Design and operating features of signal system which has aided traffic conditions in Pittsburgh; equipment used; modes of transportation used by patrons and employees of 48 selected stores in entering central business district; location of signal lights; cost of system.


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    Titel :

    Flexible progressive signal system aids traffic movement in downtown Pittsburgh


    Weitere Titelangaben:

    Elec. Ry. Jl


    Beteiligte:
    Stauffer, J.R. (Autor:in) / Marsh, B.W. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1930


    Format / Umfang :

    6 pages


    Anmerkungen:

    13 Figs.


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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