Eight sidings lengthened and twelve removed in 123.6 mi of line between Grand Rapids, Mich, and Plymouth; centralized traffic control installed on 28 mi and automatic blocks respaced on remainder; running time of tonnage freight trains on heavy traffic days reduced about 45 min.
Improved passing track facilities and signaling on Pere Marquette
Ry Signaling
Railway Signaling ; 35 , n 6
1942
6 pages
Aufsatz (Zeitschrift)
Englisch
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