Grade crossing signals; Federal, State and Dominion activities; question of interconnecting highway grade crossing signals where two or more parallel railroads are involved and distance between railroads which would necessitate more than one pair of signals; operation of highway crossing protective devices at crossing where train stops on operating circuit and does not approach crossing in single continuous move.
Committee VIII -- Highway grade crossings protection
Assn Am Railroads -- Advance Reports (Signal Sec)
Association of American Railroads -- Meeting ; 1941 Signals and signaling
Association of American Railroads -- Advance Reports (Signal Section) ; 38 , n 1 ; p 233-237
1941
5 pages
Conference paper
English
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Committee VIII -- Highway grade crossing protection
Engineering Index Backfile | 1938
Committee VIII -- Highway grade crossing protection
Engineering Index Backfile | 1950
Committee VIII -- Highway grade crossing protection
Engineering Index Backfile | 1946
Committee VIII -- Highway grade crossing protection
Engineering Index Backfile | 1948
Committee VIII -- Highway grade crossing protection
Engineering Index Backfile | 1938