Transportation-related activities represent approximately 20% of gross national product of United States; urban sprawl characterizing recent development of our cities has resulted largely from development of highly efficient highway transportation system; rail systems have been developed to high degree and, recently, new attention has been directed to this mode; air transport has evolved from struggling fledgling to major industry; nonetheless, highway, rail, and air transportation are all facing difficult problems; some of major areas of activity relating to each of these modes are reviewed.


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    Titel :

    Status of transportation


    Weitere Titelangaben:

    IEEE -- Proc


    Beteiligte:
    Seifert, W.W. (Autor:in)

    Kongress:

    1968


    Erschienen in:

    Erscheinungsdatum :

    1968


    Format / Umfang :

    11 pages


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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