Control and monitoring of operations from central station by closed-circuit TV cameras installed at major ramp areas; installation of traffic control devices along reversible-direction section of Seattle Freeway, including motorized gates, barriers and changeable-message illuminated signs; transmission of operational signals by composite communication cables with coaxial core.


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    Title :

    Central control operates 12-lane freeway


    Additional title:

    Elec Construction Maintenance


    Contributors:

    Published in:

    Publication date :

    1966


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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