Train-approach signals; development in highway-crossing protection; Federal and state activities. (See also - n 2 p 491-510)
Committee VIII -- Highway crossing protection
Assn Am Railroads -- Proc (Signal Sec)
Association of American Railroads -- Proceedings Signal Section ; 33 , n 2 ; p 304-308
1936
5 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Committee VIII -- Highway grade crossing protection
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