Absolute permissive block signaling installed on 22 mi of single track between Burmis, Alberta and Crowsnest, mountainous territory serving Alberta Coal fields in Canada, has resulted in saving of train time and provided increased protection for all train movements.
Canadian pacific installs absolute permissive block
Ry Signaling
Railway Signaling ; 40 , n 1
1947
5 pages
Aufsatz (Zeitschrift)
Englisch
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