不断演变的郊区:衡量美国随时间演变的分区街道模式

IF 0.9 4区 艺术学 0 ARCHITECTURE
Dave Amos
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引用次数: 0

摘要

随着时间的推移,美国的街道格局也发生了变化,到 20 世纪 50 年代,街道格局已从方格网状演变为以弯道和环路为主。这种变化使得行人和骑自行车者穿越城市变得不那么方便。这项研究利用计算地理信息系统技术分析了分区层面的街道模式特征,以确定在过去的 70 年中,这种街道网络脱节的趋势是否仍在继续。结果显示,近几十年来,三叉路口和四叉路口的密度有所增加,但分区之间的连通性却没有增加。使用主动交通方式的人可能会发现他们附近的社区更适合步行,但仍然无法舒适地使用这些交通方式通勤。本研究还确定了北卡罗来纳州维克县的代表性小区,这些小区最能体现交叉口密度增加和街区变小的变化。几十年来,小区入口数量少的情况基本没有改变。这被认为是郊区街道网络设计为行人和骑自行车者所面临的关键挑战。总体而言,20 世纪 50 年代与 2010 年代的分区街道网络设计差异明显。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evolving suburbs: measuring US subdivision street patterns over time
Street patterns in the United States have changed through time, evolving from a gridiron pattern to one dominated by culs- de- sac and loops by the 1950s. This change has made cities less convenient for pedestrians and cyclists to traverse. This research uses computational GIS techniques to analyze street pattern characteristics at the subdivision level to determine whether this trend toward disconnected street networks has continued over the past 70 years. Results show that the densities of three- and four- way intersections have increased in recent decades, though connectivity between subdivisions has not. Active transportation users may find their immediate neighbourhood more walkable, but remain unable to commute comfortably using those modes. This research also identifies representative subdivisions from Wake County, North Carolina that best reflect this change toward increased intersection density and smaller blocks. The small numbers of entrances to subdivisions have remained largely unchanged for decades. This is identified as a crucial challenge facing suburban street network design for pedestrians and cyclists. Overall, the differences between subdivision street network design in the 1950s and the 2010s is noticeable.
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来源期刊
URBAN MORPHOLOGY
URBAN MORPHOLOGY ARCHITECTURE-
CiteScore
1.50
自引率
27.30%
发文量
34
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