Electric interlocking installed at Sapulpa, Okla, and automatic block signaling extended on 45 mi of single track from Sapulpa southward to Henryetta on route to Sherman, Tex.


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    Title :

    St. Louis-San Francisco installs interlocking and automatic block


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1941


    Size :

    5 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English