Life In Rome, Italy

A street may assume the role of a town square for its regulars. Jane Jacobs, an economist and prominent urbanist, wrote extensively on the ways that interaction among the people who live and work on a particular street—"eyes on the street"—can reduce crime, encourage the exchange of ideas, and generally make the world a better place.
Identity
A street can often serve as the catalyst for the neighborhood's prosperity, culture and solidarity. New Orleans’ Bourbon Street is famous not only for its active nightlife but also for its role as the center of the city’s French Quarter. Similarly, the Bowery has at various times been New York City's main highway, theater district, red-light district, skid row, restaurant supply district, and the center of the nation's underground punk scene. Madison Avenue and Fleet Street are so strongly identified with their respective most famous types of commerce, that their names are sometimes applied to firms located elsewhere. Other streets mark divisions between neighborhoods of a city. For example, Yonge Street divides Toronto into east and west sides, and East Capitol Street divides Washington, D.C. into north and south.