Four new interlockings are controlled from one pushbutton type route control interlocking machine at New Haven, Conn, which will also control five more interlockings within radius of 10 mi either side of New Haven, totaling 47 single switches, 58 crossovers, 70 home signals and 155 dwarf signals; traffic includes 50 freight trains, 70 through passenger trains, and 30 passenger trains.
New Haven consolidated control of nine interlocking layouts
Ry Signaling Communications
Railway Signaling and Communications ; 49 , n 3
1956
Aufsatz (Zeitschrift)
Englisch
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Control of four layouts consolidated in one interlocking
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Engineering Index Backfile | 1958
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Engineering Index Backfile | 1948