Design and construction; installation; train operation; systems of signaling in service; automatic block-signal system; automatic interlockings; train operation by signal indication; remote control; centralized traffic control; car retarders; highway grade-crossing protection; summary of economic results; etc.


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    Title :

    American railway signaling principles and practices -- Chapter III. Principles and economic phase of signaling


    Additional title:

    Am Ry Assn -- Signal Sec



    Publication date :

    1934


    Size :

    78 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English