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Accessibility in Practice: 20-Minute City as a Sustainability Planning Goal

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School of Sustainable Engineering and the Built Environment, Tempe, AZ 85281, USA
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School of Geographical Sciences and Urban Planning, Arizona State University, Tempe, AZ 85287, USA
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Author to whom correspondence should be addressed.
Sustainability 2020, 12(1), 129; https://doi.org/10.3390/su12010129
Received: 6 November 2019 / Revised: 12 December 2019 / Accepted: 17 December 2019 / Published: 23 December 2019
(This article belongs to the Section Sustainable Transportation)
Cities can enhance their sustainability planning by prioritizing accessibility as a performance metric for transportation planning. In this context, accessibility measures the ease of reaching opportunities and captures more characteristics of sustainable cities than the more conventionally used mobility metrics, focusing on the overall ability to move and generally recommending faster speeds to overcome distance. However, how cities can prioritize accessibility in planning is understudied. This research presents a case of Tempe, Arizona, putting accessibility into practice through a 20-min lens. Using a 20-min threshold for all modes, the city aims to promote travel for daily activities that is less reliant on private autos. The analysis presented here documents the challenges that planners face when planning for accessibility. The challenges range from technical points to decisions that need to be made about the quality of the built environment. The analysis also shows that Tempe, which is a classically suburban city of wide roads and single-family homes that was built around the automobile, is highly accessible by a 20-min metric by bicycling, walking and transit. These results suggest that planners focus on street network improvements that prioritize accessibility as part of a sustainability strategy. View Full-Text
Keywords: 20-minuty city; accessibility; sustainable cities; transit; bicycle; pedestrian planning 20-minuty city; accessibility; sustainable cities; transit; bicycle; pedestrian planning
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MDPI and ACS Style

Capasso Da Silva, D.; King, D.A.; Lemar, S. Accessibility in Practice: 20-Minute City as a Sustainability Planning Goal. Sustainability 2020, 12, 129. https://doi.org/10.3390/su12010129

AMA Style

Capasso Da Silva D, King DA, Lemar S. Accessibility in Practice: 20-Minute City as a Sustainability Planning Goal. Sustainability. 2020; 12(1):129. https://doi.org/10.3390/su12010129

Chicago/Turabian Style

Capasso Da Silva, Denise, David A. King, and Shea Lemar. 2020. "Accessibility in Practice: 20-Minute City as a Sustainability Planning Goal" Sustainability 12, no. 1: 129. https://doi.org/10.3390/su12010129

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