Automatic block signaling arranged for either-direction operation on each of two tracks has recently been installed between HY tower, Hammond, Ind and Griffith; traffic direction lacking, improvements in inter-lockings and crossing signals at 10 highways included; track and signal plan; automatic block signaling equipment; interlocking changes.
Erie installs either-direction signaling on seven miles of double track
Ry Signaling
Railway Signaling ; 25 , n 3
1932
3 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1948
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Engineering Index Backfile | 1948
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