Project includes three power switches and six spring switches with signals at passing tracks located properly for future changeover to centralized traffic control; equipment includes coded track circuits. (see also Ry Age v 111 n 19 Nov 8 1941 p 741-3 and 745)
Signaling on 47 miles of St. Louis Southwestern
Ry Signaling
Railway Signaling ; 34 , n 10
1941
Article (Journal)
English
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St. Louis-southwestern installs centralized traffic control
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