A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Federal and state activities; requisites for highway crossing signals. (Signal Sec.)
Federal and state activities; requisites for highway crossing signals. (Signal Sec.)
Committee XII -- Highway crossing protection
Am. Ry. Assn. -- Proc.
Rudd, A.H. (author)
1931
24 pages
Article (Journal)
English
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Committee XII -- Highway crossing protection
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