Retarding barriers, red-green traffic type signals, and crossing bell, all controlled automatically by track circuits, were installed at Newmarket. N H, to replace gates; westerly barrier located 70 ft from nearest rail, while easterly barrier is 79 ft from rail; barriers each consist of two 10-ft sections, which extend entirely across 20-ft paved section of highway.


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    Title :

    Barriers on Boston and Maine


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1938


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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