Term is used to denote system used on single lines to prevent an opposing train entering single-line stretch when this is already occupied, while it gives facilities for trains to follow each other on single line, under ordinary automatic-block protection.


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    Title :

    Absolute permissive block on the New Zealand railways


    Additional title:

    Ry. Engr


    Contributors:
    Proud, H.M. (author)

    Published in:

    Railway Engineer ; 48 , n 569


    Publication date :

    1927


    Size :

    2 pages


    Remarks:

    1 Fig.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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