Installation of traffic lights operated on vehicle-actuated system; system allows eight sets of operations to be performed; six of these cause red, amber or green signal to be given in either of two directions, while other two extend right-of-way interval to traffic approaching each intersection.


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    Title :

    Electro-matic system of traffic control in Trafalgar Square


    Additional title:

    Engineering


    Published in:

    Engineering ; 135 , n 3508


    Publication date :

    1933


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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