
The old native American trail that is now called Broadway runs the length of Manhattan. A derive of Broadway can be found here (download free)
"The sudden change of ambiance in a street within the space of a few meters; the evident division of a city into zones of distinct psychic atmospheres" Guy Dubord
“The contemporary city is an assemblage: fractured parts of the traditional walking city, districts of modernist reform, and jumbles of late-capitalist consumer experiences” Ben Jacks on the Derive