On 103 mi of single track, handling 10 scheduled trains daily, Chicago, Rock Island and Pacific installed station-to-station automatic block, improvement being staggered intermediates to eliminate station overlaps; signals are searchlight type with single filament lamps normally fed from a-c supply and lighted continuously.
Simplified automatic block for light traffic
Ry Age
Railway Age ; 130 , n 16
1951
2 pages
Article (Journal)
English
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