All-relay plant includes four junctions, three railroad crossings and tunnel; all movements directed by signal indication; crossing gates; signal control circuits; signals and switches; street-railway crossing at south end of Wye; crossing with Canadian National; power supply; cables.
Cadorna interlocking on Canadian pacific at Quebec
Ry. Signaling
Railway Signaling ; 24 , n 7
1931
5 pages
9 Figs.
Aufsatz (Zeitschrift)
Englisch
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