Elimination of approximately 18,000 train stops a year; semaphore-type home signals and smashboards; electrically-operated smashboards; normal operation of plant; how switching movements are handled; northbound switching moves; control of backup movements.
Automatic interlocking saves 50 stops a day
Ry. Age
Railway Age ; 84 , n 20
1928
3 pages
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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Simple interlocking saves many train stops
Engineering Index Backfile | 1951
Automatic interlocking eliminates train stops
Engineering Index Backfile | 1933
Automatic interlocker saves over 8000 train stops annually
Engineering Index Backfile | 1929
Engineering Index Backfile | 1957
Automatic interlocking on great northern saves $5,000 a year
Engineering Index Backfile | 1928