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Where the Sidewalk Begins: Evaluating Pedestrian Infrastructure, Planning, & Equality Using GIS & Big Data.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Where the Sidewalk Begins: Evaluating Pedestrian Infrastructure, Planning, & Equality Using GIS & Big Data./
Author:	Coppola, Nicholas Anthony.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
Description:	142 p.
Notes:	Source: Dissertations Abstracts International, Volume: 83-03, Section: B.
Contained By:	Dissertations Abstracts International83-03B.
Subject:	Transportation. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28321816
ISBN:	9798544233862

Where the Sidewalk Begins: Evaluating Pedestrian Infrastructure, Planning, & Equality Using GIS & Big Data.
Coppola, Nicholas Anthony.

Where the Sidewalk Begins: Evaluating Pedestrian Infrastructure, Planning, & Equality Using GIS & Big Data. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 142 p.

Source: Dissertations Abstracts International, Volume: 83-03, Section: B.

Thesis (Ph.D.)--University of Colorado at Denver, 2021.

This item must not be sold to any third party vendors.

Academic literature has scant research on sidewalks, and some cities are lacking information to rectify an unprecedented backlog of deteriorating pedestrian infrastructure. A lack of data stymies efforts to understand sidewalks, how they may impact equity, and how cities can prioritize where to begin to rectify these issues. Remote sensing data are beginning to increase the prevalence and accuracy of sidewalk infrastructure data. In this dissertation, I leverage these advances in remote sensing to bridge the data and research gap on pedestrian infrastructure in cities.In Chapter 1, I analyze city-scale sidewalk availability, width, and land coverage calculated from spatial data from aerial imagery (planimetrics). In Chapter 2, I determine how much of a difference accounting for static obstructions makes when measuring the clear width of sidewalks in one city. In Chapter 3, I analyze planimetric sidewalk data to evaluate relationships between the provision of sidewalk infrastructure and the socioeconomic status and sociodemographics of residents across sixteen cities. In Chapter 4, I combine planimetric sidewalk data with vehicle and pedestrian trip big data to develop a methodology to prioritize city areas in need of pedestrian infrastructure attention.The Chapter 1 results show an overall deficiency of sidewalks and indicate that deriving sidewalk availability and average width are feasible at the city scale. The Chapter 2 results suggest a significant decrease in the average clear width of sidewalks when accounting for static obstructions. Moreover, not accounting for static obstructions could lead to a gross overestimation of seemingly adequate sidewalks and an unrealistic assessment of sidewalk infrastructure and pedestrian accessibility. The Chapter 3 results pertaining to socioeconomics show sidewalk availability had an inconsistent relationship to income, depending on the city. As for sociodemographics, non-white residents generally had wider sidewalks and greater availability. Lastly, Chapter 4 presents a feasible and efficient method to prioritize pedestrian infrastructure in a city. With a growing interest in active modes of transportation, and cities facing limited resources, this research helps bridge a much-needed gap in sidewalk infrastructure research and planning.

ISBN: 9798544233862Subjects--Topical Terms:

555912
Transportation.
Subjects--Index Terms:

GIS

Where the Sidewalk Begins: Evaluating Pedestrian Infrastructure, Planning, & Equality Using GIS & Big Data.
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500 $a Source: Dissertations Abstracts International, Volume: 83-03, Section: B.
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520 $a Academic literature has scant research on sidewalks, and some cities are lacking information to rectify an unprecedented backlog of deteriorating pedestrian infrastructure. A lack of data stymies efforts to understand sidewalks, how they may impact equity, and how cities can prioritize where to begin to rectify these issues. Remote sensing data are beginning to increase the prevalence and accuracy of sidewalk infrastructure data. In this dissertation, I leverage these advances in remote sensing to bridge the data and research gap on pedestrian infrastructure in cities.In Chapter 1, I analyze city-scale sidewalk availability, width, and land coverage calculated from spatial data from aerial imagery (planimetrics). In Chapter 2, I determine how much of a difference accounting for static obstructions makes when measuring the clear width of sidewalks in one city. In Chapter 3, I analyze planimetric sidewalk data to evaluate relationships between the provision of sidewalk infrastructure and the socioeconomic status and sociodemographics of residents across sixteen cities. In Chapter 4, I combine planimetric sidewalk data with vehicle and pedestrian trip big data to develop a methodology to prioritize city areas in need of pedestrian infrastructure attention.The Chapter 1 results show an overall deficiency of sidewalks and indicate that deriving sidewalk availability and average width are feasible at the city scale. The Chapter 2 results suggest a significant decrease in the average clear width of sidewalks when accounting for static obstructions. Moreover, not accounting for static obstructions could lead to a gross overestimation of seemingly adequate sidewalks and an unrealistic assessment of sidewalk infrastructure and pedestrian accessibility. The Chapter 3 results pertaining to socioeconomics show sidewalk availability had an inconsistent relationship to income, depending on the city. As for sociodemographics, non-white residents generally had wider sidewalks and greater availability. Lastly, Chapter 4 presents a feasible and efficient method to prioritize pedestrian infrastructure in a city. With a growing interest in active modes of transportation, and cities facing limited resources, this research helps bridge a much-needed gap in sidewalk infrastructure research and planning.
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