Trains directed by signal indication in either direction on both tracks of busy double-track line; 13 1/2mi. double-track installation of General Railway Signal Co.'s centralized traffic control was placed in service between North Chelmsford, Mass., and Ayer; annual saving $37,847; general layout and traffic; track layout and signaling. (see also Ry. Signaling, vol. 22, no. 7, July 1929, pp. 248-251, 8 figs)


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    Title :

    The Boston and Maine installs centralized control to increase track capacity


    Additional title:

    Ry. Age


    Contributors:
    Casey, M.J. (author)

    Published in:

    Railway Age ; 86 , n 23


    Publication date :

    1929


    Size :

    3 pages


    Remarks:

    5 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





    Centralized traffic control on Boston and Maine

    Bacon, A.R. | Engineering Index Backfile | 1931


    Centralized traffic control on Boston and Maine

    Engineering Index Backfile | 1932


    Centralized traffic control on Boston and Maine

    Engineering Index Backfile | 1932


    Centralized traffic control on Boston and Maine

    Bacon, A.R. | Engineering Index Backfile | 1931