During redecking of bridge across Sacramento River, signals to stop traffic were used instead of flagmen thus saving 45% of cost; operator was placed in position so that he could see traffic from both directions and to control movement of traffic with minimum amount of lost time.


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    Title :

    Traffic signals


    Additional title:

    Calif Highways Pub Works


    Contributors:

    Published in:

    Publication date :

    1949


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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