Signal system Mt. Morris, Mich., and Bridgeport, 20-mile section of single track between two lines of double track; signals, and power-switch machines for passing tracks, are controlled by train controller located in office at McGrew yard at North Flint; train movements directed by signal indication, and passing-track switches power operated, on 20 mi. of single track; train movements recorded automatically how machine is operated; roadside-control features of system. (See also Ry. Signaling vol. 21, no. 10, Oct. 1928 pp. 357-361, 6 figs)
Pere Marquette installs centralized control signal system
Ry. Age
Railway Age ; 85 , n 14
1928
4 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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