Peculiar street-traffic and highway railroad-crossing protection problem solved by use of automatically controlled "stop" and "go" signals effective for control of train movements, as well as vehicular traffic; design and operating features.


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    Title :

    Unique highway crossing protection in Seattle


    Additional title:

    Ry. Signaling


    Contributors:
    Tyler, R.F. (author)

    Published in:

    Publication date :

    1931


    Remarks:

    3 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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