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Art and Design Faculty Publications

Urban morphology

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Full-Text Articles in Art and Design

Measuring The Scale, Density And Directness Of American Cities,, Dawn Haynie Jan 2017

Measuring The Scale, Density And Directness Of American Cities,, Dawn Haynie

Art and Design Faculty Publications

Cities, planning departments, and design firms are becoming more interested in promoting measures to increase the connectivity of street networks. As a result, new design guidelines have been recommended, regulations have been adopted, and yet, a clear, comprehensive understanding is still lacking for the existing environments we seek to change. This research documents the measures of 584,561 road segments and 173,511 blocks from 4,321 local areas across 24 of the most populated American cities. It also provides a means for assessing the measures of existing conditions in the American city – their central tendency and variability, relative to ...


Inter And Intra Buffer Variability: A Case Study Using Scale, Dawn Haynie Jan 2015

Inter And Intra Buffer Variability: A Case Study Using Scale, Dawn Haynie

Art and Design Faculty Publications

terms of their structural street properties, measures of scale or density, and proximity to the metropolitan center (Cervero and Gorham, 1995, Crane and Crepeau, 1998, French and Scoppa, 2007, Handy et al., 2003, Jacobs, 1993, Peponis et al., 2007, Southworth and Owens, 1993); yet beyond the established and distinctive structures of these neighborhoods, few have analyzed, in depth, the variability in their measures. This study randomly samples 4,321 localities from the 24 largest American metropolitan areas and describes a method using the measures of length and area to evaluate the variability both between and within these localities. Calculated as ...


Atlanta: A Morphological History, Dawn Haynie, John Peponis Jan 2009

Atlanta: A Morphological History, Dawn Haynie, John Peponis

Art and Design Faculty Publications

In this paper we report an analysis of 118 urban areas sampled from the 12 largest metropolitan regions in the US. We deal with familiar measures of block size, street density, intersection density and distance between intersections. We also introduce two new variables, Reach and Directional Distance. Reach is the aggregate street length that can be accessed from the midpoint of each road segment subject to a limitation of distance. Directional distance is the average number of direction changes needed in order to access all the spaces within reach. We provide parametric definitions of these variables and implement their computation ...