Since 1930, Chicago and Alton has constructed four automatic interlocking plants at railroad grade crossings formerly protected by mechanical interlocking; plant at White Hall, Ill, satisfies every operating requirement and returns annually 71% of initial investment; three other installations completed in past 2 1/2 years.


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    Titel :

    Alton railroad demonstrates feasibility of automatic interlocking at complex grade crossings


    Weitere Titelangaben:

    Ry Signaling


    Erschienen in:

    Erscheinungsdatum :

    1932


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Gates at seven alton grade crossings

    Engineering Index Backfile | 1940


    Gates at seven alton grade crossings

    Engineering Index Backfile | 1940


    Interlocking and automatic signals on Alton

    Engineering Index Backfile | 1941


    Railroad grade crossings

    Webber, William O. | Engineering Index Backfile | 1895


    Railroad grade crossings

    Engineering Index Backfile | 1895