Extensive changes and additions to passing tracks made by Pere Marquette on main line between Grand Rapids, Mich, and Plymouth are described: 8 sidings lengthened and 12 removed in 123 mi; centralized traffic control installed on 28 mi; automatic blocks on remaining sections respaced.
Pere Marquette improves passing tracks and signaling
Ry Age
Railway Age ; 112 , n 22
1942
4 pages
Article (Journal)
English
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