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Carsharing and Car Ownership at the Building Scale

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  • Joshua Engel-Yan
  • Dylan Passmore

Abstract

Problem, research strategy, and findings: A number of studies across the world have established the potential of carsharing to reduce vehicle ownership and parking demand at the citywide or neighborhood scale; however, few North American cities have formally adopted reduced minimum parking requirements for developments with carsharing services onsite (i.e., dedicated carshare vehicles). This reflects the lack of evidence regarding the impacts of carsharing on individual developments, as well as the implementation and enforcement challenges associated with adopting more flexible parking requirements. This article investigates the case for developing and implementing a reduction in the parking requirements for residential buildings that provide dedicated carshare vehicles. We use surveys of residents of buildings with and without dedicated carshare vehicles in Toronto, Canada, to develop a regression model of vehicle ownership. This analysis suggests that the presence of dedicated carshare vehicles is associated with reduced vehicle ownership and parking demand at the building level. This is the first study, to the authors' knowledge, that quantifies this relationship at the scale of individual developments. Takeaway for practice: This article provides recommendations for developing a parking reduction ratio for carsharing that is compatible with existing parking requirements. It also considers approaches to promote the long-term financial viability of dedicated carshare vehicles. Overall, this study provides a starting point for those considering if and how to relax parking requirements for developments with access to carsharing services and illustrates some of the challenges with adopting flexible parking requirements. Research support: The City of Toronto.

Suggested Citation

  • Joshua Engel-Yan & Dylan Passmore, 2013. "Carsharing and Car Ownership at the Building Scale," Journal of the American Planning Association, Taylor & Francis Journals, vol. 79(1), pages 82-91, January.
  • Handle: RePEc:taf:rjpaxx:v:79:y:2013:i:1:p:82-91
    DOI: 10.1080/01944363.2013.790588
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    Cited by:

    1. Namazu, Michiko & MacKenzie, Don & Zerriffi, Hisham & Dowlatabadi, Hadi, 2018. "Is carsharing for everyone? Understanding the diffusion of carsharing services," Transport Policy, Elsevier, vol. 63(C), pages 189-199.
    2. Ye, Jianhong & Wang, Daoge & Li, Xi & Axhausen, Kay W. & Jin, Yong, 2021. "Assessing one-way carsharing’s impacts on vehicle ownership: Evidence from Shanghai with an international comparison," Transportation Research Part A: Policy and Practice, Elsevier, vol. 150(C), pages 16-32.
    3. Muhammad Safdar & Arshad Jamal & Hassan M. Al-Ahmadi & Muhammad Tauhidur Rahman & Meshal Almoshaogeh, 2022. "Analysis of the Influential Factors towards Adoption of Car-Sharing: A Case Study of a Megacity in a Developing Country," Sustainability, MDPI, vol. 14(5), pages 1-25, February.
    4. Golalikhani, Masoud & Oliveira, Beatriz Brito & Carravilla, Maria Antónia & Oliveira, José Fernando & Antunes, António Pais, 2021. "Carsharing: A review of academic literature and business practices toward an integrated decision-support framework," Transportation Research Part E: Logistics and Transportation Review, Elsevier, vol. 149(C).
    5. Qi Te & Chen Lianghua, 0. "Carsharing: mitigation strategy for transport-related carbon footprint," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 25(5), pages 791-818.
    6. Qi Te & Chen Lianghua, 2020. "Carsharing: mitigation strategy for transport-related carbon footprint," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 25(5), pages 791-818, May.
    7. Sun, Lishan & Wang, Shunchao & Liu, Shuli & Yao, Liya & Luo, Wei & Shukla, Ashish, 2018. "A completive research on the feasibility and adaptation of shared transportation in mega-cities – A case study in Beijing," Applied Energy, Elsevier, vol. 230(C), pages 1014-1033.
    8. Taylor, Elizabeth Jean, 2020. "Parking policy: The politics and uneven use of residential parking space in Melbourne," Land Use Policy, Elsevier, vol. 91(C).
    9. Rüdiger Hahn & Felix Ostertag & Adrian Lehr & Marion Büttgen & Sabine Benoit, 2020. "“I like it, but I don't use it”: Impact of carsharing business models on usage intentions in the sharing economy," Business Strategy and the Environment, Wiley Blackwell, vol. 29(3), pages 1404-1418, March.
    10. Namazu, Michiko & Dowlatabadi, Hadi, 2018. "Vehicle ownership reduction: A comparison of one-way and two-way carsharing systems," Transport Policy, Elsevier, vol. 64(C), pages 38-50.
    11. Stefan Illgen & Michael Höck, 2020. "Establishing car sharing services in rural areas: a simulation-based fleet operations analysis," Transportation, Springer, vol. 47(2), pages 811-826, April.

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