Comparison of macadam and telford roads; with development of automobile traffic specifications have changed; enumeration of general requirements; ordinary surfacing of broken stone involves wear on vehicles and tires, and maintenance cost is high; bituminous treatment estimated to give total average saving of 3 centavos per mile; notes on road conditions on north-central highway, near Bogota, requiring frequent repairs; use of oil surface treatment is urged.


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    Titel :

    Powerful rival of railroads


    Weitere Titelangaben:

    La poderosa rival de linea ferra


    Beteiligte:
    Ortega, A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1929


    Format / Umfang :

    2 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Spanisch




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