At Moravia, Iowa, where Chicago, Milwaukee, St. Paul and Pacific Railroad crosses Wabash River, mechanical interlocking, including 14 working levers, has been replaced with automatic plant at cost of approximately $7792, savings effected annually in operating expenses being $4245.
Automatic interlocking on Wabash
Ry Signaling
Railway Signaling ; 28 , n 1, Part 1
1935
2 pages
Article (Journal)
English
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