General details and cross sectional drawing of twin tube vehicular tunnel which goes under Squirrel Hill; details of reversible ventilation given; notes on drainage, paving, and lighting.


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    Title :

    $4,000,000 traffic tunnel planned for Pittsburgh


    Additional title:

    Roads Streets


    Published in:

    Publication date :

    1944


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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