“To generate exuberant diversity in a city's streets and districts four conditions are indispensable: 1. The district, and indeed as many of its internal parts as possible, must serve more than one primary function; preferably more than two... 2. Most blocks must be short; that is, streets and opportunities to turn corners must be frequent. 3. The district must mingle buildings that vary in age and condition, including a good proportion of old ones so that they vary in the economic yield they must produce. This mingling must be fairly close-grained. 4. There must be a sufficiently dense concentration of people, for whatever purposes they may be there...”
Quote by Jane Jacobs
Work
This influential work challenges conventional urban planning theories of the 1950s and 1960s, particularly those advocating for large-scale clearance, superblocks, and strict separation of uses. The author draws on close observation of city streets and neighborhoods to argue that vibrant, safe, and economically diverse urban areas arise from dense, mixed-use environments with short blocks and a constant flow of pedestrians. The book critiques the principles of figures like Le Corbusier and Ebenezer Howard, as well as the policies of urban renewal that devastated many existing communities. Instead, it proposes four essential generators of urban diversity and emphasizes the importance of local knowledge, informal social networks, and the intricate ballet of street life in maintaining a healthy city. The work remains a foundational text in urban studies, planning, and sociology. more
Author
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