Signaling construction increased during 1936
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