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Sustainability 2016, 8(10), 1016;

Sustainable Mobility: Longitudinal Analysis of Built Environment on Transit Ridership

Department of Urban and Regional Planning, California State Polytechnic University-Pomona, Pomona, CA 91768, USA
Department of Urban and Regional Planning, Daegu University, Gyeongsan 38453, Korea
Department of Research and Analysis, Southern California Association of Governments, Los Angeles, CA 90017, USA
Department of Public Administration, Kyunghee University, Seoul 02447, Korea
Author to whom correspondence should be addressed.
Academic Editor: Marc A. Rosen
Received: 17 August 2016 / Revised: 14 September 2016 / Accepted: 29 September 2016 / Published: 14 October 2016
(This article belongs to the Section Economic, Business and Management Aspects of Sustainability)
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Given the concerns about urban mobility, traffic congestion, and greenhouse gas (GHG) emissions, extensive research has explored the relationship between the built environment and transit ridership. However, the nature of aggregation and the cross-sectional approach of the research rarely provide essential clues on the potential of a transit system as a sustainable mobility option. From the perspective of longitudinal sustainability, this paper develops regression models for rail transit stations in the Los Angeles Metro system. These models attempt to identify the socio-demographic characteristics and land use features influencing longitudinal transit ridership changes. Step-wise ordinary least square (OLS) regression models are used to identify factors that contribute to transit ridership changes. Those factors include the number of dwelling units, employment-oriented land uses such as office and commercial land uses, and land use balance. The models suggest a negative relationship between job and population balance with transit ridership change. They also raise a question regarding the 0.4 km radius commonly used in transit analysis. The models indicate that the 0.4 km radius is too small to capture the significant influence of the built environment on transit ridership. View Full-Text
Keywords: sustainable mobility; longitudinal analysis; micro-level analysis; land use; transit ridership sustainable mobility; longitudinal analysis; micro-level analysis; land use; transit ridership

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Kim, D.; Ahn, Y.; Choi, S.; Kim, K. Sustainable Mobility: Longitudinal Analysis of Built Environment on Transit Ridership. Sustainability 2016, 8, 1016.

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