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Block sizes and street length In a numbered grid system, adding an extra street can cause confusion Street width , or right of way (ROW), influences the amount of land that is devoted to streets, which becomes unavailable for development and therefore represents an opportunity cost .
City blocks are the space for buildings within the street pattern of a city, and form the basic unit of a city's urban fabric. City blocks may be subdivided into any number of smaller land lots usually in private ownership, though in some cases, it may be other forms of tenure. City blocks are usually built-up to varying degrees and thus form ...
Buildings, in the form of the block-plans. For Conzen, understanding the layering of these aspects and elements through history is the key to comprehending urban form. Followers of Conzen such as J.W.R. Whitehand have examined the ways in which such knowledge can be put to use in the management of historic and contemporary townscapes.
Theoretically and historically a city block can be built at high or low density, depending on the urban context and land value; central locations command much higher land prices than suburban. The costs for street infrastructure depend largely on four variables: street width (or Right of Way), street length, block width, and pavement width.
The figure-ground theory of urban design and urban morphology is based upon the use of figure ground studies. It relates the amount of "figure" to the amount of "ground" in a figure-ground diagram, and approaches urban design as a manipulation of that relationship, as well as being a manipulation of the geometric shapes within the diagram.
Urban morphology is used as a method of determining transformation processes of urban fabrics by which buildings (both residential and commercial), architects, streets and monuments act as elements of a multidimensional form in a dynamic relationship where built structures shape and are shaped by the open space around them.
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A movement of urban theorists and practitioners in the US, New Urbanism, has identified building typology as a key to defining more user-friendly places. In trying to preserve neighborhoods or building new ones, building types once again become the building blocks of the city, and may be codified in law as form-based codes.