1. calumet412:

    The Dan Ryan Expressway, just before opening, 1961, Chicago.

    When completed, it was the largest and widest highway in the world.

    (Source: calumet412)

     

  2. calumet412:

    Graphic promotional poster by John Massey, 1965, Chicago.

    (Source: calumet412)

     

  3. calumet412:

    Landing at Meigs Field, 1969, Chicago.

    (Source: calumet412)