Traffic signal employed in all installations is of distinctive type; progressive control is accomplished by means of one central impulse-sending controller; cycle of operation of system; purpose of coordinated system of control; cost for entire system as it now stands is approximately $30,000 per year.


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    Titel :

    The Chicago traffic signal system


    Weitere Titelangaben:

    Armour Engr


    Beteiligte:
    Shaffer, C.S. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1928


    Anmerkungen:

    4 Figs.


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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